Valacyclovir is an antiviral drug prescribed to treat certain herpes infections, which include shingles (herpes zoster), genital herpes, and cold sores (herpes labialis). This medication may help control the symptoms caused by the above conditions. It decreases pain and helps faster healing of sores. This medicine may also be used to treat other conditions as determined by your doctor.

Select options$2.52$3.08
Select options$2.55$3.12

What does Valacyclovir treat?

Valacyclovir is an antiviral medication that treats a wide range of viruses. This is used to treat certain herpes infections such as cold sores (herpes labialis), shingles (herpes zoster), and genital herpes. In cases of those with frequent outbreaks of genital herpes, it reduces the number of episodes. This brings down the pain and helps in faster healing. Your physician may use this to treat other ailments based on their discretion.

Possible Side Effects

Valacyclovir might have some side effects but it’s not possible to anticipate them. It does not have any major side effects and the minor ones that may occur are temporary. In rare cases, there might be major side effects and immediate medical attention must be sought.

Some of the side effects could fatigue, dizziness, headache, nausea, kidney problems, vomiting, stomach pain, painful periods, and confusion. This is not the complete list though.

In case, there is a change in intensity of side effects or if any new side effects develop, make sure you consult your doctor.

Dosage Instructions

Follow the Valacyclovir dosage prescribed by your physician. The dosage could vary based on individual patient requirements. Always follow your physician’s instructions or go by the directions on the prescription drug label. You may take it with or without food.


Missed a dose?

Take it immediately once you remember. In case, this time falls close to the next dosage, skip it and get back to the prescribed schedule. Never take a double dose unless your physician specifically directs you to do so.


Don’t waste any time and seek immediate medical attention.

Drug Interactions

Drug interactions must be considered before starting to take any kind of drug. Drug interactions might happen either when Valacyclovir is taken along with another drug or with particular foods. To prevent any kind of negative interaction, make sure you inform your doctor of any drugs you are taking including non-prescription medication, OTCs, health supplements like vitamins, and minerals, herbal medicine, drinks with caffeine and alcohol, illegal drugs, smoking habits and so on which may increase the effect of Valacyclovir.

It may interact with:


  • Gentamicin
  • Ibuprofen
  • Tacrolimus
  • Tobramycin


It may also interact with non-steroidal anti-inflammatory drugs. This is not an exhaustive list though.

Appraise your doctor for any medical conditions that you are suffering from and your family history of medical ailments. It’s important that you do not stop or start taking any medicine without the consent of your physician.

Where can I buy Valacyclovir over the counter?

Valacyclovir without prescription is an anti-herpes medicine. Although the Valacyclovir alternative shall not cure shingles or genital herpes, it does help relieve the pain and discomfort and helps the sores heal faster. Valacyclovir over the counter is available only with the doctor’s prescription.

Can I buy Valacyclovir without a prescription?

Valacyclovir or Valacyclovir alternative needs a prescription. You need to have a prescription for Valacyclovir as Valacyclovir without a prescription is not available. All the generic medications sold online are FDA-approved.

What to ask your doctor before you start on Valacyclovir


  • Can I take Valacyclovir along with other drugs? 
  • Are there certain foods, beverages, and products to be avoided while on Valacyclovir? 
  • What is the dosage of Valacyclovir to be consumed? 
  • How should I use Valacyclovir? 
  • How will Valacyclovir work on my body? 
  • How can the drug interactions and side effects of Valacyclovir be minimized or completely avoided?



The health and medical information that we have provided are meant to supplement and not substitute the advice of your physician, pharmacists, or other health care professionals. This does not suggest that the usage of Valacyclovir is safe, appropriate, or effective for you. Always ensure that you take this or any other drug only after consulting your physician.