{"id":58271,"date":"2024-02-27T18:26:31","date_gmt":"2024-02-27T18:26:31","guid":{"rendered":"https:\/\/medsname.com\/pregnidoxin-nu\/"},"modified":"2026-04-30T10:24:16","modified_gmt":"2026-04-30T10:24:16","slug":"pregnidoxin-nu","status":"publish","type":"product","link":"https:\/\/medsbase.com\/cs\/product\/pregnidoxin-nu\/","title":{"rendered":"Pregnidoxin NU"},"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 Pregnidoxin NU?<\/h3>\n<p style=\"margin:0;\"><strong>Pregnidoxin NU<\/strong> kombinuje <strong>doxylamine succinate 10 mg + pyridoxine (Vitamin B6) 10 mg<\/strong> \u2014 nejsiln\u011bj\u0161\u00ed d\u016fkazy <strong>first-line pharmacological treatment for nausea and vomiting of pregnancy (NVP)<\/strong> per ACOG, NICE, and SOGC guidelines. Doxylamine is a sedating H1 antihistamine; pyridoxine is the active form of Vitamin B6 (mechanism in NVP not fully established). Used for morning sickness when conservative measures (small frequent meals, ginger, acupressure) fail. Manufactured by Inmark under WHO-GMP standards. <strong>FDA Pregnancy Category A<\/strong> &mdash; the safest oral antiemetic in pregnancy.<\/p>\n<\/div>\n<div class=\"medsbase-trust-strip\" style=\"background:#f5f6f8;border:1px solid #e1e4e8;border-radius:6px;padding:14px 18px;margin:24px 0;font-size:14px;\"><strong>Pro\u010d objedn\u00e1vat z MedsBase:<\/strong> \u2714 <strong>v\u00fdrobce certifikovan\u00e9ho WHO-GMP<\/strong> \u2714 Diskr\u00e9tn\u00ed balen\u00ed \u2714 Celosv\u011btov\u00e1 doprava \u2714 <a href=\"https:\/\/medsbase.com\/cs\/reviews\/\">Ov\u011b\u0159en\u00e9 recenze z\u00e1kazn\u00edk\u016f (1 400+ z\u00e1kazn\u00edk\u016f)<\/a><\/div>\n<p class=\"medsbase-reship-line\" style=\"font-size:14px;color:#444;margin:8px 0 18px;\">\ud83d\udce6 Ka\u017ed\u00e1 objedn\u00e1vka je pokryta na\u0161\u00ed <a href=\"https:\/\/medsbase.com\/cs\/medsbase-re-shipment-assurance-policy\/\"><strong>Z\u00e1rukou op\u011btovn\u00e9ho odesl\u00e1n\u00ed<\/strong><\/a> \u2014 pokud va\u0161e z\u00e1silka nedoraz\u00ed do 20 pracovn\u00edch dn\u016f, p\u0159epos\u00edl\u00e1me ji.<\/p>\n<h3>Pro\u010d objedn\u00e1vat z MedsBase<\/h3>\n<p>Na\u0161e generick\u00e9 l\u00e9ky poch\u00e1zej\u00ed od v\u00fdrobc\u016f certifikovan\u00fdch WHO-GMP a jsou expedov\u00e1ny po cel\u00e9m sv\u011bt\u011b v diskr\u00e9tn\u00edm, nen\u00e1padn\u00e9m balen\u00ed \u2013 na vn\u011bj\u0161\u00ed stran\u011b bal\u00edku nen\u00ed uveden n\u00e1zev l\u00e9ku. Platby kartou jsou sm\u011brov\u00e1ny prost\u0159ednictv\u00edm regulovan\u00e9ho procesoru (popisky na v\u00fdpisu zahrnuj\u00ed regulovan\u00e9ho procesora plateb kartou \u2013 nikdy \u201cMedsBase\u201d nebo n\u00e1zev l\u00e9ku). P\u0159ij\u00edm\u00e1me tak\u00e9 kryptom\u011bny a bankovn\u00ed p\u0159evody SEPA. Ka\u017ed\u00e1 objedn\u00e1vka je zaji\u0161t\u011bna na\u0161\u00ed politikou p\u0159eposl\u00e1n\u00ed.<\/p>\n<div style=\"background:#f4f8fb;border-left:4px solid #2c7cb0;padding:14px 18px;margin:18px 0;border-radius:4px;\"><strong>&#128161; First-line for nausea-vomiting of pregnancy (NVP).<\/strong> Doxylamine + pyridoxine is the only oral antiemetic combination in <strong>FDA Pregnancy Category A<\/strong>. Decades of human pregnancy data show no increase in birth defects, miscarriage, or stillbirth. ACOG, NICE, SOGC, and most modern obstetric guidelines list it as the first-line drug after non-pharmacological measures. Newer agents (ondansetron, metoclopramide, prochlorperazine, promethazine) are reserved for refractory cases.<\/div>\n<h2 class=\"wp-block-heading\">When to use Pregnidoxin NU<\/h2>\n<p>NVP affects 70&ndash;80% of pregnancies and typically peaks at 9&ndash;13 weeks gestation. About 0.3&ndash;3% develop severe disease (hyperemesis gravidarum). The standard escalation is:<\/p>\n<ol>\n<li>Lifestyle: small frequent meals, dry crackers on waking, hydration, avoid triggers, ginger 250 mg four times daily, sea-band acupressure.