{"id":59500,"date":"2024-02-28T06:00:42","date_gmt":"2024-02-28T06:00:42","guid":{"rendered":"https:\/\/medsname.com\/primox\/"},"modified":"2026-05-01T10:49:15","modified_gmt":"2026-05-01T10:49:15","slug":"primox","status":"publish","type":"product","link":"https:\/\/medsbase.com\/da\/primox\/","title":{"rendered":"Primox"},"content":{"rendered":"<p><!-- medsbase-tldr-answer --><\/p>\n<div style=\"background:#fff8e1;border-left:4px solid #f5a623;padding:18px 22px;margin:0 0 24px 0;border-radius:4px;\">\n<h3 class=\"wp-block-heading\" style=\"margin:0 0 8px 0;font-size:16px;font-weight:700;\">&#9889; Quick Answer &mdash; What is Primox?<\/h3>\n<p style=\"margin:0;\"><strong>Primox<\/strong> indeholder <strong>nortriptyline 25 mg<\/strong> fra en WHO-GMP-certificeret producent \u2014 en <strong>secondary-amine tricyclic antidepressant (TCA)<\/strong> &mdash; the active metabolite of amitriptyline and the best-tolerated tricyclic for chronic migraine and neuropathic pain; the usual step-across when amitriptyline side effects are too severe. Although FDA-approved only for depression, tricyclic antidepressants have <strong>\u00e5rtiers evidensbaseret brug i lavere doser til migr\u00e6neprofylakse, kronisk sp\u00e6ndingshovedpine, neuropatisk smerte, fibromyalgi og kronisk s\u00f8vnl\u00f8shed forbundet med smerte<\/strong>. Til <strong>migr\u00e6neprofylaxe<\/strong>Start med 10 mg om natten, titrer op til <strong>25-75 mg nightly (migraine-prevention range)<\/strong>. Fuld effekt efter 8-12 uger. Reducerer m\u00e5nedlige migr\u00e6nedage med ~50% hos respondere. <strong>Sedering er <strong>moderat<\/strong> (less H<sub>1<\/sub> blockade than amitriptyline) &mdash; take at night but daytime hangover is less common<\/strong> \u2014 altid doser om natten. <strong>Antikolinerg belastning er <strong>moderat<\/strong> &mdash; meaningfully less dry mouth, constipation, and cognitive effects than amitriptyline. This is the main reason to choose nortriptyline over amitriptyline.<\/strong> Kontraindiceret ved nyligt hjerteanfald, ukontrollerede arytmier, QT-forl\u00e6ngelse, samtidig MAOI-behandling, sn\u00e6vervinklet glaukom, sv\u00e6r leversvigt og urinretention\/symptomatisk BPH. Hjertesikkerhed er hovedovervejelsen hos patienter over 50 \u2014 baseline ECG f\u00f8r opstart er standardpraksis.<\/p>\n<\/div>\n<div class=\"medsbase-trust-strip\" style=\"background:#f4f8fb;border:1px solid #d8e3eb;padding:12px 16px;margin:16px 0;border-radius:4px;font-size:14px;\">\n<strong>Hvad du f\u00e5r med MedsBase:<\/strong> WHO-GMP certificeret producent \u00b7 Diskret emballage \u00b7 Verdensomsp\u00e6ndende forsendelse \u00b7 1.400+ verificerede <a href=\"https:\/\/medsbase.com\/da\/reviews\/\">kundeanmeldelser<\/a>\n<\/div>\n<h2 class=\"wp-block-heading\">What Is Primox?<\/h2>\n<p>Primox is an oral tablet of <strong>nortriptyline 25 mg<\/strong> from a WHO-GMP certified manufacturer, supplied in 30-180 tablet packs. Introduced in the 1960s as <strong>Pamelor<\/strong> (US) \/ <strong>Allegron<\/strong> (UK). Pharmacologically the desmethylated metabolite of amitriptyline &mdash; the body already converts amitriptyline into nortriptyline <em>in vivo<\/em>, so using nortriptyline directly bypasses the tertiary-amine side-effect burden.<\/p>\n<p>Nortriptyline is a <strong>secondary-amine tricyclic antidepressant (TCA)<\/strong> &mdash; the active metabolite of amitriptyline &mdash; one of the classic drugs of modern psychopharmacology. In contemporary clinical practice, tricyclics have largely been displaced by SSRIs for first-line depression treatment, but they remain a cornerstone of neurology and pain medicine at doses well below the antidepressant range, particularly for migraine prevention, chronic tension-type headache, and neuropathic pain.