{"id":59771,"date":"2024-02-28T06:15:46","date_gmt":"2024-02-28T06:15:46","guid":{"rendered":"https:\/\/medsname.com\/waf-5\/"},"modified":"2026-05-01T10:49:15","modified_gmt":"2026-05-01T10:49:15","slug":"waf-5","status":"publish","type":"product","link":"https:\/\/medsbase.com\/nl\/waf-5\/","title":{"rendered":"Waf-5"},"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 Waf-5?<\/h3>\n<p style=\"margin:0;\"><strong>Waf-5<\/strong> is 5 mg warfarin tablets from a WHO-GMP certified manufacturer &mdash; vitamin K antagonist (VKA) &mdash; oral anticoagulant. Warfarin was introduced in 1954 after synthesis from dicoumarol (the rat poison compound that caused cattle haemorrhage after spoiled sweet clover consumption in 1920s Wisconsin). Named after the Wisconsin Alumni Research Foundation (WARF) that funded its development. Remains essential for mechanical heart valves, moderate-severe mitral stenosis, and patients where DOACs are contraindicated. blocks vitamin K epoxide reductase (VKORC1), preventing regeneration of reduced vitamin K required for carboxylation of clotting factors II, VII, IX, X and proteins C and S. Takes 3-5 days to reach full effect (factor II half-life ~60 hours). Dosing: <strong>Individualised to INR target<\/strong> (2.0-3.0 for most indications; 2.5-3.5 for mechanical valves). Starting dose 5 mg daily for 2-3 days then adjusted by INR; 2-4 mg daily typical maintenance; wide inter-individual variation driven by CYP2C9 and VKORC1 genotype plus diet. <strong>GI-bloedingrisico stijgt 2-4 keer; groot bloedingsrisico ~0,5-1%\/jaar bij monotherapie. Voeg PPI toe voor pati\u00ebnten met hoog GI-risico. De keuze van antistollings- en antiplaatjesmiddelen wordt individueel bepaald op basis van diagnose, bloedingsrisico, nierfunctie en geneesmiddelinteracties. Specialistische of huisartsbegeleiding is standaard.<\/strong> major bleeding ~3-5%\/year at therapeutic INR; rises sharply with supratherapeutic INR, acute illness, and interacting drugs. Reversal with vitamin K (slow, hours), 4-factor PCC, or fresh frozen plasma (emergencies). Anticoagulant and antiplatelet selection is individualised to diagnosis, bleeding risk, renal function, and drug interactions. Specialist or family-physician supervision is standard.<\/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>Wat u krijgt bij MedsBase:<\/strong> WHO-GMP gecertificeerde fabrikant \u00b7 Discrete verpakking \u00b7 Wereldwijde verzending \u00b7 1.400+ geverifieerde <a href=\"https:\/\/medsbase.com\/nl\/reviews\/\">klantbeoordelingen<\/a>\n<\/div>\n<p class=\"medsbase-reship-line\" style=\"font-size:14px;color:#444;margin:8px 0 18px;\">\ud83d\udce6 Elke bestelling is gedekt door onze <a href=\"https:\/\/medsbase.com\/nl\/medsbase-re-shipment-assurance-policy\/\"><strong>Reshipment Assurance Policy<\/strong><\/a> \u2014 als uw pakket niet binnen 20 werkdagen arriveert, sturen wij het opnieuw.<\/p>\n<h3>Waarom bestellen bij MedsBase<\/h3>\n<p>Onze generieke medicijnen zijn afkomstig van WHO-GMP gecertificeerde fabrikanten en worden wereldwijd verzonden in discrete, eenvoudige verpakkingen \u2014 geen medicijnnaam op de buitenkant van het pakket. Betalingen met kaart worden verwerkt via een gereguleerde processor (betalingsoverzichten vermelden een gereguleerde kaartbetalingprocessor \u2014 nooit \u201cMedsBase\u201d of een medicijnnaam). Crypto en SEPA bankoverschrijvingen worden ook geaccepteerd. Elke bestelling wordt ondersteund door ons Reshipment Assurance Policy.<\/p>\n<h2 class=\"wp-block-heading\">What Is Waf-5?<\/h2>\n<p>Waf-5 is 5 mg warfarin tablets from a WHO-GMP certified manufacturer, supplied in 30-180 tablets. Warfarin was introduced in 1954 after synthesis from dicoumarol (the rat poison compound that caused cattle haemorrhage after spoiled sweet clover consumption in 1920s Wisconsin). Named after the Wisconsin Alumni Research Foundation (WARF) that funded its development. Remains essential for mechanical heart valves, moderate-severe mitral stenosis, and patients where DOACs are contraindicated.<\/p>\n<h2 class=\"wp-block-heading\">Hoe Warfarine Werkt<\/h2>\n<p>Warfarin blocks vitamin K epoxide reductase (VKORC1), preventing regeneration of reduced vitamin K required for carboxylation of clotting factors II, VII, IX, X and proteins C and S. Takes 3-5 days to reach full effect (factor II half-life ~60 hours).