Why is Valtrex prescribed?
Valtrex is used to treat herpes zoster, (the painful rash known as shingles). It is also prescribed to relieve the sores caused by genital herpes. Is there any contraindications to individuals using Valtrex? Valtrex should not be used by anyone with a weak immune system, such as those with HIV infection or those who have undergone a bone marrow or kidney transplant. Valtrex can cause serious side effects, including death, in such people. Also, avoid Valtrex if you are sensitive to it or the similar drug acyclovir (Zovirax). How should you use Valtrex? If you are taking Valtrex for shingles, you should start using it as soon as possible after your physician has made a diagnosis. Clinical studies have shown that the medication is most effective against shingles if treatment is initiated within the first 72 hours of initial symptoms. If you are using Valtrex for genital herpes, begin taking the meication at the first sign of an attack. The medication may not be effective if you wait longe