<\/p>\n<h2 class=\"wp-block-heading\">How Nortriptyline Prevents Migraine<\/h2>\n<p>Den pr\u00e6cise mekanisme for tricykliske antidepressiva i migr\u00e6neprofylakse er multimodal:<\/p>\n<ul>\n<li><strong>Serotonin + noradrenalin genoptagsh\u00e6mning<\/strong> \u2014 forst\u00e6rker de nedadg\u00e5ende h\u00e6mmende smertebaner i hjernestammen, hvilket reducerer trigeminovaskul\u00e6r signalering<\/li>\n<li><strong>Central sensibiliseringsreduktion<\/strong> \u2014 d\u00e6mper rygs\u00f8jlen og trigeminalkerneforst\u00e6rkningen, der driver kronisk daglig hovedpine<\/li>\n<li><strong>NMDA-receptorantagonisme<\/strong> (svag) \u2014 reducerer exciterende glutamatoverf\u00f8rsel<\/li>\n<li><strong>Blokering af natriumkanaler<\/strong> \u2014 membranstabiliserende effekt p\u00e5 hyperexcitable neuroner<\/li>\n<li><strong>H<sub>1<\/sub> histaminblokering<\/strong> \u2014 forklarer den sedative effekt, som indirekte hj\u00e6lper mod migr\u00e6ne ved at forbedre s\u00f8vnkvaliteten (forstyrret s\u00f8vn er en almindelig migr\u00e6neudl\u00f8ser)<\/li>\n<li><strong>Antikolinerg effekt<\/strong> \u2014 t\u00f8rrer t\u00e5rer\/slimhinder, ikke nyttig mod migr\u00e6ne; forklarer bivirkningen mundt\u00f8rhed<\/li>\n<\/ul>\n<p>The migraine-prevention dose (25-75 mg nightly (migraine-prevention range)) is substantially lower than the antidepressant dose (75-100 mg nightly). This is important for three reasons: (1) lower doses minimise side effects, (2) the analgesic mechanism appears to be achieved at doses insufficient for antidepressant effect, and (3) it means Primox can be used for migraine prevention without necessarily being effective as an antidepressant. For patients with <strong>samtidig migr\u00e6ne og depression<\/strong>, vil doser i den h\u00f8jere ende behandle begge tilstande samtidigt.<\/p>\n<h2 class=\"wp-block-heading\">Godkendte og evidensbaserede anvendelser<\/h2>\n<ul>\n<li><strong>Forebyggelse af migr\u00e6ne<\/strong> \u2014 off-label globalt, men anbefalet som f\u00f8rstevalg i American Headache Society, American Academy of Neurology og European Headache Federation retningslinjer. RCT-bevis fra Couch 2011 og TOP-HAT fors\u00f8get.<\/li>\n<li><strong>Chronic neuropathic pain<\/strong> &mdash; diabetic peripheral neuropathy, postherpetic neuralgia, post-stroke pain<\/li>\n<li><strong>Fibromyalgi<\/strong><\/li>\n<li><strong>Kronisk sp\u00e6ndingshovedpine<\/strong><\/li>\n<li><strong>Rygningoph\u00f8r<\/strong> (one of the few non-nicotine, non-bupropion options with RCT evidence)<\/li>\n<li><strong>Depression<\/strong> &mdash; original FDA indication; now typically reserved for treatment-resistant depression or when an SSRI has failed<\/li>\n<li><strong>Melancholic \/ severe depression<\/strong> in older patients<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Primox Dosage for Migraine Prevention<\/h2>\n<p>Tricykliske antidepressiva er <strong>titreret fra meget lave startdoser<\/strong> for at minimere antikolinerge og sedative bivirkninger. T\u00e5lmodighed er afg\u00f8rende \u2014 det tager typisk 8-12 uger at opn\u00e5 terapeutisk effekt.