Denavir
(Penciclovir)Denavir Overview
Denavir is used to treat "cold sores/fever blisters" (herpes labialis). It can speed up healing of the sores and decrease symptoms (such as tingling, pain, burning, itching). Penciclovir belongs to a class of medications known as antivirals. It works by stopping the growth of the virus. Denavir does not cure herpes, and it does not prevent passing the infection to someone else. It does not prevent future occurrences.
How to Use Denavir
Use Denavir at the first sign of infection (such as tingling, burning, redness, or sores). Wash your hands with soap and water before and after applying Denavir. Clean and dry the affected areas before applying the medication. Apply a thin layer of penciclovir cream to completely cover the area of the cold sore or the area of tingling/itching/redness/swelling, and rub in gently. Apply the cream as directed by your doctor, usually every 2 hours (except during sleep) for 4 days. Apply to skin only. Do not apply Denavir in or near the eyes since Denavir can irritate the eyes. If you do get medication in your eyes, flush with plenty of water. Do not apply inside the mouth or nose. Dosage of Denavir is based on your medical condition and response to treatment. Do not use Denavir more often or for longer than prescribed. Use Denavir regularly to get the most benefit from it. Denavir works best when the amount of drug absorbed by the skin stays at a constant level. Use Denavir at evenly spaced intervals. To help you remember, use it at the same times each day. Cold sores (herpes) can spread easily. Penciclovir cream does not prevent the spread of herpes. Avoid close physical contact with others (such as kissing) during an outbreak until the cold sores have completely healed. Also, try not to touch the cold sore, and wash your hands if you do touch the cold sore. Tell your doctor if your condition lasts or gets worse after treatment is finished.
Denavir Precautions
Before using penciclovir, tell your doctor or pharmacist if you are allergic to it; or to famciclovir; or if you have any other allergies. Denavir may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using Denavir, tell your doctor or pharmacist your medical history. Tell your doctor if you are pregnant before using Denavir. Denavir does not pass into breast milk. Consult your doctor before breast-feeding.
Denavir Misdose
If you miss a dose of Denavir, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.
Denavir Interactions
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Denavir Side Effects
Redness, burning, stinging, or numbness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that Denavir has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using Denavir do not have serious side effects. A very serious allergic reaction to Denavir is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction,rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Denavir Storage
Store Denavir at room temperature. Firmly screw the cap back on the tube of medication after each use. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard Denavir when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
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