{"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\/cs\/product\/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>Riziko krv\u00e1cen\u00ed:<\/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>Co z\u00edsk\u00e1te s MedsBase:<\/strong> V\u00fdrobce certifikovan\u00fd WHO-GMP \u00b7 Diskr\u00e9tn\u00ed balen\u00ed \u00b7 Celosv\u011btov\u00e1 doprava \u00b7 V\u00edce ne\u017e 1 400 ov\u011b\u0159en\u00fdch <a href=\"https:\/\/medsbase.com\/cs\/reviews\/\">recenz\u00ed z\u00e1kazn\u00edk\u016f<\/a>\n<\/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<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\">Jak warfarin funguje<\/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\">Schv\u00e1len\u00e9 indikace<\/h2>\n<ul>\n<li><strong>Mechanick\u00e9 srde\u010dn\u00ed chlopn\u011b<\/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>Fibrilace s\u00edn\u00ed<\/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\">D\u00e1vkov\u00e1n\u00ed<\/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\">Riziko krv\u00e1cen\u00ed a monitorov\u00e1n\u00ed<\/h2>\n<p><strong>Riziko krv\u00e1cen\u00ed:<\/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\">Vedlej\u0161\u00ed \u00fa\u010dinky<\/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>Hepatotoxicita (vz\u00e1cn\u011b)<\/li>\n<li>INR instability &mdash; diet changes, acute illness, interacting drugs all destabilise<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Kontraindikace<\/h2>\n<ul>\n<li>Active bleeding<\/li>\n<li>T\u011b\u017ek\u00e1 nekontrolovan\u00e1 hypertenze<\/li>\n<li>Recent major surgery or trauma<\/li>\n<li>Active peptic ulcer<\/li>\n<li>T\u011b\u017ek\u00e9 jatern\u00ed po\u0161kozen\u00ed<\/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\">Interakce s l\u00e9\u010divy<\/h2>\n<ul>\n<li><strong>Many drugs alter INR &mdash; extensive interaction list.<\/strong> Notable: <strong>antibiotika<\/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>Alkohol<\/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\">Skladov\u00e1n\u00ed<\/h2>\n<p>Store Waf-5 below 25&deg;C. Keep out of reach of children.<\/p>\n<h2 id=\"faqs\">\u010casto kladen\u00e9 dotazy<\/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>P\u0159ilo\u017ete pevn\u00fd p\u0159\u00edm\u00fd tlak po dobu 15-20 minut bez kontroly. V\u011bt\u0161ina drobn\u00fdch \u0159ez\u016f se norm\u00e1ln\u011b zastav\u00ed; krv\u00e1cen\u00ed trvaj\u00edc\u00ed d\u00e9le ne\u017e 20 minut nebo prosakuj\u00edc\u00ed p\u0159es v\u00edce obvaz\u016f vy\u017eaduje neodkladn\u00e9 l\u00e9ka\u0159sk\u00e9 vy\u0161et\u0159en\u00ed. Nahlaste jakoukoli \u010dernou nebo krvavou stolici, jasn\u011b \u010derven\u00e9 rekt\u00e1ln\u00ed krv\u00e1cen\u00ed, hematurii, nevysv\u011btliteln\u00e9 mod\u0159iny, krv\u00e1cen\u00ed z nosu trvaj\u00edc\u00ed d\u00e9le ne\u017e 15 minut nebo menstrua\u010dn\u00ed krv\u00e1cen\u00ed v\u00fdrazn\u011b siln\u011bj\u0161\u00ed ne\u017e obvykle.<\/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\">Co kdy\u017e pot\u0159ebuji operaci?<\/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\">Souvisej\u00edc\u00ed kardiovaskul\u00e1rn\u00ed l\u00e9ky<\/h2>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/aldactone\/\">Aldactone \u2014 Spironolakton<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/cordarone\/\">Cordarone \u2014 Amiodarone 100\/200 mg<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/ecopril\/\">Ecopril \u2014 Clopidogrel 75 mg (antiagregancium)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/lonitab\/\">Lonitab \u2014 Minoxidil 5 mg (or\u00e1ln\u00ed vazodilat\u00e1tor)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/rioci-1\/\">Rioci 1 \u2014 Riociguat 1 mg (stimul\u00e1tor sGC pro PAH)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/vymada\/\">Vymada \u2014 Sacubitril\/Valsartan ARNI<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/high-blood-pressure-medication\/\"><strong>Prohl\u00e9dnout v\u0161echny l\u00e9ky na vysok\u00fd krevn\u00ed tlak<\/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> Tato str\u00e1nka slou\u017e\u00ed pouze pro informa\u010dn\u00ed \u00fa\u010dely a nenahrazuje l\u00e9ka\u0159skou p\u00e9\u010di kvalifikovan\u00e9ho zdravotnick\u00e9ho pracovn\u00edka. Hypertenze, srde\u010dn\u00ed selh\u00e1n\u00ed a arytmie vy\u017eaduj\u00ed diagn\u00f3zu, monitorov\u00e1n\u00ed a individu\u00e1ln\u00ed d\u00e1vkov\u00e1n\u00ed l\u00e9ka\u0159em \u2014 v\u017edy u\u017e\u00edvejte betablok\u00e1tory pod l\u00e9ka\u0159sk\u00fdm dohledem.<\/div>\n<p><!-- medsbase-related-alts-v1 --><\/p>\n<h3 class=\"wp-block-heading\">Souvisej\u00edc\u00ed alternativy<\/h3>\n<p>Dal\u0161\u00ed produkty v <strong>Chronick\u00e1 onemocn\u011bn\u00ed<\/strong> kter\u00e9 z\u00e1kazn\u00edci tak\u00e9 prohl\u00ed\u017eej\u00ed:<\/p>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/p-nolol-sr\/\">P-Nolol SR<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/choltran-sachet\/\">Ezedoc<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/admenta\/\">Admenta<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/omnacortil\/\">Omnacortil<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/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\/cs\/wp-json\/wp\/v2\/product\/59771","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=59771"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media\/59772"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media?parent=59771"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_brand?post=59771"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_cat?post=59771"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_tag?post=59771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}