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:14px 0;\">\n<thead>\n<tr style=\"background:#2c7cb0;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;\">Trin<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;\">Dosis (tages om aftenen)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;\">Varighed ved dette trin<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\">Uge 1-2<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">10 mg om aftenen<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Tolerabilitetskontrol<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:10px;border:1px solid #ddd;\">Uge 3-4<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">25 mg om aftenen<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Titreringstrin<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\">Uge 5-8<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">50 mg (hvis tolereret og delvis respons)<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Mest almindelige m\u00e5ldosis<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:10px;border:1px solid #ddd;\">Uge 9-12<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">75 mg (hvis stadig utilstr\u00e6kkelig respons)<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">\u00d8vre dosis til forebyggelse af migr\u00e6ne<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Maksimum<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>100 mg nightly<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Sj\u00e6ldent n\u00f8dvendigt; hvis n\u00f8dvendigt, overvej alternativ behandling<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Vurder effekt efter 8-12 uger.<\/strong> F\u00f8r en migr\u00e6nedagbog f\u00f8r start og efter 12 uger. En klinisk meningsfuld respons er \u226550% reduktion i m\u00e5nedlige migr\u00e6nedage. Hvis ingen respons ved m\u00e5ldosis efter 12 uger, skift forebyggende behandling.<\/p>\n<p><strong>Dosis til andre indikationer:<\/strong><\/p>\n<ul>\n<li>Neuropathic pain: 10-50 mg nightly<\/li>\n<li>Depression: 75-100 mg nightly<\/li>\n<\/ul>\n<p><strong>Administration:<\/strong> slug hele med vand. Tag om aftenen \u2014 <strong>moderat<\/strong> (less H<sub>1<\/sub> blockade than amitriptyline) &mdash; take at night but daytime hangover is less common Take consistently at the same time each night for steady plasma levels.<\/p>\n<p><strong>Oph\u00f8r:<\/strong> trappe ned over 2-4 uger (reducer med 10-25 mg hver 5.-7. dag). Pludselig afbrydelse af et tricyklisk antidepressiv efter flere ugers brug for\u00e5rsager et <strong>afbrydelsessyndrom<\/strong> \u2014 utilpashed, kulderystelser, svedtendens, s\u00f8vnforstyrrelser, mavebesv\u00e6r, levende dr\u00f8mme. Det aftager over 1-2 uger, men er ubehageligt. Stop aldrig abrupt.<\/p>\n<h2 class=\"wp-block-heading\">Baseline-tests og monitorering<\/h2>\n<p>Before starting Primox:<\/p>\n<ul>\n<li><strong>Baseline EKG<\/strong> \u2014 is\u00e6r hos patienter over 50 \u00e5r, hos patienter med kardiovaskul\u00e6r sygehistorie og hos alle, der tager anden medicin, der forl\u00e6nger QT-intervallet. Tricykliske antidepressiva forl\u00e6nger QT-intervallet og kan udl\u00f8se ventrikul\u00e6re arytmier hos modtagelige individer. Undg\u00e5, hvis QTc &gt;450 ms.<\/li>\n<li><strong>Elektrolytter<\/strong> \u2014 hypokali\u00e6mi og hypomagnesi\u00e6mi forst\u00e6rker risikoen for QT-forl\u00e6ngelse. Korriger f\u00f8rst, hvis abnorme.<\/li>\n<li><strong>Leverfunktionstests<\/strong> \u2014 tricykliske antidepressiva metaboliseres i leveren; dosisreduktion er n\u00f8dvendig ved moderat leversvigt, undg\u00e5 ved sv\u00e6rt leversvigt.<\/li>\n<li><strong>Glaukom-screening<\/strong> \u2014 smalvinklet glaukom er en absolut kontraindikation (antikolinerg effekt kan udl\u00f8se akut vinkelblokade).<\/li>\n<li><strong>Urinvejsvurdering<\/strong> hos m\u00e6nd over 50 \u00e5r \u2014 symptomatisk BPH\/urinretention forv\u00e6rres af antikolinerg effekt.