Do not take this medication with any of the following:
-Cidofovir
This medication may also interact with the following:
-Adefovir
-Amphotericin B
-Certain antibiotics, such as amikacin, gentamicin, tobramycin, vancomycin
-Cimetidine
-Cisplatin
-Colistin
-Cyclosporine
-Foscarnet
-Lithium
-Methotrexate
-Probenecid
-Tacrolimus

They need to know if you have any of these conditions:
-Acquired immunodeficiency syndrome (AIDS)
-Any other condition that may weaken the immune system
-Bone marrow or kidney transplant
-Kidney disease
-An unusual or allergic reaction to valacyclovir, other medications, foods, dyes, or preservatives
-Pregnant or trying to get pregnant
-Breast-feeding

Tell your care team if your symptoms do not start to get better after 1 week.
This medication works best when taken early in the course of an infection, within the first 72 hours. Begin treatment as soon as possible after the first signs of infection like tingling, itching, or pain in the affected area.
It is possible that genital herpes may still be spread even when you are not having symptoms. Always use safer sex practices like condoms made of latex or polyurethane whenever you have sexual contact.
You should stay well hydrated while taking this medication. Drink plenty of fluids.

Keep out of the reach of children.
Store at room temperature between 15 and 25 degrees C (59 and 77 degrees F). Keep container tightly closed. Throw away any unused medication after the expiration date.