{"id":56978,"date":"2024-02-27T17:16:44","date_gmt":"2024-02-27T17:16:44","guid":{"rendered":"https:\/\/medsname.com\/penvir\/"},"modified":"2026-04-30T10:17:16","modified_gmt":"2026-04-30T10:17:16","slug":"penvir","status":"publish","type":"product","link":"https:\/\/medsbase.com\/cs\/product\/penvir\/","title":{"rendered":"Penvir"},"content":{"rendered":"<p><!-- medsbase-tldr-answer --><\/p>\n<div style=\"background:#fff8e1;border-left:4px solid #f5a623;padding:18px 22px;margin:18px 0;border-radius:4px;\">\n<p style=\"margin:0 0 8px 0;\"><strong>\ud83d\udca1 Rychl\u00e1 odpov\u011b\u010f<\/strong><\/p>\n<p style=\"margin:0;\"><strong>Penvir<\/strong> je <strong>famciclovir<\/strong>, p\u0159edpisov\u00e9 antivirotikum, kter\u00e9 je prol\u00e9\u010divem pencikloviru pro l\u00e9\u010dbu genit\u00e1ln\u00edho oparu (HSV-2), opar\u016f rt\u016f (HSV-1) a p\u00e1sov\u00e9ho oparu (VZV). Penciklovir m\u00e1 prodlou\u017een\u00fd intracelul\u00e1rn\u00ed polo\u010das (~10 hodin) \u2014 proto je d\u00e1vkov\u00e1n\u00ed famcikloviru m\u00e9n\u011b p\u0159\u00edsn\u00e9 ne\u017e u acikloviru. Typick\u00e9 ambulantn\u00ed d\u00e1vkov\u00e1n\u00ed je jednou a\u017e dvakr\u00e1t denn\u011b.<\/p>\n<\/div>\n<div class=\"medsbase-trust-strip\" style=\"background:#f6f7fb;border:1px solid #e3e5ee;border-radius:8px;padding:14px 18px;margin:18px 0;font-size:14px;line-height:1.55;\"><strong>Co z\u00edsk\u00e1te s MedsBase:<\/strong> Dod\u00e1v\u00e1no od v\u00fdrobce certifikovan\u00e9ho WHO-GMP \u00b7 Diskr\u00e9tn\u00ed balen\u00ed \u00b7 Celosv\u011btov\u00e1 doprava \u00b7 <a href=\"\/cs\/reviews\/\" rel=\"noopener\">1 400+ ov\u011b\u0159en\u00fdch recenz\u00ed 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>Objedn\u00e1v\u00e1n\u00ed z MedsBase v\u00e1m zaji\u0161\u0165uje dod\u00e1vky od v\u00fdrobce certifikovan\u00e9ho WHO-GMP, diskr\u00e9tn\u00ed balen\u00ed v oby\u010dejn\u00e9 ob\u00e1lce, celosv\u011btovou dopravu a hodnocen\u00ed 4,9\u2605 od v\u00edce ne\u017e 1 400 ov\u011b\u0159en\u00fdch z\u00e1kazn\u00edk\u016f. Platby kartou jsou sm\u011brov\u00e1ny p\u0159es regulovan\u00fd krypto-on-ramp \u2014 popis na v\u00fdpisu z va\u0161eho bankovn\u00edho \u00fa\u010dtu bude obsahovat jm\u00e9no procesoru (regulovan\u00e9ho procesoru plateb kartou), nikdy \u201cMedsBase\u201d nebo n\u00e1zev l\u00e9ku. Ka\u017ed\u00e1 z\u00e1silka je pokryta na\u0161\u00edm <a href=\"\/cs\/medsbase-re-shipment-assurance-policy\/\" rel=\"noopener\">Z\u00e1rukou op\u011btovn\u00e9ho odesl\u00e1n\u00ed<\/a>.<\/p>\n<h2><strong>Co je Penvir?<\/strong><\/h2>\n<p>Penvir je zna\u010dkov\u00fd generick\u00fd p\u0159\u00edpravek <strong>famciclovir<\/strong>, or\u00e1ln\u00edho prol\u00e9\u010diva pencikloviru. Famciklovir m\u00e1 ~77% or\u00e1ln\u00ed biologickou dostupnost (ve srovn\u00e1n\u00ed s ~5% u p\u0159\u00edmo pod\u00e1van\u00e9ho or\u00e1ln\u00edho pencikloviru a ~15\u201320% u or\u00e1ln\u00edho acikloviru). V bu\u0148k\u00e1ch infikovan\u00fdch herpesvirem penciklovir trifosf\u00e1t blokuje virovou DNA polymer\u00e1zu \u2014 stejn\u00fd kone\u010dn\u00fd mechanismus jako aciklovir.