{"id":58714,"date":"2024-02-28T05:24:45","date_gmt":"2024-02-28T05:24:45","guid":{"rendered":"https:\/\/medsname.com\/meftal\/"},"modified":"2026-05-01T10:49:14","modified_gmt":"2026-05-01T10:49:14","slug":"meftal","status":"publish","type":"product","link":"https:\/\/medsbase.com\/cs\/product\/meftal\/","title":{"rendered":"Meftal"},"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;\">\u26a1 Rychl\u00e1 odpov\u011b\u010f \u2014 Co je Meftal?<\/h3>\n<p style=\"margin:0;\"><strong>Meftal<\/strong> je zna\u010dka <strong>mefenamovou kyselinu<\/strong>, p\u0159edepisovan\u00e9 NSAID pou\u017e\u00edvan\u00e9 p\u0159i menstrua\u010dn\u00edch k\u0159e\u010d\u00edch, m\u00edrn\u00e9 a\u017e st\u0159edn\u00ed bolesti, hore\u010dce a z\u00e1n\u011btech. K dispozici ve form\u011b <strong>250 mg dispergovateln\u00fdch tablet a 500 mg b\u011b\u017en\u00fdch tablet<\/strong>. Obvykl\u00e1 d\u00e1vka pro dosp\u011bl\u00e9: 500 mg zpo\u010d\u00e1tku, pot\u00e9 250 mg ka\u017ed\u00fdch 6 hodin podle pot\u0159eby po dobu a\u017e 7 dn\u00ed. U\u017e\u00edvejte s j\u00eddlem, abyste minimalizovali podr\u00e1\u017ed\u011bn\u00ed \u017ealudku.<\/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<p><strong>Meftal<\/strong> je \u0161iroce d\u016fv\u011bryhodn\u00e1 <strong>mefenamovou kyselinu<\/strong> tableta pou\u017e\u00edvan\u00e1 k \u00falev\u011b od <strong>menstrua\u010dn\u00edch k\u0159e\u010d\u00ed, m\u00edrn\u00e9 a\u017e st\u0159edn\u00ed bolesti, hore\u010dky a z\u00e1n\u011bt\u016f<\/strong>. Vyrobeno podle farmaceutick\u00fdch norem, Meftal je k dispozici ve form\u011b <strong>250 mg dispergovateln\u00fdch tablet (DT)<\/strong> a <strong>500 mg b\u011b\u017en\u00fdch tablet<\/strong>, co\u017e poskytuje p\u0159edepisuj\u00edc\u00edm l\u00e9ka\u0159\u016fm flexibiln\u00ed d\u00e1vkov\u00e1n\u00ed pro dosp\u011bl\u00e9 i d\u011btsk\u00e9 pacienty. Ka\u017ed\u00e1 tableta obsahuje stejnou \u00fa\u010dinnou l\u00e1tku jako origin\u00e1ln\u00ed p\u0159\u00edpravky Ponstan a Ponstel \u2014 za zlomek ceny.<\/p>\n<p>Jako z\u00e1stupce <strong>fenam\u00e1tov\u00e9 t\u0159\u00eddy nesteroidn\u00edch protiz\u00e1n\u011btliv\u00fdch l\u00e9k\u016f (NSAID)<\/strong>, je kyselina mefenamov\u00e1 klinicky pou\u017e\u00edv\u00e1na v\u00edce ne\u017e 50 let a je prvn\u00ed volbou mnoha gynekolog\u016f pro prim\u00e1rn\u00ed dysmenoreu.<\/p>\n<h2 class=\"wp-block-heading\">Co je Meftal?<\/h2>\n<p>Meftal je indick\u00e1 obchodn\u00ed zna\u010dka pro <strong>mefenamovou kyselinu<\/strong> \u2014 p\u0159edpisov\u00e9 NSAID pou\u017e\u00edvan\u00e9 jako analgetikum, antipyretikum a protiz\u00e1n\u011btliv\u00fd prost\u0159edek. Na rozd\u00edl od paracetamolu, kter\u00fd p\u016fsob\u00ed t\u00e9m\u011b\u0159 v\u00fdhradn\u011b na centr\u00e1ln\u00ed nervov\u00fd syst\u00e9m, kyselina mefenamov\u00e1 p\u016fsob\u00ed p\u0159\u00edmo v m\u00edst\u011b poran\u011bn\u00ed blokov\u00e1n\u00edm enzym\u016f produkuj\u00edc\u00edch prostaglandiny. To ji \u010din\u00ed obzvl\u00e1\u0161t\u011b \u00fa\u010dinnou pro bolest zp\u016fsobenou z\u00e1n\u011btem nebo stahy hladk\u00e9ho svalstva.