U.S. Brand Names

Valtrex®

Canadian Brand Names

APO-Valacyclovir; PMS-Valacyclovir; RIVA-Valacyclovir; Valtrex®

Mexican Brand Names

Rapivir

Dosage Forms

• This medicine is available as a caplet.

• Some pharmacies may make a liquid.

Pharmacologic Category

Antiviral Agent; Antiviral Agent, Oral

Is it safe for my child to take this medicine?

• Not if your child has an allergy to valacyclovir, acyclovir or any other part of this medicine.

• Be sure to let healthcare provider know if your child has any allergies or reactions to medicine, food preservatives, or dyes. Make sure to tell about the allergy and how it affected your child. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

Why does my child need this medicine?

• This medicine is used to prevent or treat a variety of viral infections.

How does this medicine work?

• Valacyclovir works to injure the virus and fight the infection.

How is this medicine given?

• Give prescription as directed, even if your child is feeling better.

• Give this medicine with or without food. Give with food if it causes an upset stomach.

• Give this medicine with a full glass of water.

• Encourage your child to drink plenty of noncaffeine-containing liquid every day unless told to drink less liquid by healthcare provider.

• If your child is given this medicine for a recurring infection, start medicine as soon as possible.

• A liquid (suspension) is available if your child cannot swallow pills. Shake well before use.

• Measure liquid doses carefully. Use measuring device that comes with the medicine. If none is available, get an oral syringe, a medicine dropper, a medicine spoon, or a medicine cup (only for older children) from your pharmacist.

How long does this medicine take to work?

• Your child may start feeling better soon after starting this medicine.

What do I do if my child misses a dose? (does not apply to patients in the hospital)

• Give a missed dose as soon as possible.

• If it is almost time for the next dose, skip the missed dose and return to your child's regular schedule.

• Do not give a double dose or extra doses.

• Do not change dose or stop medicine. Talk with healthcare provider.

What safety measures should I take while my child is using this medicine?

• If your child has kidney disease, talk with healthcare provider.

• Check your child's medicines with healthcare provider. This medicine may not mix well with other medicines.

What are some possible side effects of this medicine?

• Headache.

• Nausea or vomiting. Small frequent meals and frequent mouth care may help. Older children may suck hard, sugar-free candy.

• Belly pain.

• Diarrhea.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• Follow up with healthcare provider.

When should I call my child's healthcare provider?

• If any of this information causes you to be concerned, any of the common side effects occur, or if your child's symptoms do not improve after taking this medicine.

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• If your child shows signs of a life-threatening reaction, call healthcare provider or emergency department immediately. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat; or if your child exhibits any other unusual behavior.

• If your child has a severe headache.

• If your child has severe nausea or vomiting.

• If your child has severe diarrhea.

• If your child has a sudden change in vision, eye pain, or irritation.

• If your child has shakiness, difficulty moving around, or stiffness.

• If your child has pinpoint red spots on skin.

• If your child develops a rash.

• No improvement in condition or if you believe your child's condition is worse.

How should I store and/or dispose of this medicine?

• Store caplets at room temperature.

• Protect caplets from moisture. Do not store in a bathroom or kitchen.

• Store liquid (suspension) in a refrigerator. Throw away any unused portion after 28 days.

General statements

• If your child has a life-threatening allergy, he/she should wear an allergy identification bracelet at all times.

• This medicine is available by prescription only. If there are refills, contact your pharmacy. If no refills remain, you may need to contact your child's healthcare provider.

• This medicine should be thrown out when your child no longer needs it or if the medicine becomes outdated.

• Do not share your child's medicine with others and do not give anyone else's medicine to your child.

• Keep all medicine out of the reach of children and pets.

• Many medications interact with other medications. Keep a list of all your child's medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to your child's healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with your child's healthcare provider before giving him/her any new medicine, including over-the-counter, natural products, or vitamins.

• Medicine can be dangerous if used incorrectly. Follow directions given by healthcare provider.

Created: 2008-11-20 10:37:49.0

Modified: 2009-05-13 13:21:12.0

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