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Bivirkninger<\/h2>\n<p><strong>Meget almindelig (&gt;10%):<\/strong><\/p>\n<ul>\n<li><strong>Sedering, d\u00f8sighed, morgen-t\u00f8mmerm\u00e6nd<\/strong> \u2014 dosisrelateret; tilpasses delvist over 2-4 uger<\/li>\n<li><strong>T\u00f8r mund, t\u00f8rre \u00f8jne<\/strong> (antikolinerg)<\/li>\n<li><strong>Forstoppelse<\/strong> (antikolinerg) \u2014 \u00f8g fiber og vandindtag; tilf\u00f8j aff\u00f8ringsmiddel hvis n\u00f8dvendigt<\/li>\n<li><strong>V\u00e6gt\u00f8gning<\/strong> \u2014 gennemsnitligt 1-3 kg over 6-12 m\u00e5neder ved migr\u00e6nforebyggende doser; mere ved antidepressiv dosis<\/li>\n<li><strong>Postural hypotension og svimmelhed<\/strong> \u2014 mere udtalt hos \u00e6ldre; rejs dig langsomt fra liggende\/siddende stilling<\/li>\n<\/ul>\n<p><strong>Almindelige (1-10%):<\/strong><\/p>\n<ul>\n<li>Sl\u00f8ret syn (antikolinerg)<\/li>\n<li>Vandladningsbesv\u00e6r eller retention (is\u00e6r hos m\u00e6nd med BPH)<\/li>\n<li>Hurtig hjerterytme, takykardi, mild QT-forl\u00e6ngelse<\/li>\n<li>Hukommelsesproblemer, ordfindingsvanskeligheder (dosisrelateret; reversibel)<\/li>\n<li>Rystelser (fine; godartede)<\/li>\n<li>\u00c6ndret smagssans<\/li>\n<li>Seksuel dysfunktion (nedsat libido, erektil dysfunktion, anorgasmi) \u2014 dosisrelateret<\/li>\n<li>Svedtendens<\/li>\n<li>\u00d8get appetit<\/li>\n<\/ul>\n<p><strong>Sj\u00e6ldne men vigtige:<\/strong><\/p>\n<ul>\n<li><strong>QT-forl\u00e6ngelse \/ ventrikul\u00e6r arytmi<\/strong> \u2014 is\u00e6r ved h\u00f8jere doser, ved overdosering eller i kombination med andre QT-forl\u00e6ngende l\u00e6gemidler. Overdosis af tricykliske antidepressiva er den <strong>mest kardiotoksiske af de almindelige antidepressiva-overdoseringer<\/strong>; bevidst indtagelse er en medicinsk n\u00f8dsituation.<\/li>\n<li><strong>Akut vinkelblok-glaukom<\/strong> hos modtagelige \u00f8jne<\/li>\n<li><strong>Krampeanfald<\/strong> ved h\u00f8jere doser, is\u00e6r hos patienter med nedsat t\u00e6rskel<\/li>\n<li><strong>Selvmordstanker<\/strong> \u2014 klasseadvarsel for alle antidepressiva, is\u00e6r i de f\u00f8rste 4 uger og hos patienter under 25<\/li>\n<li><strong>Serotoninsyndrom<\/strong> \u2014 i kombination med MAO-h\u00e6mmere eller andre serotoninergiske midler<\/li>\n<li><strong>Hyponatri\u00e6mi<\/strong> (SIADH) \u2014 is\u00e6r hos \u00e6ldre<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Kontraindikationer<\/h2>\n<ul>\n<li>Nyligt myokardieinfarkt (inden for de sidste 3 m\u00e5neder)<\/li>\n<li>Ukontrolleret hjertearytmi eller hjerteblok<\/li>\n<li>Kendt medf\u00f8dt lang QT-syndrom eller QTc &gt;450 ms<\/li>\n<li>Sv\u00e6r leversvigt<\/li>\n<li>Samtidig brug af MAOI eller inden for 14 dage efter oph\u00f8r af en MAOI (phenelzine, tranylcypromine, moclobemide, selegiline, linezolid)<\/li>\n<li>Sn\u00e6vervinklet glaukom<\/li>\n<li>Markant urinretention<\/li>\n<li>Akut porfyri<\/li>\n<li>Overf\u00f8lsomhed over for tricykliske antidepressiva<\/li>\n<\/ul>\n<p><strong>Graviditet:<\/strong> Nortriptyline is FDA Pregnancy Category C. Decades of observational data are broadly reassuring; no major congenital malformation signal. Neonatal withdrawal syndrome can occur with third-trimester use. For migraine prevention in pregnancy, <a href=\"https:\/\/medsbase.com\/da\/inderal\/\">propranolol<\/a> er det f\u00f8rstevalg; tricykliske antidepressiva er et rimeligt andetvalg efter fiasko med betablokker.<\/p>\n<p><strong>Amning:<\/strong> Nortriptyline passes into breast milk in small amounts. Generally considered compatible during breastfeeding; infant exposure is low.<\/p>\n<p><strong>\u00c6ldre (&gt;65 \u00e5r):<\/strong> tricycliske antidepressiva er p\u00e5 <strong>Beers-listen over potentielt uhensigtsm\u00e6ssig medicin til \u00e6ldre<\/strong> because of anticholinergic burden (falls risk, cognitive effects, constipation, urinary retention). Nortriptyline is the <strong>preferred tricyclic for elderly patients<\/strong> when one is required &mdash; its lower anticholinergic and sedative profile makes it safer than amitriptyline.