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Xerese Warnings and Precautions

If your cold sore has not healed within two weeks of starting Xerese, contact your healthcare provider. This drug is not suitable for everyone, so talk to your healthcare provider if you have a weakened immune system or any allergies. Understanding the warnings and precautions will help ensure a safe and effective treatment with Xerese.

What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to using Xerese™ (acyclovir and hydrocortisone) if you have:
  • A weakened immune system, or get infections easily
  • Any allergies, including to medications, foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
You should also tell your healthcare provider about any other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.

Specific Precautions and Warnings With Xerese

Some warnings and precautions to be aware of with this drug include the following:
  • This medication should only be used on the lips or the skin around the mouth. Do not use it in the mouth, nose, or eyes, or on the genitals. Xerese should not be used to treat genital herpes.
  • Xerese works best when started at the first signs of a cold sore. Try to use the medication at the earliest signs of an outbreak.
  • Do not put a bandage or other dressing over your cold sore while using Xerese. Doing so may increase your risk for skin irritation.
  • There are other skin infections that may resemble a cold sore. Xerese will not work to treat these other infections. Therefore, contact your healthcare provider if your cold sore has not healed within two weeks -- it may be something else.
  • Xerese is unlikely to react with other medications (see Xerese Drug Interactions).
  • Xerese is a pregnancy Category B medication, which means it is probably safe for use during pregnancy. Talk to your healthcare provider about the risks and benefits of using this medication while pregnant (see Xerese and Pregnancy for more information).
  • Xerese is unlikely to pass through breast milk. Even so, if you are breastfeeding a child, talk with your healthcare provider (or your child's healthcare provider) before using this product (see Xerese and Breastfeeding).

Xerese Drug Information

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