<\/li>\n<li>If lifestyle fails: add pyridoxine (Vitamin B6) 10&ndash;25 mg three times daily.<\/li>\n<li>If pyridoxine alone is insufficient: <strong>add doxylamine<\/strong> (Doxinate, Pregnidoxin NU) &mdash; 1 tablet at bedtime, escalate to up to 4 tablets\/day (1 morning, 1 mid-afternoon, 2 bedtime).<\/li>\n<li>If doxylamine + B6 fails: add metoclopramide, ondansetron, or prochlorperazine; consider IV fluids and admission for hyperemesis gravidarum.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Pro\u010d objedn\u00e1vat z MedsBase<\/h3>\n<p>Pregnidoxin NU is supplied from a <strong>v\u00fdrobce certifikovan\u00e9ho WHO-GMP<\/strong>. Ka\u017ed\u00e1 objedn\u00e1vka je diskr\u00e9tn\u011b zas\u00edl\u00e1na po cel\u00e9m sv\u011bt\u011b a je pokryta na\u0161\u00ed <a href=\"https:\/\/medsbase.com\/cs\/medsbase-re-shipment-assurance-policy\/\">Z\u00e1rukou op\u011btovn\u00e9ho odesl\u00e1n\u00ed<\/a> &mdash; if it does not arrive within 20 business days, we reship at no cost. Doxylamine + B6 is the safest oral antiemetic in pregnancy with the longest human safety record (FDA Pregnancy Category A) and is endorsed as first-line by every major obstetric body.<\/p>\n<h2 class=\"wp-block-heading\">Mechanismus \u00fa\u010dinku<\/h2>\n<p><strong>Doxylamin<\/strong> is a sedating first-generation H1 antihistamine. It blocks histamine receptors in the chemoreceptor trigger zone and the medullary vomiting centre, suppressing the H1-driven emetic signal. It also has anticholinergic activity that reduces gastric motility and vestibular signalling. Sedation is part of the therapeutic effect &mdash; bedtime dosing helps with the early-morning nausea on waking.<\/p>\n<p><strong>Pyridoxine (Vitamin B6)<\/strong> mechanism in NVP is not fully established. The active metabolite pyridoxal 5-phosphate is a cofactor for over 100 enzymes including amino-acid metabolism, neurotransmitter synthesis, and steroid-hormone modulation. Several RCTs show modest benefit over placebo even as monotherapy; combination with doxylamine is consistently superior to either alone.<\/p>\n<h2 class=\"wp-block-heading\">Indikace<\/h2>\n<ul>\n<li><strong>Nausea and vomiting of pregnancy (NVP)<\/strong> &mdash; first-line after lifestyle and B6 alone<\/li>\n<li><strong>Hyperemesis gravidarum<\/strong> &mdash; first-line drug therapy before metoclopramide\/ondansetron<\/li>\n<li><strong>Mild allergic rhinitis or insomnia<\/strong> &mdash; non-pregnancy uses for the doxylamine fraction (less common indication)<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">D\u00e1vka<\/h2>\n<table style=\"width:100%;border-collapse:collapse;margin:14px 0;\">\n<thead>\n<tr style=\"background:#2c7cb0;color:#fff;\">\n<th style=\"padding:8px;text-align:left;\">D\u00e1vkovac\u00ed sch\u00e9ma<\/th>\n<th style=\"padding:8px;text-align:left;\">Tablety<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">Day 1 (start)<\/td>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">2 tablety p\u0159ed span\u00edm<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">Day 2<\/td>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">2 tablets at bedtime + 1 tablet mid-afternoon if morning symptoms persist<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">Day 3 onwards (max)<\/td>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">2 tablets at bedtime + 1 mid-afternoon + 1 morning &mdash; total max 4 tablets\/day<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">Udr\u017eovac\u00ed d\u00e1vka<\/td>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">Lowest effective dose; reassess every 2 weeks &mdash; many patients can reduce as the second trimester begins<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border-bottom:1px solid #ddd;\">Ukon\u010den\u00ed<\/td>\n<td style=\"padding:8px;\">Once nausea has resolved; not needed long-term &mdash; NVP usually settles by 16&ndash;20 weeks<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The bedtime-loaded schedule reflects the natural rhythm of NVP &mdash; symptoms peak in the early morning. The 2-tablet bedtime dose has its peak doxylamine effect 4&ndash;6 hours later, exactly when the typical NVP attack occurs.