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Acyclovir/hydrocortisone (On the skin)

Acyclovir (ay-SYE-kloe-vir), Hydrocortisone (hye-droe-KOR-ti-sone)

Treats cold sores.

Brand Name(s):

Xerese

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to acyclovir or hydrocortisone.

How to Use This Medicine:

Cream

  • Take your medicine as directed.
  • Use this medicine only on your skin. Rinse it off right away if it gets on a cut or scrape. Do not get the medicine in your eyes, nose, or mouth.
  • Wash your hands with soap and water before and after you use this medicine.
  • Clean and dry the affected area before you apply this medicine.
  • Apply a thin layer to the affected area. Do not rub the cream into the cold sore. Rubbing may spread the virus to other areas around your mouth or make your cold sore worse.
  • Do not cover the treated area with a bandage unless directed by your doctor.
  • Do not bathe, shower, or swim until 30 minutes after you apply the medicine.
  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.
  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
  • Missed dose: Apply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.
  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Do not put cosmetics or skin care products on the treated skin.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have a weak immune system.
  • Do not use this medicine to treat a skin problem your doctor has not examined.
  • Call your doctor if your symptoms do not improve or if they get worse.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Dryness, itching, redness, swelling, burning, or stinging where the cream is applied

If you notice these less serious side effects, talk with your doctor:

  • Changes in skin color where the cream is applied

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: 12/4/2014


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