<\/p>\n<h2 class=\"wp-block-heading\">Goedgekeurde Toepassingen<\/h2>\n<ul>\n<li><strong>Mechanische hartkleppen<\/strong> &mdash; only warfarin is approved (DOACs are contraindicated)<\/li>\n<li><strong>Moderate-severe mitral stenosis with AF<\/strong> &mdash; warfarin preferred<\/li>\n<li><strong>Atriumfibrilleren<\/strong> &mdash; DOACs are now first-line in most markets; warfarin remains where DOACs are contraindicated (severe CKD, concurrent strong inhibitors)<\/li>\n<li><strong>VTE treatment and secondary prevention<\/strong> &mdash; largely displaced by DOACs<\/li>\n<li><strong>Antiphospholipid syndrome<\/strong> &mdash; warfarin still preferred (RCTs suggested DOAC inferiority)<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Dosering<\/h2>\n<p><strong>Individualised to INR target<\/strong> (2.0-3.0 for most indications; 2.5-3.5 for mechanical valves). Starting dose 5 mg daily for 2-3 days then adjusted by INR; 2-4 mg daily typical maintenance; wide inter-individual variation driven by CYP2C9 and VKORC1 genotype plus diet.<\/p>\n<h2 class=\"wp-block-heading\">Bloedingsrisico en monitoring<\/h2>\n<p><strong>GI-bloedingrisico stijgt 2-4 keer; groot bloedingsrisico ~0,5-1%\/jaar bij monotherapie. Voeg PPI toe voor pati\u00ebnten met hoog GI-risico. De keuze van antistollings- en antiplaatjesmiddelen wordt individueel bepaald op basis van diagnose, bloedingsrisico, nierfunctie en geneesmiddelinteracties. Specialistische of huisartsbegeleiding is standaard.<\/strong> major bleeding ~3-5%\/year at therapeutic INR; rises sharply with supratherapeutic INR, acute illness, and interacting drugs. Reversal with vitamin K (slow, hours), 4-factor PCC, or fresh frozen plasma (emergencies).<\/p>\n<p><strong>INR monitoring is essential.<\/strong> Check every 3-4 days on initiation until stable; then weekly-fortnightly for a month; then monthly once stable (or longer in experienced patients). Acute illness, antibiotic courses, diet changes, and new medications all warrant earlier checks.<\/p>\n<h2 class=\"wp-block-heading\">Bijwerkingen<\/h2>\n<ul>\n<li>Bleeding &mdash; major 3-5%\/year at therapeutic INR<\/li>\n<li>Warfarin skin necrosis (rare; 3-10 days after initiation, especially in protein C\/S deficiency)<\/li>\n<li>Purple toe syndrome (rare cholesterol embolisation)<\/li>\n<li>Hair loss<\/li>\n<li>Hepatotoxiciteit (zeldzaam)<\/li>\n<li>INR instability &mdash; diet changes, acute illness, interacting drugs all destabilise<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Contra-indicaties<\/h2>\n<ul>\n<li>Active bleeding<\/li>\n<li>Ernstige ongecontroleerde hypertensie<\/li>\n<li>Recent major surgery or trauma<\/li>\n<li>Active peptic ulcer<\/li>\n<li>Ernstige leverfunctiestoornis<\/li>\n<li>Pregnancy &mdash; warfarin is teratogenic (first trimester) and causes fetal haemorrhage (third trimester); use LMWH<\/li>\n<li>Planned pregnancy (use LMWH)<\/li>\n<li>Inability to attend INR monitoring<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Geneesmiddelinteracties<\/h2>\n<ul>\n<li><strong>Many drugs alter INR &mdash; extensive interaction list.<\/strong> Notable: <strong>antibiotica<\/strong> (ciprofloxacin, metronidazole, trimethoprim-sulfamethoxazole, erythromycin, clarithromycin raise INR; rifampicin lowers it), <strong>amiodarone<\/strong> (roughly doubles INR), <strong>fluconazole, miconazole<\/strong> (raise INR substantially), <strong>phenytoin, carbamazepine, rifampicin<\/strong> (lower INR).<\/li>\n<li><strong>Dietary vitamin K<\/strong> &mdash; large changes in vitamin K intake (leafy greens) destabilise INR. Keep intake consistent rather than avoiding vitamin K entirely.<\/li>\n<li><strong>Alcohol<\/strong> &mdash; acute heavy intake raises INR; chronic heavy intake can lower it. Moderate, consistent intake is OK.<\/li>\n<li><strong>NSAIDs, SSRIs, antiplatelets<\/strong> &mdash; additive bleeding without INR change.<\/li>\n<li><strong>Warfarin sensitivity is genotype-dependent<\/strong> &mdash; CYP2C9 and VKORC1 variants affect required dose 2-3 fold.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Opslag<\/h2>\n<p>Store Waf-5 below 25&deg;C. Keep out of reach of children.<\/p>\n<h2 id=\"faqs\">Veelgestelde vragen<\/h2>\n<h3 class=\"wp-block-heading\">Do I need blood tests on Waf-5?<\/h3>\n<p>Yes &mdash; INR monitoring is essential (every 3-4 days initially, stabilising to every 1-4 weeks). This is warfarin&rsquo;s main practical burden.<\/p>\n<h3 class=\"wp-block-heading\">What should I do if I cut myself while on Waf-5?