<\/p>\n<h2 class=\"wp-block-heading\">L\u00e6gemiddelinteraktioner<\/h2>\n<ul>\n<li><strong>MAO-h\u00e6mmere<\/strong> (phenelzin, tranylcypromin, moclobemid, selegilin, linezolid) \u2014 kontraindiceret; risiko for serotoninsyndrom. Adskil med mindst 14 dage.<\/li>\n<li><strong>SSRI \/ SNRI<\/strong> (fluoxetine, sertraline, paroxetine, citalopram, venlafaxine, duloxetine) &mdash; additive serotonergic effect; fluoxetine and paroxetine are strong CYP2D6 inhibitors and markedly raise tricyclic plasma levels (reduce Primox dose by 50%).<\/li>\n<li><strong>Andre QT-forl\u00e6ngende l\u00e6gemidler<\/strong> (kinolonantibiotika, makrolider, methadon, antipsykotika, ondansetron, domperidon) \u2014 additiv QT-forl\u00e6ngelse; undg\u00e5 eller overv\u00e5g EKG<\/li>\n<li><strong>Antikolinergiske l\u00e6gemidler<\/strong> (antihistaminer, antispasmodika, oxybutynin, scopolamin) \u2014 additiv antikolinerg byrde; s\u00e6rligt problematisk hos \u00e6ldre<\/li>\n<li><strong>Sedierende l\u00e6gemidler<\/strong> (benzodiazepiner, opioider, alkohol) \u2014 additiv CNS-depression<\/li>\n<li><strong>Adrenerge l\u00e6gemidler<\/strong> (direkte virkende sympatomimetika, stimulanter) \u2014 overdreven respons; undg\u00e5 phenylefrin i afsv\u00e6llende midler ved h\u00f8jere doser<\/li>\n<li><strong>Warfarin<\/strong> \u2014 tricykliske antidepressiva kan \u00f8ge warfarin-niveauet; overv\u00e5g INR<\/li>\n<li><strong>Tramadol<\/strong> \u2014 additiv risiko for krampeanfald og serotoninsyndrom; undg\u00e5<\/li>\n<li><strong>Carbamazepin, phenytoin<\/strong> \u2014 reducerer tricykliske niveauer via CYP-induktion<\/li>\n<li><strong>Alkohol<\/strong> \u2014 additiv CNS-depression og nedsat k\u00f8reevne; begr\u00e6ns indtag<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Amitriptyline vs Nortriptyline \u2014 Hvilken tricyklisk?<\/h2>\n<p>Amitriptyline metaboliseres <em>in vivo<\/em> til nortriptyline (dens aktive metabolit). Begge virker til forebyggelse af migr\u00e6ne; de adskiller sig i bivirkningsprofil:<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:14px 0;\">\n<thead>\n<tr style=\"background:#2c7cb0;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;\"><\/th>\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;\">Amitriptyline (<a href=\"https:\/\/medsbase.com\/da\/cotrip\/\">Cotrip<\/a>)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;text-align:left;\">Nortriptyline (<a href=\"https:\/\/medsbase.com\/da\/primox\/\">Primox<\/a>)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Kemisk klasse<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Terti\u00e6r amin<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Sekund\u00e6r amin (aktiv metabolit af amitriptyline)<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Sedering<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">St\u00e6rk (H<sub>1<\/sub> blokade)<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Moderat<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Antikolinerg belastning<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">St\u00e6rk<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Moderat \u2014 cirka halvdelen af amitriptylins<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Postural hypotension<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Almindelige<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Mindre almindeligt<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Effekt mod migr\u00e6ne<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Referencestandard<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Overordnet