<\/p>\n<p>Tablety Meftal jsou nej\u010dast\u011bji p\u0159edepisov\u00e1ny pro:<\/p>\n<ul>\n<li><strong>Prim\u00e1rn\u00ed dysmenorea<\/strong> (menstrua\u010dn\u00ed k\u0159e\u010de)<\/li>\n<li><strong>M\u00edrn\u00e9 a\u017e st\u0159edn\u011b siln\u00e9 muskuloskelet\u00e1ln\u00ed bolesti<\/strong> \u2014 bolesti zad, nata\u017een\u00ed, v\u00fdrony<\/li>\n<li><strong>Bolest po zubn\u00edm z\u00e1kroku a po operaci<\/strong><\/li>\n<li><strong>Bolesti hlavy a migr\u00e9ny<\/strong><\/li>\n<li><strong>Hore\u010dka spojen\u00e1 se z\u00e1n\u011btem<\/strong><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Jak Meftal funguje?<\/h2>\n<p>Kyselina mefenamov\u00e1 je <strong>neselektivn\u00ed inhibitor cyklooxygen\u00e1zy (COX)<\/strong>. Prostaglandiny jsou lipidov\u00e9 medi\u00e1tory produkovan\u00e9 enzymy COX-1 a COX-2, kter\u00e9 jsou zodpov\u011bdn\u00e9 za zv\u00fd\u0161en\u00ed citlivosti bolestiv\u00fdch receptor\u016f, vyvol\u00e1n\u00ed z\u00e1n\u011btu, zv\u00fd\u0161en\u00ed t\u011blesn\u00e9 teploty p\u0159i infekci a zp\u016fsobuj\u00ed d\u011blo\u017en\u00ed stahy b\u011bhem menstruace. Zde je postup tohoto procesu:<\/p>\n<ul>\n<li>Po\u0161kozen\u00ed tk\u00e1n\u011b, infekce nebo hormon\u00e1ln\u00ed signalizace aktivuje <strong>COX-1 a COX-2<\/strong><\/li>\n<li>Enzymy COX p\u0159em\u011b\u0148uj\u00ed kyselinu arachidonovou na <strong>prostaglandiny (PGE\u2082, PGF\u2082\u03b1)<\/strong> a tromboxany<\/li>\n<li>Tyto prostaglandiny zvy\u0161uj\u00ed citlivost nociceptor\u016f, roz\u0161i\u0159uj\u00ed c\u00e9vy a zp\u016fsobuj\u00ed stahy hladk\u00e9ho svalstva<\/li>\n<li><strong>Meftal blokuje COX<\/strong>, sni\u017euje produkci prostaglandin\u016f a p\u0159\u00edmo zm\u00edr\u0148uje bolest, otoky, hore\u010dku a menstrua\u010dn\u00ed k\u0159e\u010de<\/li>\n<li>Mefenamov\u00e1 kyselina m\u00e1 tak\u00e9 <strong>mal\u00fd dal\u0161\u00ed \u00fa\u010dinek jako antagonista receptor\u016f prostaglandinu<\/strong>, co\u017e p\u0159isp\u00edv\u00e1 k jej\u00edmu siln\u00e9mu analgetick\u00e9mu profilu u dysmenorey<\/li>\n<\/ul>\n<p>N\u00e1stup \u00fa\u010dinku obvykle trv\u00e1 <strong>30\u201360 minut<\/strong>, s maxim\u00e1ln\u00ed plazmatickou koncentrac\u00ed dosa\u017eenou p\u0159ibli\u017en\u011b za 2\u20134 hodiny. Polo\u010das v plazm\u011b je kr\u00e1tk\u00fd (~2 hodiny), proto se Meftal obvykle pod\u00e1v\u00e1 ka\u017ed\u00fdch 6\u20138 hodin.<\/p>\n<h2 class=\"wp-block-heading\">Pou\u017eit\u00ed a indikace<\/h2>\n<ul>\n<li><strong>Prim\u00e1rn\u00ed dysmenorea<\/strong> \u2014 mefenamov\u00e1 kyselina je speci\u00e1ln\u011b schv\u00e1lena pro menstrua\u010dn\u00ed bolesti a je uzn\u00e1v\u00e1na jako prvn\u00ed volba podle Royal College of Obstetricians and Gynaecologists<\/li>\n<li><strong>Menoragie (siln\u00e9 menstrua\u010dn\u00ed krv\u00e1cen\u00ed)<\/strong> \u2014 m\u016f\u017ee sn\u00ed\u017eit krevn\u00ed ztr\u00e1tu o 20\u201350 % p\u0159i u\u017e\u00edv\u00e1n\u00ed b\u011bhem menstruace<\/li>\n<li><strong>Akutn\u00ed bolest<\/strong> \u2014 poopera\u010dn\u00ed, po zubn\u00edch z\u00e1kroc\u00edch, svalov\u00e9 a traumatick\u00e9 