<\/h3>\n<p>Oefen gedurende 15-20 minuten stevige directe druk uit zonder te kijken. De meeste kleine snijwonden stoppen normaal; bloedingen die langer dan 20 minuten duren of door meerdere verbanden heen bloeden vereisen dringende medische beoordeling. Meld zwarte of bloederige ontlasting, helderrood rectaal bloedverlies, hematurie, onverklaarbare blauwe plekken, neusbloedingen langer dan 15 minuten of veel hevigere menstruatiebloedingen dan normaal.<\/p>\n<h3 class=\"wp-block-heading\">Can I take Waf-5 in pregnancy?<\/h3>\n<p>No &mdash; warfarin is teratogenic in first trimester and causes fetal haemorrhage in third. Switch to LMWH before conception.<\/p>\n<h3 class=\"wp-block-heading\">Wat als ik een operatie nodig heb?<\/h3>\n<p>Inform the surgical team well in advance. Warfarin is typically stopped 5 days before major surgery; may require bridging with LMWH in high thrombosis risk.<\/p>\n<h3 class=\"wp-block-heading\">Where can I buy Waf-5 online?<\/h3>\n<p>You can buy Waf-5 (warfarin 5 mg, 30-180 tablets) from MedsBase with discreet packaging and worldwide shipping.<\/p>\n<h2 class=\"wp-block-heading\">Gerelateerde cardiovasculaire medicatie<\/h2>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/nl\/aldactone\/\">Aldactone \u2014 Spironolacton<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/cordarone\/\">Cordarone \u2014 Amiodarone 100\/200 mg<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/ecopril\/\">Ecopril \u2014 Clopidogrel 75 mg (plaatjesaggregatieremmer)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/lonitab\/\">Lonitab \u2014 Minoxidil 5 mg (orale vaatverwijder)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/rioci-1\/\">Rioci 1 \u2014 Riociguat 1 mg (sGC-stimulator voor PAH)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/vymada\/\">Vymada \u2014 Sacubitril\/Valsartan ARNI<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/high-blood-pressure-medication\/\"><strong>Bekijk alle hoge bloeddruk medicijnen<\/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 Medisch disclaimer.<\/strong> Deze pagina is alleen voor informatieve doeleinden en vervangt geen medisch advies van een gekwalificeerde zorgverlener. Hypertensie, hartfalen en aritmie\u00ebn vereisen diagnose, monitoring en doseringsindividualisatie door een arts \u2014 gebruik b\u00e8tablokkers altijd onder medische begeleiding.<\/div>\n<p><!-- medsbase-related-alts-v1 --><\/p>\n<h3 class=\"wp-block-heading\">Gerelateerde alternatieven<\/h3>\n<p>Andere producten in <strong>Chronische aandoeningen<\/strong> die klanten ook bekijken:<\/p>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/nl\/p-nolol-sr\/\">P-Nolol SR<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/choltran-sachet\/\">Choltran Sachet<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/admenta\/\">Admenta<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/omnacortil\/\">Omnacortil<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/nl\/veenat\/\">Veenat<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Waf-5 is warfarin 5 mg tablets \u2014 the reference vitamin K antagonist. Introduced 1954; still essential for mechanical heart valves, moderate-severe mitral stenosis, and antiphospholipid syndrome where DOACs are contraindicated. Dose individualised to INR (2.0-3.0 most indications, 2.5-3.5 mechanical valves). Extensive drug and dietary interactions; CYP2C9\/VKORC1 genotype-dependent sensitivity. Regular INR monitoring mandatory. Reversed by vitamin K or 4-factor PCC.<\/p>","protected":false},"featured_media":59772,"comment_status":"open","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[3635,3141,3223,3342,3260,3356],"product_tag":[4741,4742],"class_list":{"0":"post-59771","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-anti-coagulants","7":"product_cat-category-overview","8":"product_cat-chronic-conditions","9":"product_cat-general-health","10":"product_cat-heart-blood-pressure","11":"product_cat-high-blood-pressure-medication","12":"product_tag-waf-5","13":"product_tag-warfarin","15":"first","16":"instock","17":"shipping-taxable","18":"purchasable","19":"product-type-variable","20":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/product\/59771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/comments?post=59771"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/media\/59772"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/media?parent=59771"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/product_brand?post=59771"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/product_cat?post=59771"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/nl\/wp-json\/wp\/v2\/product_tag?post=59771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}