Can I Take Alcohol When I Take Valtrex? Valtrex 500 mg Side Effects

Valtrex (Valacyclovir HCl) is an anti-viral drug used primarily to reduce outbreaks of genital herpes and to reduce transmission of the herpes virus in individuals who are affected. Valtrex is also indicated for the treatment of cold sores or canker sores. Valtrex 500 mg side effects may cause harm when the drug is not taken properly or when it is not suited for the patient taking the drug. It is always wise to ask your physician before taking the drug for proper education on the precautions and probable adverse reactions to the medication.

alcohol and valtrexValtrex is available in 500 mg caplets, 1 gram caplets and pediatric oral suspension. The medication may be given without regard to meal intake of the patient.

Side Effects

The common side effects reported by patients taking Valtrex 500 mg by adults are headache, nausea and abdominal pain. In children the only documented significant side effect in the clinical trial was headache.

In patients who took the drug for cold sores, the only adverse reaction noted after taking 2 grams of Valtrex per day was headache and dizziness. In individuals with genital herpes who were taking Valtrex 500 mg side effects such as headache and mild nasopharyngitis were reported.

Children taking Valtrex for cold sores may also experience diarrhea, headache, nausea and vomiting. Other probable side effects in adults include hypertension, tachycardia and facial edema. Persons with allergy to acyclovir should avoid Valtrex. Symptoms of anaphylaxis or allergic reactions to Valtrex manifested by urticaria, rash, itching and difficulty breathing have been randomly reported by users of the medication. Visual abnormalities such as blurring of vision may also occur as well as gastrointestinal symptoms which include abdominal pain and diarrhea.

Precaution should be taken when giving the drug to patients with renal failure. A lower dosage of the drug is advised and physician approval should be sought prior to any intake of the drug. The same goes for patients with hematologic abnormalities such as thrombocytopenia and aplastic anemia since Valtrex can cause further immunologic suppression that may compromise the immune system of the patient.

Alcohol intake should be avoided when taking Valtrex because it could magnify the side effects such as dizziness. Taking alcohol can worsen dizziness and headache. it can also increase the severity of gastrointestinal symptoms such as abdominal pain and diarrhea when taken with the drug. headache


Pregnant women and breastfeeding mothers should seek consult with their physician prior to taking the medications because of the risks involved. Patients with kidney failure should also have lower dosages as prescribed by their physician. Elderly patients and patients who are taking other medications should also provide their doctors with a list of their medications before taking Valtrex for possible drug-drug interactions. Persons with HIV or AIDs, individuals who have undergone kidney or bone marrow transplant should also consult their physician for appropriate drug dosages and precautions to address the possible Valtrex 500 mg side effects.

The side effects of Valtrex can vary in any individual and is dependent on other existing medical conditions. In general, headache, nausea and abdominal pain were the only adverse effects that were consistently reported by adults taking the drug during the clinical trial for Valtrex and headache in the pediatric age group. Still, serious side effects can manifest in other individuals that's why it is very important to provide your physician with relevant medical information prior to taking any drug such as Valtrex. Symptoms should be reported and medical help should be sought immediately if any side effects are observed.




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