bolesti<\/li>\n<li><strong>Osteoartr\u00f3za a revmatoidn\u00ed artritida<\/strong> \u2014 kr\u00e1tkodob\u00e1 symptomatick\u00e1 \u00faleva od ztuhlosti kloub\u016f a z\u00e1n\u011btu<\/li>\n<li><strong>Hore\u010dka<\/strong> \u2014 kdy\u017e samotn\u00fd paracetamol nesta\u010d\u00ed nebo je \u017e\u00e1douc\u00ed tak\u00e9 protiz\u00e1n\u011btliv\u00fd \u00fa\u010dinek<\/li>\n<li><strong>Bolesti hlavy a tenzn\u00ed typ bolesti<\/strong><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">D\u00e1vkov\u00e1n\u00ed a pod\u00e1v\u00e1n\u00ed Meftalu<\/h2>\n<table>\n<thead>\n<tr>\n<th>Indikace<\/th>\n<th>Doporu\u010den\u00e1 d\u00e1vka<\/th>\n<th>Frekvence \/ D\u00e9lka l\u00e9\u010dby<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Dysmenorea (menstrua\u010dn\u00ed k\u0159e\u010de)<\/strong><\/td>\n<td>500 mg (po\u010d\u00e1te\u010dn\u00ed) pot\u00e9 250 mg<\/td>\n<td>Ka\u017ed\u00fdch 6 hodin, po\u010d\u00ednaje n\u00e1stupem bolesti; max. 3 dny<\/td>\n<\/tr>\n<tr>\n<td><strong>Menoragie (siln\u00e9 krv\u00e1cen\u00ed)<\/strong><\/td>\n<td>500 mg<\/td>\n<td>3\u00d7 denn\u011b, po\u010d\u00ednaje 1. dnem menstruace, max. 5 dn\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u00edrn\u00e1 a\u017e st\u0159edn\u00ed bolest (dosp\u011bl\u00ed)<\/strong><\/td>\n<td>500 mg (po\u010d\u00e1te\u010dn\u00ed) pot\u00e9 250 mg<\/td>\n<td>Ka\u017ed\u00fdch 6 hodin podle pot\u0159eby; max. 7 dn\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>Hore\u010dka<\/strong><\/td>\n<td>500 mg (po\u010d\u00e1te\u010dn\u00ed) pot\u00e9 250 mg<\/td>\n<td>Ka\u017ed\u00fdch 6 hodin; max. 7 dn\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u011bti 6 m\u011bs\u00edc\u016f \u2013 14 let<\/strong><\/td>\n<td>25 mg\/kg\/den v rozd\u011blen\u00fdch d\u00e1vk\u00e1ch<\/td>\n<td>Pouze pod pediatrick\u00fdm dohledem; max. 7 dn\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>Senio\u0159i (65+)<\/strong><\/td>\n<td>250 mg<\/td>\n<td>Ka\u017ed\u00fdch 8 hodin; nejni\u017e\u0161\u00ed \u00fa\u010dinn\u00e1 d\u00e1vka<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u00edrn\u00e9 a\u017e st\u0159edn\u00ed po\u0161kozen\u00ed ledvin<\/strong><\/td>\n<td>250 mg<\/td>\n<td>Pou\u017e\u00edvejte opatrn\u011b; sledujte funkci ledvin<\/td>\n<\/tr>\n<tr>\n<td><strong>Maxim\u00e1ln\u00ed denn\u00ed d\u00e1vka pro dosp\u011bl\u00e9<\/strong><\/td>\n<td>1 500 mg (t\u0159i tablety po 500 mg)<\/td>\n<td>Nep\u0159ekra\u010dujte<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 class=\"wp-block-heading\">Jak spr\u00e1vn\u011b u\u017e\u00edvat Meftal<\/h3>\n<ul>\n<li>Tabletu spolkn\u011bte celou a zapijte plnou sklenic\u00ed vody<\/li>\n<li><strong>V\u017edy u\u017e\u00edvejte Meftal s j\u00eddlem nebo ml\u00e9kem<\/strong> \u2014 to sni\u017euje riziko podr\u00e1\u017ed\u011bn\u00ed \u017ealudku, nej\u010dast\u011bj\u0161\u00edho vedlej\u0161\u00edho \u00fa\u010dinku NSAID<\/li>\n<li>P\u0159i menstrua\u010dn\u00edch k\u0159e\u010d\u00edch, <strong>za\u010dn\u011bte p\u0159i prvn\u00edch zn\u00e1mk\u00e1ch bolesti<\/strong> nebo v den za\u010d\u00e1tku menstruace \u2014 d\u0159\u00edv\u011bj\u0161\u00ed