Apo-Valacyclovir; CO Valacyclovir; DOM-Valacyclovir; Mylan-Valacyclovir; PHL-Valacyclovir; PMS-Valacyclovir; PRO-Valacyclovir; Riva-Valacyclovir; Valtrex
- It is used to treat herpes infections.
- It is used to treat shingles.
- It is used to treat cold sores.
- 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 dentists, surgeons, and other doctors that you use this drug.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
- 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. 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 the amount of urine passed, blood in the urine, or a big weight gain.
- Change in thinking clearly and with logic.
- Change in the way you act.
- Mood changes.
- Shakiness, trouble moving around, or stiffness.
- A very bad and sometimes deadly blood problem called thrombotic thrombocytopenic purpura/hemolytic uremic syndrome (TTP/HUS) has happened with this drug in some people. Call your doctor right away if you have any bruising or bleeding; feel very tired or weak; have 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 sleepy.
- Belly pain.
- Take as you have been told, even if you feel well.
- 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 for an infection that came back, start this drug as soon as you can.
- 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, get an oral syringe, a dropper, a spoon, or a cup (only for older children) from your pharmacist.
- 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 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, 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.