Apo-Valacyclovir; Auro-Valacyclovir; CO Valacyclovir; DOM-Valacyclovir; JAMP-Valacyclovir; Mar-Valacyclovir; Mylan-Valacyclovir; PHL-Valacyclovir; PMS-Valacyclovir; Priva-Valacyclovir; PRO-Valacyclovir; Riva-Valacyclovir; Sandoz-Valacyclovir; Teva-Valacyclovir; Valtrex
- It is used to treat herpes infections.
- It is used to treat shingles.
- It is used to treat cold sores.
- It is used to treat chickenpox.
- It may be given to you for other reasons. Talk with the doctor.
- If you have an allergy to valacyclovir, acyclovir, or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- Do not take this drug for longer than you were told by your doctor.
- If you are taking this drug for cold sores, it will not cure cold sores. Talk with your doctor.
- This drug is not a cure for herpes infections. Talk with the doctor.
- If you have genital herpes, this drug will not stop it from spreading. Do not have any kind of sex when you have sores or other signs of genital herpes. Genital herpes can also be spread if you do not have any signs. Do not have any kind of sex without using a latex or polyurethane condom. Talk with your doctor.
- If you are 65 or older, use this drug with care. You could have more side effects.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Feeling confused.
- Change in the way you act.
- Mood changes.
- Hallucinations (seeing or hearing things that are not there).
- Trouble speaking.
- Shakiness, trouble moving around, or stiffness.
- Very bad and sometimes deadly blood problems like thrombotic thrombocytopenic purpura/hemolytic uremic syndrome (TTP/HUS) have happened with this drug in some people. Call your doctor right away if you feel very tired or weak or have any bruising or bleeding; dark urine or yellow skin or eyes; pale skin; change in the amount of urine passed; change in eyesight; change in strength on 1 side is greater than the other, trouble speaking or thinking, or change in balance; or fever.
- Upset stomach or throwing up.
- Feeling tired or weak.
- Belly pain.
- Period (menstrual) pain.
- Take with or without food. Take with food if it causes an upset stomach.
- Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
- If you are taking this drug to treat cold sores, chickenpox, shingles, or genital herpes, start this drug as soon as you can after your signs start. This drug may not help if you start taking it too late.
- Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
- A liquid (suspension) can be made if you cannot swallow pills. Talk with your doctor or pharmacist.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Store liquid (suspension) in a refrigerator. Throw away any part not used after 28 days.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.