u\u017eit\u00ed poskytuje lep\u0161\u00ed \u00falevu<\/li>\n<li>Pro dispergovateln\u00e9 tablety (250 mg DT), pokud je to \u017e\u00e1douc\u00ed, rozpus\u0165te v l\u017e\u00edci vody p\u0159ed spolknut\u00edm<\/li>\n<li>Nep\u0159est\u00e1vejte <strong>neu\u017e\u00edvejte Meftal d\u00e9le ne\u017e 7 po sob\u011b jdouc\u00edch dn\u016f<\/strong> bez l\u00e9ka\u0159sk\u00e9 kontroly<\/li>\n<li>Pokud je d\u00e1vka vynech\u00e1na a dal\u0161\u00ed d\u00e1vka je do 2 hodin, vynechanou d\u00e1vku vynechejte \u2014 nedvojn\u00e1sobujte d\u00e1vku<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Vedlej\u0161\u00ed \u00fa\u010dinky Meftalu<\/h2>\n<p>V\u011bt\u0161ina lid\u00ed sn\u00e1\u0161\u00ed Meftal dob\u0159e, kdy\u017e je u\u017e\u00edv\u00e1n kr\u00e1tkodob\u011b v doporu\u010den\u00fdch d\u00e1vk\u00e1ch. Vedlej\u0161\u00ed \u00fa\u010dinky jsou z\u00e1visl\u00e9 na d\u00e1vce a pravd\u011bpodobn\u011bj\u0161\u00ed p\u0159i dlouhodob\u00e9m u\u017e\u00edv\u00e1n\u00ed.<\/p>\n<table>\n<thead>\n<tr>\n<th>Z\u00e1va\u017enost<\/th>\n<th>Vedlej\u0161\u00ed \u00fa\u010dinek<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u010cast\u00e9 (\u22651 ze 100)<\/strong><\/td>\n<td>Dyspepsie, nevolnost, bolesti b\u0159icha, pr\u016fjem, p\u00e1len\u00ed \u017e\u00e1hy, z\u00e1vrat\u011b, ospalost, bolest hlavy<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u00e9n\u011b \u010dast\u00e9 (1 ze 100 \u2013 1 z 1 000)<\/strong><\/td>\n<td>Ko\u017en\u00ed vyr\u00e1\u017eka, sv\u011bd\u011bn\u00ed, otoky, tinnitus, zv\u00fd\u0161en\u00e9 jatern\u00ed enzymy<\/td>\n<\/tr>\n<tr>\n<td><strong>Vz\u00e1cn\u00e9 (&lt;1 z 1 000)<\/strong><\/td>\n<td>Gastrointestin\u00e1ln\u00ed krv\u00e1cen\u00ed nebo ulcerace, hemolytick\u00e1 an\u00e9mie, akutn\u00ed po\u0161kozen\u00ed ledvin, bronchospasmus (zejm\u00e9na u pacient\u016f citliv\u00fdch na NSAID), fotosenzitivita<\/td>\n<\/tr>\n<tr>\n<td><strong>Velmi vz\u00e1cn\u00e9 \/ z\u00e1va\u017en\u00e9<\/strong><\/td>\n<td>Stevens\u016fv-Johnson\u016fv syndrom, hepatitida, aseptick\u00e1 meningitida, agranulocyt\u00f3za, anafylaxe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Okam\u017eit\u011b vyhledejte l\u00e9ka\u0159skou pomoc<\/strong> pokud si v\u0161imnete \u010dern\u00e9 nebo dehtovit\u00e9 stolice, zvracen\u00ed krve, siln\u00e9 bolesti b\u0159icha, ze\u017eloutnut\u00ed o\u010d\u00ed nebo k\u016f\u017ee, obt\u00ed\u017en\u00e9ho d\u00fdch\u00e1n\u00ed nebo rozs\u00e1hl\u00e9 ko\u017en\u00ed vyr\u00e1\u017eky.<\/p>\n<h2 class=\"wp-block-heading\">Varov\u00e1n\u00ed a opat\u0159en\u00ed<\/h2>\n<ul>\n<li><strong>Kardiovaskul\u00e1rn\u00ed riziko<\/strong> \u2013 stejn\u011b jako v\u0161echna NSAID m\u016f\u017ee kyselina mefenamov\u00e1 zv\u00fd\u0161it riziko infarktu nebo mrtvice p\u0159i vysok\u00fdch d\u00e1vk\u00e1ch nebo dlouhodob\u00e9m u\u017e\u00edv\u00e1n\u00ed<\/li>\n<li><strong>Riziko gastrointestin\u00e1ln\u00edch komplikac\u00ed<\/strong> \u2013 m\u016f\u017ee zp\u016fsobit v\u0159edy nebo krv\u00e1cen\u00ed, zejm\u00e9na u pacient\u016f nad 65 let nebo t\u011bch, kte\u0159\u00ed u\u017e\u00edvaj\u00ed