Valtrex contraindications and interactions
For prescribing the right dosage to you, your doctor needs to know in details about your past and present medical conditions. Also tell him if you are already allergic to Valtrex.
Don't forget to inform him before he prescribes Valtrex to you, if you are already suffering from any of the following diseases:
- Bone marrow transplantation;
- Immune system problems;
- Kidney disease;
- Kidney transplantation;
Listed in FDA pregnancy category B, Valtrex is not expected to cause any serious damage to the growing fetus. Also the effects of Valtrex on breast-feeding mothers have not been found. Still doctors are not willing to rule out the possibilities of adverse effects. It is thus, highly recommended to take Valtrex only after consultation with a physician during pregnancy or while nursing a baby. So far, Valtrex has not been seriously tested on children. When tested on older patients, reports show that they run higher risks of dehydration and should take in considerable amount of fluid.
Valtrex may not work in proper harmony with all other drugs. You should also let the doctor know if you are already taking any of the following drugs before he prescribes Valtrex:
- Tagamet hb;
Do not take Valtrex with any of the following drugs:
Increases the effect and toxicity of theophylline:
Valtrex increases the effect and toxicity of theophylline: