Penciclovir (On the skin)
Treats and relieves pain from cold sores.
DenavirThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:You should not use this medicine if you have had an allergic reaction to penciclovir. Tell your doctor if you have had an allergic reaction to acyclovir, famciclovir, valacyclovir, or ganciclovir.
How to Use This Medicine:
If a dose is missed:
How to Store and Dispose of This Medicine:
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Warnings While Using This Medicine:
Possible Side Effects While Using This Medicine:
If you notice these less serious side effects, talk with your doctor:
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 6/12/2013
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