<\/p>\n<h2 class=\"wp-block-heading\">Vedlej\u0161\u00ed \u00fa\u010dinky<\/h2>\n<ul>\n<li><strong>\u010cast\u00e9:<\/strong> drowsiness (the dominant side effect &mdash; useful at bedtime, less so during the day), dry mouth, blurred vision, mild constipation<\/li>\n<li><strong>M\u00e9n\u011b \u010dast\u00e9:<\/strong> dizziness, palpitation, urinary hesitancy, mild headache<\/li>\n<li><strong>Vz\u00e1cn\u00e9:<\/strong> rash, photosensitivity, paradoxical excitation (children)<\/li>\n<li>The combination has an exceptional safety record from millions of pregnancies; no increased risk of birth defects, low birth weight, or pregnancy complications has been demonstrated<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Interakce l\u00e9k\u016f<\/h2>\n<ul>\n<li><strong>CNS depresiva<\/strong> (alcohol, opioids, benzodiazepines, gabapentinoids): additive sedation &mdash; avoid combination, particularly during the day.<\/li>\n<li><strong>Anticholinergika<\/strong> (TCAs, oxybutynin, hyoscine, antipsychotics): additive dry mouth, blurred vision, urinary retention.<\/li>\n<li><strong>MAO inhibitors:<\/strong> may prolong and intensify the sedative effect &mdash; avoid combination.<\/li>\n<li><strong>Levodopa:<\/strong> high-dose pyridoxine (&gt; 50 mg\/day) can reduce levodopa effectiveness in Parkinson&rsquo;s; standard doxylamine+B6 dosing rarely reaches this threshold.<\/li>\n<li><strong>Drugs that raise gastric pH<\/strong> (PPIs, H2 blockers, antacids): no clinically significant interaction.<\/li>\n<\/ul>\n<h2 id=\"faqs\">\u010casto kladen\u00e9 dotazy<\/h2>\n<h3 class=\"wp-block-heading\">Is Pregnidoxin NU safe in pregnancy?<\/h3>\n<p>Yes &mdash; doxylamine + pyridoxine is the only oral antiemetic combination in <strong>FDA Pregnancy Category A<\/strong>, with millions of pregnancies of safety data going back to the 1950s. ACOG, NICE, and SOGC list it as first-line pharmacological therapy for NVP after lifestyle measures.<\/p>\n<h3 class=\"wp-block-heading\">When during the day should I take Pregnidoxin NU?<\/h3>\n<p>Most patients take 2 tablets at bedtime for the typical morning-sickness pattern, then add 1 tablet mid-afternoon and 1 in the morning if symptoms persist. The bedtime-loaded schedule places the peak doxylamine effect during the early-morning hours when NVP is worst.<\/p>\n<h3 class=\"wp-block-heading\">How quickly does Pregnidoxin NU work?<\/h3>\n<p>The first night of bedtime dosing often produces noticeable improvement the next morning, but full effect takes 2&ndash;3 days as the schedule is built up. If no improvement after 1 week at the maximum dose (4 tablets\/day), reassess with a clinician.<\/p>\n<h3 class=\"wp-block-heading\">Is the drowsiness a problem?<\/h3>\n<p>Bedtime dosing leverages the drowsiness as a sleep aid. Daytime doses (mid-afternoon, morning) may cause drowsiness &mdash; avoid driving, operating machinery, or activities requiring alertness until you know how it affects you.<\/p>\n<h3 class=\"wp-block-heading\">When can I stop Pregnidoxin NU?<\/h3>\n<p>NVP usually peaks at 9&ndash;13 weeks gestation and resolves by 16&ndash;20 weeks. Once symptoms have settled for several days, taper down by removing the morning and afternoon doses first, then stop the bedtime dose. There is no withdrawal syndrome.<\/p>\n<h3 class=\"wp-block-heading\">Can Pregnidoxin NU be used outside pregnancy?<\/h3>\n<p>The combination is occasionally used for sleep aid, allergic rhinitis, or vestibular nausea (off-label). The first-line indication and safety record are specifically for NVP.<\/p>\n<h3 class=\"wp-block-heading\">What if Pregnidoxin NU does not control my nausea?<\/h3>\n<p>Add metoclopramide, ondansetron, or promethazine (under medical supervision). Severe persistent vomiting with weight loss, dehydration, or ketosis (hyperemesis gravidarum) requires assessment and possible IV fluids\/admission.<\/p>\n<h3 class=\"wp-block-heading\">Does Pregnidoxin NU affect the baby?<\/h3>\n<p>No &mdash; the safety record from over 60 years of use shows no increase in birth defects, low birth weight, prematurity, or neurodevelopmental problems. Treating severe NVP actually <strong>improves<\/strong> outcomes by reducing the maternal nutritional deficit.<\/p>\n<h3 class=\"wp-block-heading\">What is the difference between Pregnidoxin NU and Doxinate?<\/h3>\n<p>Both are doxylamine + pyridoxine combinations &mdash; the same molecules, the same first-line indication. Different brands from different manufacturers; clinical effect and safety are equivalent.<\/p>\n<h3 class=\"wp-block-heading\">How is Pregnidoxin NU stored?<\/h3>\n<p>Store tablets at room temperature (below 25&deg;C), protected from light and moisture. Keep out of reach of children &mdash; doxylamine overdose in children causes anticholinergic toxicity and respiratory depression.<\/p>\n<p><!-- medsbase-related-alts-v1 --><\/p>\n<h3 class=\"wp-block-heading\">Dal\u0161\u00ed l\u00e9\u010dba nevolnosti<\/h3>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/doxinate\/\">Doxinate (doxylamine + B6 &mdash; alternative brand)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/dompewal-tablet\/\">Dompewal (domperidone &mdash; second-line NVP)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/ondem\/\">Ondem (ondansetron &mdash; refractory hyperemesis)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/avomine\/\">Avomine (promethazine &mdash; third-line NVP)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/stemetil-md\/\">Stemetil MD (prochlorperazine ODT &mdash; refractory)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/nausea-treatment\/\"><strong>Prohl\u00e9dnout v\u0161echny l\u00e9ky na nevolnost<\/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 L\u00e9ka\u0159sk\u00e9 upozorn\u011bn\u00ed.<\/strong> This page is for informational purposes only and does not replace medical advice from a qualified healthcare professional. Persistent vomiting, blood in vomit, severe abdominal pain, signs of dehydration, suspected pregnancy complications, or chemotherapy-related symptoms require evaluation by a clinician. Persistent vomiting in pregnancy with weight loss &gt; 5%, ketonuria, or dehydration may indicate hyperemesis gravidarum and requires obstetric assessment.<\/div>","protected":false},"excerpt":{"rendered":"<p>Pregnidoxin NU (Doxylamine 10 mg + Vitamin B6\/Pyridoxine 10 mg) \u2014 ACOG\/NICE\/SOGC first-line pharmacological therapy for nausea-vomiting of pregnancy (NVP). FDA Pregnancy Category A.<\/p>","protected":false},"featured_media":58272,"comment_status":"open","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[3141,3342,3543],"product_tag":[3545,4457,3546],"class_list":{"0":"post-58271","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-category-overview","7":"product_cat-general-health","8":"product_cat-nausea-treatment","9":"product_tag-doxylamine","10":"product_tag-pregnidoxin-nu","11":"product_tag-vitamin-b6","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-variable","18":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product\/58271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/comments?post=58271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media\/58272"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media?parent=58271"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_brand?post=58271"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_cat?post=58271"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_tag?post=58271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}