What do valacyclovir caplets do?
VALACYCLOVIR (Valtrex(R)) is an antiviral agent. Valcyclovir treats herpes zoster infection (shingles) or genital herpes infection. Valcyclovir is not a cure; it will help the sores heal faster and relieve the pain or discomfort.
What should my health care professional know before I take valacyclovir?
They need to know if you have any of these conditions:
• acquired immunodeficiency syndrome (AIDS)
• any other condition that may weaken the immune system
• kidney disease
• an unusual or allergic reaction to valacyclovir, acyclovir, ganciclovir, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
How should I take this medicine?
Take valacyclovir caplets by mouth. Follow the directions on the prescription label. Swallow whole with a full glass of water. You can take valacyclovir with or without food. Take your doses at regular intervals. Do not take your medicine more often than directed. Finish the full course prescribed by your prescriber or health care professional even if you think your condition is better. Do not stop taking except on your prescriber's advice.
Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What other medicines can interact with valacyclovir?
Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.
What side effects may I notice from taking valacyclovir?
Side effects that you should report to your prescriber or health care professional as soon as possible:
• changes in your menstrual cycle
• reduced amount of urine passed
• skin rash
• stomach pain
• unusual weakness or tiredness
Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
• bone pain
• nausea, vomiting