Virest 400 contains Aciclovir (Acyclovir), a potent antiviral medication used to treat infections caused by herpes simplex virus (HSV) and varicella-zoster virus (VZV). It effectively manages cold sores, shingles, chickenpox, and genital herpes.UsesVirest 400 is primarily prescribed for:Treatment of cold sores around the mouth (herpes labialis)Management of shingles (herpes zoster)Treatment of chickenpoxControl of genital herpes outbreaksTreatment of herpes simplex encephalitisPrevention of herpes infections in immunocompromised patientsManagement of severe mucocutaneous herpes infectionsBenefitsReduces severity and duration of viral outbreaksPrevents viral spread and recurrenceShortens healing time for cold sores and shinglesEffective for both treatment and suppression therapyWell-tolerated with good safety profileHighly specific for virus-infected cellsSuitable for long-term suppression therapyCan be used preventively in immunocompromised patientsHow It WorksVirest 400 contains Aciclovir, a synthetic nucleoside analogue that interferes with viral DNA replication. It’s selectively activated by viral thymidine kinase in infected cells, making it highly specific. This mechanism inhibits viral reproduction, effectively controlling infection spread without harming healthy cells.DosageConditionDosageDurationCold sores400mg 3× daily5-10 daysShingles800mg 5× daily7-10 daysChickenpox800mg 4× daily5 daysGenital herpes400mg 3× daily5-10 daysDosage may be adjusted for immunocompromised patients or those with kidney impairment. Always follow healthcare provider’s instructions.Duration of ActionVirest 400 has a half-life of 2-3 hours in adults with normal kidney function. However, antiviral effects persist longer due to its mechanism. When taken as prescribed (3-5 times daily), it maintains therapeutic levels to suppress viral replication effectively.Side EffectsCommon side effects include nausea, vomiting, headache, dizziness, diarrhea, and abdominal pain. Some patients experience skin rash or itching. Serious but rare side effects include kidney problems, neurological reactions like confusion or hallucinations, severe allergic reactions, and blood disorders.WarningPatients with kidney problems require dosage adjustment. Adequate hydration is important during treatment, especially for high-dose therapy or elderly patients. Seek immediate medical attention if severe allergic reactions or neurological symptoms occur. Monitor kidney function during prolonged treatment.Pregnancy and BreastfeedingVirest 400 is generally considered safe during pregnancy but should be used only when clearly needed. Aciclovir is excreted in breast milk, so caution is advised when breastfeeding. Consult your healthcare provider for personalized guidance based on individual circumstances.InteractionMay interact with drugs affecting kidney functionPotential interaction with immunosuppressants like mycophenolate mofetilProbenecid can increase aciclovir blood levelsCaution advised when used with nephrotoxic drugsMay require monitoring when combined with certain medicationsPrecautionUse cautiously in patients with kidney impairment, dehydration, or neurological disorders. Maintain adequate fluid intake during therapy. Elderly patients require careful monitoring. Inform healthcare provider about all current medications. Regular kidney function tests may be necessary during prolonged treatment with Virest 400.Important InformationStart Virest 400 treatment as soon as possible after symptom onset for best results. Complete the full course even if symptoms improve. For suppression of recurrent genital herpes, daily therapy may be necessary. Maintain good hygiene to prevent spreading infection. Store at room temperature away from moisture and heat. Product Image Gallery Customer questions & answers Have a question about this product? Your question * Name * Email * Notify me when answered. Recent Popular Unanswered There are no questions yet. Be the first to ask a question about this product. Tailored for Your Unique Needs Alfavir Tablet 25mg (Tenofovir) x10₦20,000.00Rated 0 out of 5 Alfavir Tablet 25mg is used to treat HIV-1 infection in... Add to cart Sun Aciclovir 400mg Tablet x56₦24,500.00Rated 0 out of 5 Sun Aciclovir 400mg treats and prevents viral infections caused by... Add to cart Osivir Infusion 500mg (Aciclovir) x1 Vial₦7,000.00Rated 0 out of 5 Osivir Infusion 500mg is used for severe herpes simplex infections,... Add to cart Ranbaxy Aciclovir 200mg Tablet x25₦17,000.00Rated 0 out of 5 Ranbaxy Aciclovir 200mg Tablet is used to treat infections caused... 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