antikoagulancia, kortikosteroidy nebo jin\u00e1 NSAID<\/li>\n<li><strong>Funkce ledvin<\/strong> \u2014 vyvarujte se p\u0159i dehydrataci, srde\u010dn\u00edm selh\u00e1n\u00ed nebo v\u00fdznamn\u00e9m po\u0161kozen\u00ed ledvin; mefenamov\u00e1 kyselina je vylu\u010dov\u00e1na ledvinami<\/li>\n<li><strong>Astma<\/strong> \u2014 pacienti s anamn\u00e9zou bronchospasmu vyvolan\u00e9ho aspirinem\/NSAID by nem\u011bli u\u017e\u00edvat Meftal<\/li>\n<li><strong>T\u011bhotenstv\u00ed<\/strong> \u2014 vyvarujte se b\u011bhem cel\u00e9ho t\u011bhotenstv\u00ed, zejm\u00e9na ve t\u0159et\u00edm trimestru (riziko p\u0159ed\u010dasn\u00e9ho uzav\u0159en\u00ed fet\u00e1ln\u00edho ductus arteriosus)<\/li>\n<li><strong>Kojen\u00ed<\/strong> \u2014 mal\u00e1 mno\u017estv\u00ed p\u0159ech\u00e1zej\u00ed do mate\u0159sk\u00e9ho ml\u00e9ka; kr\u00e1tkodob\u00e9 u\u017e\u00edv\u00e1n\u00ed je obecn\u011b p\u0159ijateln\u00e9, ale konzultujte s odborn\u00edkem<\/li>\n<li><strong>\u0158\u00edzen\u00ed vozidla<\/strong> \u2014 Meftal m\u016f\u017ee zp\u016fsobit ospalost nebo z\u00e1vrat\u011b; ne\u0159i\u010fte ani neobsluhujte stroje, dokud nev\u00edte, jak na v\u00e1s l\u00e9k p\u016fsob\u00ed<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Kontraindikace \u2014 Kdo by NEM\u011aL u\u017e\u00edvat Meftal<\/h2>\n<ul>\n<li>Aktivn\u00ed nebo recidivuj\u00edc\u00ed peptick\u00fd v\u0159ed nebo gastrointestin\u00e1ln\u00ed krv\u00e1cen\u00ed<\/li>\n<li>T\u011b\u017ek\u00e9 srde\u010dn\u00ed selh\u00e1n\u00ed, t\u011b\u017ek\u00e1 hypertenze nebo ned\u00e1vn\u00e1 operace koron\u00e1rn\u00edch tepen<\/li>\n<li>T\u011b\u017ek\u00e9 ren\u00e1ln\u00ed nebo jatern\u00ed posti\u017een\u00ed<\/li>\n<li>Zn\u00e1m\u00e1 p\u0159ecitliv\u011blost na mefenamovou kyselinu, aspirin nebo jin\u00e1 NSAID<\/li>\n<li>Z\u00e1n\u011btliv\u00e1 onemocn\u011bn\u00ed st\u0159ev (Crohnova choroba, ulcer\u00f3zn\u00ed kolitida) \u2014 NSAID mohou vyvolat vzplanut\u00ed<\/li>\n<li>T\u0159et\u00ed trimestr t\u011bhotenstv\u00ed<\/li>\n<li>D\u011bti mlad\u0161\u00ed 6 m\u011bs\u00edc\u016f<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Interakce s l\u00e9\u010divy<\/h2>\n<table>\n<thead>\n<tr>\n<th>L\u00e9\u010divo \/ T\u0159\u00edda<\/th>\n<th>Interakce<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Warfarin, apixaban, rivaroxaban<\/strong><\/td>\n<td>Zv\u00fd\u0161en\u00e9 riziko krv\u00e1cen\u00ed \u2014 spole\u010dn\u00e9mu pod\u00e1v\u00e1n\u00ed se obecn\u011b vyh\u00fdb\u00e1me<\/td>\n<\/tr>\n<tr>\n<td><strong>Lithium<\/strong><\/td>\n<td>Mefenamov\u00e1 kyselina sni\u017euje ren\u00e1ln\u00ed clearance \u2014 riziko toxicity lithia<\/td>\n<\/tr>\n<tr>\n<td><strong>Methotrex\u00e1t<\/strong><\/td>\n<td>Zv\u00fd\u0161en\u00e1 toxicita metotrex\u00e1tu, zejm\u00e9na p\u0159i vysok\u00fdch d\u00e1vk\u00e1ch MTX<\/td>\n<\/tr>\n<tr>\n<td><strong>ACE inhibitory, ARB, diuretika<\/strong><\/td>\n<td>Sn\u00ed\u017een\u00fd antihypertenzn\u00ed \u00fa\u010dinek; zv\u00fd\u0161en\u00e9 riziko akutn\u00edho po\u0161kozen\u00ed ledvin<\/td>\n<\/tr>\n<tr>\n<td><strong>Jin\u00e1 NSAID, aspirin, kortikosteroidy<\/strong><\/td>\n<td>Aditivn\u00ed gastrointestin\u00e1ln\u00ed toxicita \u2014 kombinaci se vyhn\u011bte<\/td>\n<\/tr>\n<tr>\n<td><strong>SSRI (sertralin, fluoxetin apod.)