set \u00e6kvivalent<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Bedst til<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Migr\u00e6ne + d\u00e5rlig s\u00f8vn + smerter \u2014 sedation er terapeutisk<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Migr\u00e6ne hos patienter, hvor sedation eller anticholinerge effekter er begr\u00e6nsende; \u00e6ldre<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #ddd;\"><strong>Egnethed til \u00e6ldre<\/strong><\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Frar\u00e5des (Beers liste)<\/td>\n<td style=\"padding:10px;border:1px solid #ddd;\">Foretrukket tricyklisk antidepressiv hvis s\u00e5dan er n\u00f8dvendigt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If a full tertiary-amine tricyclic effect is needed (e.g. patient has marked insomnia as part of the migraine syndrome), <a href=\"https:\/\/medsbase.com\/da\/cotrip\/\">amitriptyline (Cotrip)<\/a> is the alternative &mdash; more sedating and more analgesic, at the cost of higher anticholinergic burden.<\/p>\n<h2 class=\"wp-block-heading\">Opbevaring<\/h2>\n<p>Opbevares under 25\u00b0C i den originale blisterpakning. Beskyt mod lys. Hold utilg\u00e6ngeligt for b\u00f8rn \u2014 <strong>en overdosis af tricykliske antidepressiva kan v\u00e6re d\u00f8delig for sm\u00e5 b\u00f8rn ved relativt sm\u00e5 doser<\/strong>.<\/p>\n<h2 id=\"faqs\">Ofte stillede sp\u00f8rgsm\u00e5l<\/h2>\n<h3 class=\"wp-block-heading\">Will Primox work for my migraine if I&#8217;m not depressed?<\/h3>\n<p>Ja \u2014 den forebyggende mekanisme mod migr\u00e6ne (modulation af nedadg\u00e5ende smertebane + blokade af natriumkanaler) virker ved doser langt under den antidepressivt virkende dosis. ~50% af brugere af tricykliske antidepressiva uden depression oplever stadig en meningsfuld reduktion i migr\u00e6ne. Mange patienter er tilbageholdende med at tage \u201cen antidepressiv\u201d mod migr\u00e6ne, men ved 10-50 mg natligt fungerer dosen som en neuromodulator snarere end en antidepressiv.<\/p>\n<h3 class=\"wp-block-heading\">How long before Primox starts preventing migraines?<\/h3>\n<p>Allow 8-12 weeks at target dose. Some patients see benefit earlier (at 4-6 weeks), but a fair trial is 12 weeks. Keep a migraine diary at baseline and at week 12. If no response at 100 mg nightly after 12 weeks, switch preventive.<\/p>\n<h3 class=\"wp-block-heading\">Hvorfor er jeg s\u00e5 s\u00f8vnig n\u00e6ste morgen?<\/h3>\n<p>Nortriptyline has a long elimination half-life (12-36 hours for amitriptyline\/nortriptyline). The sedation peaks overnight but can persist into morning. Mitigate by: (1) taking the dose earlier in the evening (e.g. 8 pm rather than bedtime), (2) reducing the dose if sedation is disabling, (3) switching to a less-sedating preventive like <a href=\"https:\/\/medsbase.com\/da\/inderal\/\">propranolol<\/a> eller <a href=\"https:\/\/medsbase.com\/da\/topicon\/\">topiramate<\/a>. Morning hangover usually improves over 2-4 weeks as tolerance develops.<\/p>\n<h3 class=\"wp-block-heading\">Will Primox make me gain weight?<\/h3>\n<p>Ja for nogle mennesker \u2014 gennemsnitligt 1-3 kg over 6-12 m\u00e5neder ved migr\u00e6neforebyggende doser. Mekanisme: \u00f8get appetit via H<sub>1<\/sub> og 5-HT<sub>2C<\/sub> blokade. Hvis v\u00e6gt\u00f8gning er en bekymring, <a href=\"https:\/\/medsbase.com\/da\/topicon\/\">topiramate<\/a> for\u00e5rsager v\u00e6gttab og <a href=\"https:\/\/medsbase.com\/da\/inderal\/\">propranolol<\/a> is weight-neutral. Alternatively, nortriptyline already has a better weight profile than amitriptyline.<\/p>\n<h3 class=\"wp-block-heading\">Is Primox safe if I have heart problems?