Before using Zovirax Ointment (Acyclovir) 5%, tell your doctor or pharmacist if you are allergic to it; or to valZovirax Ointment (Acyclovir) 5%; or if you have any other allergies. This product may contain inactive ingredients (such as polyethylene glycol), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using Zovirax Ointment (Acyclovir) 5%, tell your doctor or pharmacist your medical history.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Cold sores can spread easily. Avoid close physical contact with others (such as kissing) during an outbreak until the cold sores have completely healed. Try not to touch the cold sore. If you do, wash your hands afterward.
To lower the chance of giving genital herpes to your partner, do not have sexual contact during an outbreak or if you have symptoms. You can spread genital herpes even if you do not have symptoms. Therefore, always use an effective barrier method (latex or polyurethane condoms/dental dams) during all sexual activity. Consult your doctor or pharmacist for more details.
Tell your doctor if you are pregnant before using Zovirax Ointment (Acyclovir) 5%. Discuss the risks and benefits with your doctor.
It is unknown if Zovirax Ointment (Acyclovir) 5% passes into breast milk. Consult your doctor before breast-feeding. Avoid breastfeeding if you have herpes sores on or near your breast.
Store at room temperature away from moisture. Do not store in the bathroom. 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 this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Zovirax Ointment (Acyclovir) 5% is used to treat the first outbreak of genital herpes infection. It is also used to treat non-life-threatening herpes infections of the skin and around the mouth (cold sores) in people with a weakened immune system. Zovirax Ointment (Acyclovir) 5% may decrease the length of time you have pain and help the sores heal faster. Zovirax Ointment (Acyclovir) 5% is an antiviral drug. It stops the growth of certain viruses.
Zovirax Ointment (Acyclovir) 5% does not cure herpes or prevent the infection from coming back. Also, it does not prevent the spread of herpes to others.
Other antiviral medications taken by mouth may be more effective in treating these conditions. Discuss your treatment options with your doctor.
Apply Zovirax Ointment (Acyclovir) 5% to skin only. Avoid getting Zovirax Ointment (Acyclovir) 5% in your eyes. If this happens, wash immediately with plenty of water.
Begin using Zovirax Ointment (Acyclovir) 5% as soon as symptoms of a herpes infection appear. Wash your hands with soap and water before and after using Zovirax Ointment (Acyclovir) 5%. Clean and dry the affected areas before applying the medication. Use a finger cot or rubber glove when applying Zovirax Ointment (Acyclovir) 5% to prevent spreading the infection to other parts of your body and to other people. Apply enough ointment to cover all sores, usually every 3 hours, 6 times a day, or as directed by your doctor. Continue to use Zovirax Ointment (Acyclovir) 5% for the full time prescribed.
Tell your doctor if your condition does not improve after 7 days of treatment or if it worsens.
Zovirax Ointment (Acyclovir) 5% may cause mild, temporary burning or stinging when you apply it. If either of these effects persists or worsens, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed Zovirax Ointment (Acyclovir) 5% because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using Zovirax Ointment (Acyclovir) 5% do not have serious side effects.
A very serious allergic reaction to Zovirax Ointment (Acyclovir) 5% is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: 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.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Click here to view a more detailed list of Zovirax Ointment side effects.
If you miss a dose of Zovirax Ointment (Acyclovir) 5%, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
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.