<\/strong><\/td>\n<td>Zv\u00fd\u0161en\u00e9 riziko gastrointestin\u00e1ln\u00edho krv\u00e1cen\u00ed<\/td>\n<\/tr>\n<tr>\n<td><strong>Ciclosporin, takrolimus<\/strong><\/td>\n<td>Zv\u00fd\u0161en\u00e1 nefrotoxicita<\/td>\n<\/tr>\n<tr>\n<td><strong>Chinolonov\u00e1 antibiotika<\/strong><\/td>\n<td>Mo\u017en\u00e9 zv\u00fd\u0161en\u00e9 riziko z\u00e1chvat\u016f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>P\u0159ed zah\u00e1jen\u00edm u\u017e\u00edv\u00e1n\u00ed p\u0159\u00edpravku Meftal v\u017edy sd\u011blte sv\u00e9mu l\u00e9ka\u0159i \u00fapln\u00fd seznam sou\u010dasn\u011b u\u017e\u00edvan\u00fdch l\u00e9k\u016f, v\u010detn\u011b voln\u011b prodejn\u00fdch p\u0159\u00edpravk\u016f a bylinn\u00fdch dopl\u0148k\u016f.<\/p>\n<h2 class=\"wp-block-heading\">Co d\u011blat v p\u0159\u00edpad\u011b p\u0159ed\u00e1vkov\u00e1n\u00ed<\/h2>\n<p>P\u0159\u00edznaky p\u0159ed\u00e1vkov\u00e1n\u00ed mefenamovou kyselinou zahrnuj\u00ed silnou nevolnost a zvracen\u00ed, bolesti b\u0159icha, ospalost, k\u0159e\u010de a v t\u011b\u017ek\u00fdch p\u0159\u00edpadech k\u00f3ma a akutn\u00ed selh\u00e1n\u00ed ledvin. Neexistuje specifick\u00e9 antidotum \u2014 l\u00e9\u010dba je podp\u016frn\u00e1, s pod\u00e1n\u00edm aktivn\u00edho uhl\u00ed, pokud je pacient p\u0159ijat do 1 hodiny po po\u017eit\u00ed. Okam\u017eit\u011b vyhledejte l\u00e9ka\u0159skou pomoc nebo kontaktujte m\u00edstn\u00ed toxikologick\u00e9 st\u0159edisko.<\/p>\n<h2 class=\"wp-block-heading\">Pokyny k uchov\u00e1v\u00e1n\u00ed<\/h2>\n<ul>\n<li>Skladujte p\u0159i teplot\u011b do 25 \u00b0C na such\u00e9m m\u00edst\u011b, mimo p\u0159\u00edm\u00e9 slune\u010dn\u00ed sv\u011btlo<\/li>\n<li>Uchov\u00e1vejte v p\u016fvodn\u00edm blistru a\u017e do pou\u017eit\u00ed<\/li>\n<li>Uchov\u00e1vejte mimo dosah d\u011bt\u00ed a dom\u00e1c\u00edch zv\u00ed\u0159at<\/li>\n<li>Nepou\u017e\u00edvejte po datu expirace uveden\u00e9m na obalu<\/li>\n<li>Nepou\u017eit\u00e9 tablety zlikvidujte prost\u0159ednictv\u00edm l\u00e9k\u00e1rensk\u00e9ho programu zp\u011btn\u00e9ho odb\u011bru, je-li k dispozici \u2014 nesplachujte do toalety.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Souvisej\u00edc\u00ed alternativy na MedsBase<\/h2>\n<p>Hled\u00e1te souvisej\u00edc\u00ed mo\u017enosti \u00falevy od bolesti nebo p\u0159\u00edznak\u016f?<\/p>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/ondem-injection\/\" rel=\"noopener\">Ondem Injection<\/a> \u2014 proti nevolnosti a zvracen\u00ed, kter\u00e9 \u010dasto doprov\u00e1zej\u00ed t\u011b\u017ekou dysmenoreu<\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/lox-2-jelly\/\" rel=\"noopener\">Lox 2% Jelly<\/a> \u2014 lok\u00e1ln\u00ed lidokain pro m\u00edstn\u00ed \u00falevu od bolesti<\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/placentrex-injection\/\" rel=\"noopener\">Placentrex Injekce<\/a> \u2014 pro chronick\u00e9 z\u00e1n\u011btliv\u00e9 stavy<\/li>\n<\/ul>\n<h2 id=\"faqs\">\u010casto kladen\u00e9 dotazy<\/h2>\n<h3 class=\"wp-block-heading\">Je Meftal to sam\u00e9 jako Meftal Spas?