<\/p>\n<p>Klinickou v\u00fdhodou famcikloviru je <strong>intracelul\u00e1rn\u00ed perzistence<\/strong>: penciklovirtrifosf\u00e1t m\u00e1 polo\u010das rozpadu v\u00edce ne\u017e 10 hodin v infikovan\u00fdch bu\u0148k\u00e1ch, ve srovn\u00e1n\u00ed s p\u0159ibli\u017en\u011b 1 hodinou u aciklovirtrifosf\u00e1tu. To umo\u017e\u0148uje famcikloviru m\u00e9n\u011b \u010dast\u00e9 d\u00e1vkov\u00e1n\u00ed. Dostupn\u00e9 v s\u00edle <strong>250 mg, 500 mg<\/strong>.<\/p>\n<h2><strong>Klinick\u00e9 pou\u017eit\u00ed<\/strong><\/h2>\n<ul>\n<li><strong>Genit\u00e1ln\u00ed herpes (prvn\u00ed epizoda):<\/strong> 250 mg t\u0159ikr\u00e1t denn\u011b po dobu 7\u201310 dn\u016f<\/li>\n<li><strong>Genit\u00e1ln\u00ed herpes (opakovan\u00e9 epizody):<\/strong> 1000 mg dvakr\u00e1t denn\u011b po dobu jednoho dne, NEBO 125 mg dvakr\u00e1t denn\u011b po dobu 5 dn\u016f<\/li>\n<li><strong>Genit\u00e1ln\u00ed herpes (supresivn\u00ed l\u00e9\u010dba):<\/strong> 250 mg dvakr\u00e1t denn\u011b<\/li>\n<li><strong>Opary (herpes labialis):<\/strong> 1500 mg jako jednor\u00e1zov\u00e1 d\u00e1vka, do 1 hodiny od prodromu<\/li>\n<li><strong>P\u00e1sov\u00fd opar (herpes zoster):<\/strong> 500 mg t\u0159ikr\u00e1t denn\u011b po dobu 7 dn\u016f \u2014 za\u010dn\u011bte do 72 hodin od v\u00fdsevu vyr\u00e1\u017eky<\/li>\n<li><strong>Rekurentn\u00ed HSV u HIV-pozitivn\u00edch pacient\u016f:<\/strong> 500 mg dvakr\u00e1t denn\u011b po dobu 7 dn\u016f<\/li>\n<\/ul>\n<h2><strong>Jak u\u017e\u00edvat<\/strong><\/h2>\n<ol>\n<li>Tabletu spolkn\u011bte celou se sklenic\u00ed vody, s j\u00eddlem nebo bez j\u00eddla.<\/li>\n<li>Za\u010dn\u011bte p\u0159i prvn\u00edch p\u0159\u00edznac\u00edch v\u00fdsevu (brn\u011bn\u00ed, p\u00e1len\u00ed, sv\u011bd\u011bn\u00ed) \u2014 jednor\u00e1zov\u00fd re\u017eim na opary funguje pouze p\u0159i pod\u00e1n\u00ed do 1 hodiny od prodromu.<\/li>\n<li>Z\u016fsta\u0148te dob\u0159e hydratovan\u00ed; famciclovir se vylu\u010duje ledvinami.<\/li>\n<li>Dokon\u010dete cel\u00fd kurz, i kdy\u017e p\u0159\u00edznaky ustoup\u00ed.<\/li>\n<\/ol>\n<h2><strong>Vedlej\u0161\u00ed \u00fa\u010dinky<\/strong><\/h2>\n<p><strong>\u010cast\u00e9 (\u22651 %):<\/strong> bolesti hlavy, nevolnost, pr\u016fjem, \u00fanava. Obecn\u011b m\u00edrn\u00e9.<\/p>\n<p><strong>M\u00e9n\u011b \u010dast\u00e9:<\/strong> vyr\u00e1\u017eka, z\u00e1vrat\u011b.<\/p>\n<p><strong>Vz\u00e1cn\u00e9 z\u00e1va\u017en\u00e9:<\/strong> p\u0159echodn\u00e9 zv\u00fd\u0161en\u00ed jatern\u00edch enzym\u016f, n\u00edzk\u00e9 po\u010dty krevn\u00edch desti\u010dek, akutn\u00ed po\u0161kozen\u00ed ledvin p\u0159i velmi vysok\u00fdch d\u00e1vk\u00e1ch u dehydratovan\u00fdch pacient\u016f.