antiviral<\/a> medication utilized for the treatment of specific viral infections.<\/p>\nMechanism of Action<\/h2>\n
Famvir inhibits viral DNA polymerase, impairing viral replication. The active form, penciclovir, competes with deoxyguanosine triphosphate, thereby arresting viral DNA synthesis.<\/p>\n
Primary Uses<\/h2>\n
Famvir is prescribed for the management of herpes zoster (shingles), herpes simplex in immunocompromised patients, and recurrent genital herpes.<\/p>\n
Dosage Forms<\/h2>\n
Famvir is available in tablet form: 125 mg, 250 mg, and 500 mg strengths. Dosage strength and duration depend on the specific condition being treated.<\/p>\n
Administration Guidelines<\/h2>\n
Take Famvir with or without food. Swallow the tablets whole with water. Adhere to prescribed schedules to maintain consistent therapeutic levels.<\/p>\n
Adult Dosage<\/h2>\n
For herpes zoster: 500 mg every 8 hours for 7 days. For recurrent genital herpes: 125 mg twice daily for 5 days. For mucocutaneous herpes simplex: 500 mg twice daily for 7 days.<\/p>\n
Renal Adjustments<\/h2>\n
Dosage adjustments are required for patients with impaired renal function. Dosing schedules must be tailored based on creatinine clearance levels.<\/p>\n
Pharmacokinetics<\/h2>\n
Famvir undergoes rapid absorption and conversion to penciclovir. Peak plasma concentrations occur within 1 to 2 hours post-administration. Renal excretion is the primary route of elimination.<\/p>\n
Potential Side Effects<\/h2>\n
Common side effects include headache, nausea, and diarrhea. Serious, yet rare, side effects include jaundice and acute kidney failure.<\/p>\n
Drug Interactions<\/h2>\n
Famvir may interact with other medications metabolized by renal pathways. Co-administration with probenecid can increase penciclovir plasma concentrations.<\/p>\n
Pediatric Use<\/h2>\n
The safety and efficacy of Famvir in pediatric patients have not been established. It is primarily used in adult patients with specified viral infections.<\/p>\n
Geriatric Considerations<\/h2>\n
In elderly patients, increased monitoring for renal function is recommended due to the prevalent decline in renal function with age, influencing drug clearance.<\/p>\n
Pregnancy Categories<\/h2>\n
Classified under Pregnancy Category B. Animal studies have shown no fetal risk, but there are no adequate, well-controlled studies in pregnant women.<\/p>\n
Breastfeeding Guidance<\/h2>\n
Famvir is excreted in human milk. Consider the potential risks and benefits before administering to breastfeeding mothers.<\/p>\n
Contraindications<\/h2>\n
Famvir is contraindicated in patients with hypersensitivity to famciclovir, penciclovir, or any component of the formulation.<\/p>\n
Overdose Management<\/h2>\n
In case of an overdose, initiate supportive measures and symptomatic treatment. Hemodialysis can be used to reduce circulating levels of the drug.<\/p>\n
Storage Conditions<\/h2>\n
Store at 20\u00b0C to 25\u00b0C (68\u00b0F to 77\u00b0F). Keep the medication in its original container, tightly closed, and protect it from moisture and light.<\/p>\n
Missed Dose Protocol<\/h2>\n
If a dose is missed, take it as soon as possible. If it is near the time of the next dose, skip the missed dose. Do not double dose to catch up.<\/p>\n
Precautionary Tests<\/h2>\n
Regular kidney function tests are recommended during prolonged treatment. Monitor the patient for signs of renal impairment and adjust dosage accordingly.<\/p>\n
Patient Counselling Information<\/h2>\n
Inform patients of the importance of adherence to prescribed regimens, recognizing side effects, and consulting healthcare providers for symptomatic concerns.<\/p>\n
Brand Alternatives<\/h2>\n
Famvir is the brand name; generic versions containing the same active ingredient, famciclovir, are also available and may offer cost advantages.<\/p>\n","protected":false},"excerpt":{"rendered":"
Famvir is a medication with the active ingredient famciclovir. It is also known by the name Famciclovir. Famvir is used to treat viral infections such as herpes zoster (shingles) and genital herpes.<\/p>\n
Famvir Price Information<\/h2>\n
The general pricing of Famvir is in the range of \u00a33.88 – \u00a34.85 for each pills. The amount and type of active ingredients (10 or 60 mg) determine its exact cost.<\/p>\n","protected":false},"featured_media":479,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[393],"product_tag":[],"class_list":{"0":"post-449","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-anti-viral","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-external"},"_links":{"self":[{"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/product\/449","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/comments?post=449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/media\/479"}],"wp:attachment":[{"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/media?parent=449"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/product_brand?post=449"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/product_cat?post=449"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hamptonhealthpharmacy.co.uk\/online\/wp-json\/wp\/v2\/product_tag?post=449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}