<\/h3>\n<p>Ne. Meftal obsahuje pouze mefenamovou kyselinu. <strong>Meftal Spas<\/strong> je kombinovan\u00e1 tableta obsahuj\u00edc\u00ed mefenamovou kyselinu a dicyklomin (antispasmodikum). Meftal Spas je \u010dasto up\u0159ednost\u0148ov\u00e1n, kdy\u017e jsou k\u0159e\u010de dominantn\u00edm p\u0159\u00edznakem; \u010dist\u00fd Meftal posta\u010duje, kdy\u017e je hlavn\u00edm probl\u00e9mem z\u00e1n\u011bt nebo hore\u010dka.<\/p>\n<h3 class=\"wp-block-heading\">Mohu u\u017e\u00edvat Meftal a paracetamol spole\u010dn\u011b?<\/h3>\n<p>Ano \u2014 mefenamov\u00e1 kyselina a paracetamol p\u016fsob\u00ed r\u016fzn\u00fdmi mechanismy a b\u011b\u017en\u011b se kombinuj\u00ed pro siln\u011bj\u0161\u00ed \u00falevu od bolesti. Nicm\u00e9n\u011b nekombinujte Meftal s jin\u00fdm NSAID, jako je ibuprofen, diklofenak nebo aspirin.<\/p>\n<h3 class=\"wp-block-heading\">Jak rychle Meftal zab\u00edr\u00e1 na menstrua\u010dn\u00ed k\u0159e\u010de?<\/h3>\n<p>V\u011bt\u0161ina \u017een zaznamen\u00e1 v\u00fdznamnou \u00falevu do 30\u201360 minut po u\u017eit\u00ed \u00favodn\u00ed d\u00e1vky 500 mg. \u00da\u010dinnost je nejvy\u0161\u0161\u00ed, kdy\u017e je Meftal u\u017eit p\u0159i <strong>prvn\u00edch zn\u00e1mk\u00e1ch bolesti.<\/strong> nebo dne, kdy obdob\u00ed za\u010d\u00edn\u00e1.<\/p>\n<h3 class=\"wp-block-heading\">Mohu u\u017e\u00edvat Meftal p\u0159i kojen\u00ed?<\/h3>\n<p>Kr\u00e1tkodob\u00e9 u\u017e\u00edv\u00e1n\u00ed mefenamov\u00e9 kyseliny v doporu\u010den\u00fdch d\u00e1vk\u00e1ch je obecn\u011b pova\u017eov\u00e1no za slu\u010diteln\u00e9 s kojen\u00edm, proto\u017ee do mate\u0159sk\u00e9ho ml\u00e9ka p\u0159ech\u00e1z\u00ed pouze velmi mal\u00e9 mno\u017estv\u00ed. V\u017edy se pora\u010fte se sv\u00fdm l\u00e9ka\u0159em nebo l\u00e9k\u00e1rn\u00edkem.<\/p>\n<h3 class=\"wp-block-heading\">Zp\u016fsobuje Meftal ospalost?<\/h3>\n<p>U n\u011bkter\u00fdch u\u017eivatel\u016f se m\u016f\u017ee objevit m\u00edrn\u00e1 ospalost nebo z\u00e1vrat\u011b, zejm\u00e9na na za\u010d\u00e1tku l\u00e9\u010dby. Ne\u0159i\u010fte ani neobsluhujte stroje, dokud nev\u00edte, jak na v\u00e1s Meftal p\u016fsob\u00ed.<\/p>\n<h3 class=\"wp-block-heading\">Mohu u\u017e\u00edvat Meftal nala\u010dno?<\/h3>\n<p>Nedoporu\u010duje se. Mefenamov\u00e1 kyselina m\u016f\u017ee dr\u00e1\u017edit \u017ealude\u010dn\u00ed sliznici; v\u017edy u\u017e\u00edvejte Meftal s j\u00eddlem, ml\u00e9kem nebo plnou sklenic\u00ed vody.<\/p>\n<h3 class=\"wp-block-heading\">Jak dlouho mohu u\u017e\u00edvat Meftal?<\/h3>\n<p>Doporu\u010duje se kr\u00e1tkodob\u00e9 u\u017e\u00edv\u00e1n\u00ed \u2013 obecn\u011b ne d\u00e9le ne\u017e 7 po sob\u011b jdouc\u00edch dn\u016f. Dlouhodob\u011bj\u0161\u00ed u\u017e\u00edv\u00e1n\u00ed by m\u011blo prob\u00edhat pouze pod l\u00e9ka\u0159sk\u00fdm dohledem a s monitorov\u00e1n\u00edm funkce ledvin a krevn\u00edho obrazu.<\/p>\n<h3 class=\"wp-block-heading\">Je Meftal bezpe\u010dn\u00fd v t\u011bhotenstv\u00ed?