<\/p>\n<h2><strong>Kdo by nem\u011bl u\u017e\u00edvat Penvir<\/strong><\/h2>\n<ul>\n<li>Zn\u00e1m\u00e1 hypersenzitivita na famciclovir nebo penciclovir<\/li>\n<li>Je nutn\u00e1 redukce d\u00e1vkov\u00e1n\u00ed p\u0159i clearence kreatininu &lt;60 mL\/min<\/li>\n<li>Opatrnost b\u011bhem t\u011bhotenstv\u00ed \u2013 m\u00e9n\u011b \u00fadaj\u016f o bezpe\u010dnosti ne\u017e u acikloviru; konzultujte s l\u00e9ka\u0159em<\/li>\n<li>D\u011bdi\u010dn\u00e1 intolerance galakt\u00f3zy (n\u011bkter\u00e9 formulace obsahuj\u00ed lakt\u00f3zu)<\/li>\n<\/ul>\n<h2><strong>Interakce s l\u00e9\u010divy<\/strong><\/h2>\n<ul>\n<li><strong>Probenecid, cimetidin:<\/strong> Inhibitory oxidu aldehydu.<\/li>\n<li><strong>(nap\u0159. raloxifen): mohou sn\u00ed\u017eit p\u0159em\u011bnu famcicloviru.<\/strong> (nap\u0159. raloxifen): m\u016f\u017ee sni\u017eovat p\u0159em\u011bnu famcikloviru.<\/li>\n<li>Skladujte p\u0159i pokojov\u00e9 teplot\u011b (15\u201330 \u00b0C \/ 59\u201386 \u00b0F), mimo dosah vlhkosti a sv\u011btla. Uchov\u00e1vejte v p\u016fvodn\u00edm blistru. Uchov\u00e1vejte mimo dosah d\u011bt\u00ed.<\/li>\n<\/ul>\n<h2><strong>Skladov\u00e1n\u00ed<\/strong><\/h2>\n<p>Uchov\u00e1vejte p\u0159i pokojov\u00e9 teplot\u011b (15\u201330 \u00b0C \/ 59\u201386 \u00b0F), mimo vlhkost a sv\u011btlo. Uchov\u00e1vejte v p\u016fvodn\u00edm blistru. Uchov\u00e1vejte mimo dosah d\u011bt\u00ed.<\/p>\n<h2><strong>Famciclovir vs Valacyclovir vs Aciclovir<\/strong><\/h2>\n<p>V\u0161echny t\u0159i jsou antivirotika prvn\u00ed volby pro HSV\/VZV s porovnatelnou \u00fa\u010dinnost\u00ed p\u0159i spr\u00e1vn\u00e9m d\u00e1vkov\u00e1n\u00ed. Jedine\u010dnou v\u00fdhodou famcicloviru je jeho dlouh\u00fd intracelul\u00e1rn\u00ed polo\u010das, kter\u00fd umo\u017e\u0148uje jednor\u00e1zovou l\u00e9\u010dbu oparu. Valacyclovir vede v pohodl\u00ed p\u0159i denn\u00ed supresi. Aciclovir z\u016fst\u00e1v\u00e1 nejv\u00fdhodn\u011bj\u0161\u00ed cenov\u011b. Volba obvykle z\u00e1vis\u00ed na d\u00e1vkovac\u00edm sch\u00e9matu, cen\u011b a preferenci l\u00e9ka\u0159e.<\/p>\n<p>Pod\u00edvejte se na \u00fapln\u00e9 srovn\u00e1n\u00ed: <a href=\"https:\/\/medsbase.com\/cs\/herpes-antivirals-daily-vs-episodic-treatment\/\"><strong>Denn\u00ed vs. epizodick\u00e1 l\u00e9\u010dba oparu<\/strong><\/a>.<\/p>\n<h2 id=\"faqs\">\u010casto kladen\u00e9 dotazy<\/h2>\n<h3 class=\"wp-block-heading\">L\u00e9\u010d\u00ed Penvir opar?<\/h3>\n<p>Ne. Penvir potla\u010duje replikaci viru a zkracuje v\u00fdsevy, ale nem\u016f\u017ee virus eliminovat. Opar z\u016fst\u00e1v\u00e1 latentn\u00ed v nervov\u00fdch gangli\u00edch po cel\u00fd \u017eivot.<\/p>\n<h3 class=\"wp-block-heading\">Je jednor\u00e1zov\u00fd re\u017eim pro opar skute\u010dn\u011b \u00fa\u010dinn\u00fd?