<\/h3>\n<p>Forsigtighed. Trizykliske antidepressiva forl\u00e6nger QT-intervallet og kan udl\u00f8se ventrikul\u00e6re arytmier hos modtagelige individer. Absolutte kontraindikationer: nyligt hjerteinfarkt (inden for de sidste 3 m\u00e5neder), ukontrolleret arytmi, medf\u00f8dt langt QT-syndrom, QTc &gt;450 ms p\u00e5 baseline EKG. Relativ forsigtighed: enhver historie med koronar sygdom, bundelgrenblok eller samtidig brug af QT-forl\u00e6ngende medicin. Et baseline EKG er standard praksis f\u00f8r start hos enhver patient over 50 \u00e5r.<\/p>\n<h3 class=\"wp-block-heading\">Can I take Primox with a triptan when a migraine attack strikes?<\/h3>\n<p>Yes &mdash; tricyclics are preventive, triptans are abortive. They work through different mechanisms. Take Primox nightly for prevention; take a triptan (<a href=\"https:\/\/medsbase.com\/da\/sumitop\/\">sumatriptan<\/a>, <a href=\"https:\/\/medsbase.com\/da\/maxtan\/\">rizatriptan<\/a>, <a href=\"https:\/\/medsbase.com\/da\/zolitas-ods\/\">zolmitriptan<\/a>) efter behov for gennembrudsanfald. Der er en teoretisk bekymring om serotonin-syndrom (FDA advisory fra 2006), men virkelighedens data viser, at kombinationen er vel tolereret i klinisk praksis.<\/p>\n<h3 class=\"wp-block-heading\">Can I drink alcohol on Primox?<\/h3>\n<p>Minimise alcohol intake. Tricyclics and alcohol are additive for sedation, cognitive impairment, and impaired driving. Alcohol is also a common migraine trigger, so reducing intake often improves migraine independent of Primox. Occasional small amounts (a glass of wine) are unlikely to cause problems; regular or heavy drinking is contraindicated.<\/p>\n<h3 class=\"wp-block-heading\">Can I take Primox in pregnancy?<\/h3>\n<p>Nortriptyline has decades of observational pregnancy data with no major malformation signal (FDA Category C). For migraine prevention in pregnancy, <a href=\"https:\/\/medsbase.com\/da\/inderal\/\">propranolol<\/a> f\u00f8rstevalg; trizykliske antidepressiva er et rimeligt andet valg, hvis propranolol er kontraindiceret eller ineffektivt. Neonatal abstinens (irritabilitet, besv\u00e6r med at spise) kan forekomme ved eksponering i tredje trimester, men aftager inden for f\u00e5 dage.<\/p>\n<h3 class=\"wp-block-heading\">How do I stop Primox?<\/h3>\n<p>Trap ned over 2-4 uger (reducer med 10-25 mg hver 5-7. dag). Pludselig afbrydelse for\u00e5rsager en afbrydelsessyndrom: utilpashed, kulderystelser, svedtendens, s\u00f8vnforstyrrelser, mavebesv\u00e6r, levende dr\u00f8mme. Ubehageligt, men selvbegr\u00e6nsende over 1-2 uger. Stop aldrig pludseligt.<\/p>\n<h3 class=\"wp-block-heading\">Does Primox work for non-migraine headaches?<\/h3>\n<p>Ja \u2014 tricykliske antidepressiva er den eneste evidensbaserede forebyggende behandling for <strong>kronisk sp\u00e6ndingshovedpine<\/strong>. De hj\u00e6lper ogs\u00e5 mod <strong>posttraumatisk hovedpine<\/strong>, <strong>medicinoverforbrugshovedpine<\/strong> (sammen med udfasning af de overforbrugte akutmedicin), og <strong>cervikogen hovedpine<\/strong>. Amitriptylin er det bedst unders\u00f8gte tricykliske middel til disse indikationer; nortriptylin er stort set \u00e6kvivalent med bedre tolerabilitet.<\/p>\n<h3 class=\"wp-block-heading\">Where can I buy Primox online?<\/h3>\n<p>You can buy Primox (nortriptyline 25 mg, 30-180 tablet packs) from MedsBase with discreet packaging and worldwide shipping.