<\/h3>\n<p>Meftal by se m\u011bl v t\u011bhotenstv\u00ed vyhnout, zejm\u00e9na ve t\u0159et\u00edm trimestru, proto\u017ee m\u016f\u017ee zp\u016fsobit p\u0159ed\u010dasn\u00e9 uzav\u0159en\u00ed fet\u00e1ln\u00ed ductus arteriosus a sn\u00ed\u017eit mno\u017estv\u00ed plodov\u00e9 vody. Pokud pot\u0159ebujete v t\u011bhotenstv\u00ed \u00falevu od bolesti, pora\u010fte se se sv\u00fdm l\u00e9ka\u0159em o paracetamolu jako bezpe\u010dn\u011bj\u0161\u00ed alternativ\u011b.<\/p>\n<h3 class=\"wp-block-heading\">Interaguje Meftal s alkoholem?<\/h3>\n<p>Alkohol zvy\u0161uje riziko podr\u00e1\u017ed\u011bn\u00ed \u017ealudku a gastrointestin\u00e1ln\u00edho krv\u00e1cen\u00ed v kombinaci s jak\u00fdmkoli NSAID. B\u011bhem u\u017e\u00edv\u00e1n\u00ed Meftalu omezte nebo se vyhn\u011bte alkoholu.<\/p>\n<h3 class=\"wp-block-heading\">Jak\u00fd je rozd\u00edl mezi Meftal 250 mg DT a Meftal 500 mg?<\/h3>\n<p>Forma 250 mg DT (dispergovateln\u00e1 tableta) je ur\u010dena k rozpu\u0161t\u011bn\u00ed ve vod\u011b, co\u017e je u\u017eite\u010dn\u00e9 pro d\u011bti, star\u0161\u00ed pacienty nebo kohokoli s pot\u00ed\u017eemi s polyk\u00e1n\u00edm. Konven\u010dn\u00ed tableta 500 mg je standardn\u00ed s\u00edla pro dosp\u011bl\u00e9. D\u016fle\u017eit\u00e1 je celkov\u00e1 denn\u00ed d\u00e1vka \u2013 nikoli s\u00edla jednotliv\u00e9 tablety.<\/p>\n<p><!-- medsbase-faq-h3-converted --><\/p>\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\/budecort-inhaler\/\">Budecort Inhaler<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/carvego\/\">Carvego<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/maxiflo-rotacaps\/\">Maxiflo Rotacaps<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/riborea\/\">Riborea<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/lipaglyn\/\">Lipaglyn<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u2705 Ulevuje od menstrua\u010dn\u00ed bolesti<br \/>\n\u2705 Rychle sni\u017euje hore\u010dku<br \/>\n\u2705 Zm\u00edr\u0148uje bolesti hlavy<br \/>\n\u2705 Ulevuje od svalov\u00fdch k\u0159e\u010d\u00ed<br \/>\n\u2705 Potla\u010duje bolesti zub\u016f<\/p>\n<p>Meftal obsahuje kyselinu mefenamovou.<\/p>","protected":false},"featured_media":58715,"comment_status":"open","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[3141,3223,3555],"product_tag":[4553,4554],"class_list":{"0":"post-58714","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-category-overview","7":"product_cat-chronic-conditions","8":"product_cat-pain-relief-medication","9":"product_tag-mefenamic-acid","10":"product_tag-meftal","12":"first","13":"instock","14":"shipping-taxable","15":"purchasable","16":"product-type-variable","17":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product\/58714","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=58714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media\/58715"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media?parent=58714"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_brand?post=58714"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_cat?post=58714"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_tag?post=58714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}