<\/h3>\n<p>Ano, ale na\u010dasov\u00e1n\u00ed je kl\u00ed\u010dov\u00e9. 1500 mg jako jednor\u00e1zov\u00e1 d\u00e1vka, u\u017eit\u00e1 do 1 hodiny od prodrom\u00e1ln\u00edho brn\u011bn\u00ed, zkracuje trv\u00e1n\u00ed l\u00e9ze a bolest srovnateln\u011b s 5denn\u00edm re\u017eimem acicloviru. Pokud toto okno prop\u00e1snete, benefit kles\u00e1.<\/p>\n<h3 class=\"wp-block-heading\">Jak se famciclovir li\u0161\u00ed od valacycloviru?<\/h3>\n<p>Oba jsou prol\u00e9\u010diva. Famciclovir se p\u0159em\u011b\u0148uje na penciclovir; valacyclovir na aciclovir. Kl\u00ed\u010dov\u00fd praktick\u00fd rozd\u00edl je v del\u0161\u00edm intracelul\u00e1rn\u00edm polo\u010dasu pencicloviru (~10 h) oproti acicloviru (~1 h). Famciclovir proto umo\u017e\u0148uje m\u00e9n\u011b \u010dast\u00e9 d\u00e1vkov\u00e1n\u00ed a jednor\u00e1zov\u00fd re\u017eim pro opar, co\u017e aciclovir\/valacyclovir nedok\u00e1\u017ee.<\/p>\n<h3 class=\"wp-block-heading\">Mohu u\u017e\u00edvat Penvir b\u011bhem t\u011bhotenstv\u00ed?<\/h3>\n<p>M\u00e9n\u011b bezpe\u010dnostn\u00edch dat ne\u017e u acicloviru nebo valacycloviru. V\u011bt\u0161ina l\u00e9ka\u0159\u016f preferuje aciclovir\/valacyclovir v t\u011bhotenstv\u00ed. Proberte se sv\u00fdm gynekologem.<\/p>\n<h3 class=\"wp-block-heading\">Jak rychle Penvir zab\u00edr\u00e1?<\/h3>\n<p>P\u0159i epizodick\u00e9 l\u00e9\u010db\u011b v\u011bt\u0161ina pacient\u016f poc\u00edt\u00ed zlep\u0161en\u00ed do 24\u201348 hodin. Hojen\u00ed l\u00e9z\u00ed je urychleno o 1\u20132 dny oproti nel\u00e9\u010den\u00e9mu stavu.<\/p>\n<h3 class=\"wp-block-heading\">Co kdy\u017e vynech\u00e1m d\u00e1vku?<\/h3>\n<p>Vezm\u011bte si ho, jakmile si vzpomenete, pokud nen\u00ed t\u00e9m\u011b\u0159 \u010das na dal\u0161\u00ed d\u00e1vku. Nikdy ned\u00e1vejte dvojitou d\u00e1vku.<\/p>\n<h3 class=\"wp-block-heading\">M\u016f\u017ee se famciclovir pou\u017e\u00edt na p\u00e1sov\u00fd opar?<\/h3>\n<p>Ano \u2014 500 mg t\u0159ikr\u00e1t denn\u011b po dobu 7 dn\u016f. Za\u010dn\u011bte do 72 hodin od v\u00fdsevu vyr\u00e1\u017eky pro nejlep\u0161\u00ed v\u00fdsledek, zejm\u00e9na pro sn\u00ed\u017een\u00ed rizika postherpetick\u00e9 neuralgie.<\/p>\n<h3 class=\"wp-block-heading\">Existuj\u00ed n\u011bjak\u00e9 interakce s hormon\u00e1ln\u00ed antikoncepc\u00ed?<\/h3>\n<p>\u017d\u00e1dn\u00e1 klinicky v\u00fdznamn\u00e1 interakce. Hormon\u00e1ln\u00ed antikoncepce z\u016fst\u00e1v\u00e1 \u00fa\u010dinn\u00e1.<\/p>\n<h3 class=\"wp-block-heading\">Souvisej\u00edc\u00ed produkty a pr\u016fvodci<\/h3>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/valacyclovir-vs-acyclovir\/\">Pr\u016fvodce: Valaciklovir vs. Aciklovir<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/herpes-antivirals-daily-vs-episodic-treatment\/\">Denn\u00ed vs. epizodick\u00e1 l\u00e9\u010dba oparu<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/valclovir\/\">Valclovir (Valacyclovir)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/valovera\/\">Valovera (Valacyclovir)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/valcosign\/\">Valcosign (Valacyclovir)<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/acivir-200-dt\/\">Acivir 200 DT (Aciclovir)<\/a><\/li>\n<\/ul>\n<div style=\"background:#fff3f3;border-left:4px solid #d9534f;padding:14px 20px;margin:16px 0;border-radius:4px;font-size:0.9em;\">\n<p style=\"margin:0;\"><strong>\u2695\ufe0f L\u00e9ka\u0159sk\u00e9 upozorn\u011bn\u00ed:<\/strong> Informace na t\u00e9to str\u00e1nce slou\u017e\u00ed pouze pro vzd\u011bl\u00e1vac\u00ed \u00fa\u010dely a nenahrazuj\u00ed l\u00e9ka\u0159skou pomoc. P\u0159ed zah\u00e1jen\u00edm, ukon\u010den\u00edm nebo zm\u011bnou jak\u00e9hokoli l\u00e9ku se v\u017edy pora\u010fte s kvalifikovan\u00fdm l\u00e9ka\u0159em. L\u00e9ky na p\u0159edpis by m\u011bly b\u00fdt u\u017e\u00edv\u00e1ny pouze pod l\u00e9ka\u0159sk\u00fdm dohledem.<\/p>\n<\/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>Sexu\u00e1ln\u00ed zdrav\u00ed<\/strong> kter\u00e9 z\u00e1kazn\u00edci tak\u00e9 prohl\u00ed\u017eej\u00ed:<\/p>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/valovera\/\">Valovera<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/acivir-200-dt\/\">Acivir 200 DT<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/imiquad-cream\/\">Imiquad kr\u00e9m<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/neckcin-100-dt\/\">Neckcin 100 DT<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/valclovir\/\">Valclovir<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u2705 L\u00e9\u010d\u00ed virov\u00e9 infekce<br \/>\n\u2705 Zkracuje dobu trv\u00e1n\u00ed opar\u016f<br \/>\n\u2705 Zm\u00edr\u0148uje p\u0159\u00edznaky p\u00e1sov\u00e9ho oparu<br \/>\n\u2705 P\u0159edepsan\u00e9 antivirotikum<br \/>\n\u2705 Mo\u017enost peror\u00e1ln\u00ed medikace<\/p>\n<p>Penvir obsahuje Famciclovir.<\/p>","protected":false},"featured_media":56979,"comment_status":"open","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[3141,3832,3337],"product_tag":[4212,4213],"class_list":{"0":"post-56978","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-category-overview","7":"product_cat-genital-herpes-treatment","8":"product_cat-sexual-health","9":"product_tag-famciclovir","10":"product_tag-penvir","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\/56978","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=56978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media\/56979"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media?parent=56978"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_brand?post=56978"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_cat?post=56978"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_tag?post=56978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}