<\/p>\n<h2 class=\"wp-block-heading\">Relaterede migr\u00e6nebehandlinger p\u00e5 MedsBase<\/h2>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/da\/zolmist-nasal-spray\/\">Zolmist n\u00e6sespray \u2014 Zolmitriptan 5 mg (hurtig virkning)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/zolitas-ods\/\">Zolitas ODS \u2014 Zolmitriptan 2,5\/5 mg oro-dispersible<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/maxtan\/\">Maxtan \u2014 Rizatriptan 5\/10 mg<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/rizatop\/\">Rizatop \u2014 Rizatriptan 10 mg<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/rizact\/\">Rizact \u2014 Rizatriptan (Cipla)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/sumitop\/\">Sumitop \u2014 Sumatriptan 25\/50\/100 mg<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/anti-migraine\/\"><strong>Se alle anti-migr\u00e6nebehandlinger<\/strong><\/a><\/li>\n<\/ul>\n<div style=\"background:#fff3f3;border-left:4px solid #d9534f;padding:16px 20px;margin:24px 0;border-radius:4px;\"><strong>\u2695 Medicinsk ansvarsfraskrivelse.<\/strong> Denne side er kun til informationsform\u00e5l og erstatter ikke l\u00e6gevejledning fra en kvalificeret sundhedsfaglig person. Konsult\u00e9r altid din l\u00e6ge, f\u00f8r du p\u00e5begynder, \u00e6ndrer eller stopper enhver migr\u00e6nemedicin.<\/div>\n<h3>Hvorfor bestille fra MedsBase<\/h3>\n<p class=\"medsbase-reship-line\" style=\"font-size:14px;color:#444;margin:8px 0 18px;\">\ud83d\udce6 Hver ordre er d\u00e6kket af vores <a href=\"https:\/\/medsbase.com\/da\/medsbase-re-shipment-assurance-policy\/\"><strong>Reshipment Assurance Policy<\/strong><\/a> \u2014 hvis din pakke ikke ankommer inden for 20 hverdage, sender vi en erstatning.<\/p>\n<p><!-- medsbase-related-alts-v1 --><\/p>\n<h3 class=\"wp-block-heading\">Relaterede alternativer<\/h3>\n<p>Andre produkter inden for <strong>Kroniske tilstande<\/strong> som kunder ogs\u00e5 ser:<\/p>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/da\/venpad-xr\/\">Venpad XR<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/atenheal\/\">Atenheal<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/endoxan\/\">Endoxan<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/tamodex\/\">Tamodex<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/da\/meta-spray\/\">Meta Spray<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Primox is nortriptyline 25 mg oral tablets \u2014 the active secondary-amine metabolite of amitriptyline, with the same mechanism but roughly half the anticholinergic and sedative burden. Used for migraine prevention, chronic tension-type headache, neuropathic pain, fibromyalgia, and depression. Preferred tricyclic in elderly patients and where amitriptyline side effects are dose-limiting. Start 10 mg nightly; titrate to 25-75 mg for migraine prevention. Full effect at 8-12 weeks.<\/p>","protected":false},"featured_media":59501,"comment_status":"open","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[3553,3141,3223,4647],"product_tag":[4708,4709],"class_list":{"0":"post-59500","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-anti-migraine","7":"product_cat-category-overview","8":"product_cat-chronic-conditions","9":"product_cat-situational-anxiety-treatment","10":"product_tag-nortriptyline","11":"product_tag-primox","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-variable","18":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/product\/59500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/comments?post=59500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/media\/59501"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/media?parent=59500"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/product_brand?post=59500"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/product_cat?post=59500"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/da\/wp-json\/wp\/v2\/product_tag?post=59500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}