Q: What is Valtrex?
A: Valtrex is a prescription antiviral drug that targets the herpes virus. Valtrex can help minimize outbreaks of genital herpes and reduce the risk of spreading genital herpes to others. In addition, Valtrex is used to promote healing of shingles (herpes zoster) and cold sores (herpes labialis).
Q: What is the active ingredient in Valtrex?
A: The active ingredient in Valtrex is valacyclovir hydrochloride, which interferes with reproduction of the herpes virus, thereby causing the virus to become inactive.
Q: Will Valtrex cure my genital herpes?
A: No. Valtrex does not cure genital herpes. In fact, there is no known cure for genital herpes. However, Valtrex can greatly reduce the frequency of genital herpes outbreaks. During an outbreak of genital herpes, Valtrex limits the ability of the virus to reproduce and helps minimize symptoms of the disease.
Q: Can Valtrex help me avoid passing genital herpes to my partner?
A: When used daily (as opposed to only when an outbreak occurs), Valtrex can reduce the risk of spreading genital herpes to your partner. In conjunction with a daily dose of Valtrex, always use the following safe sex practices to minimize the risk of spreading genital herpes:
- Always use condoms during sexual contact.
- Avoid sexual contact with your partner during an outbreak of genital herpes.
Q: What should I discuss with my doctor before taking Valtrex?
A: Make sure to discuss your complete medical history with your healthcare provider before taking Valtrex, including the following:
- All drug allergies, especially to any ingredient contained in Valtrex.
- All other medications you are taking, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
- If you have had any organ transplant, bone marrow transplant, or kidney transplant.
- If you have kidney disease or kidney problems.
- If you are HIV-positive or if you have AIDS.
- If you are pregnant or breastfeeding.
- If you are 65 years or older.
Q: How should I take Valtrex?
A: Observe the following precautions while taking Valtrex:
- Only take Valtrex under the supervision of your healthcare provider, whether you are taking it for genital herpes, cold sores or shingles.
- Before you start taking Valtrex, read the patient information that comes with the medicine.
- To treat outbreaks of genital herpes, start taking Valtrex at the first signs of an outbreak. Valtrex may not be as effective if you wait more than 72 hours after an outbreak occurs.
- While using Valtrex to treat an outbreak of genital herpes, follow the entire course of the prescription even if the symptoms disappear.
- When taking Valtrex to suppress or control outbreaks of genital herpes, take the medication as directed by your healthcare provider.
- Take Valtrex orally with a full glass of water. It may be taken with or without food as directed by your doctor.
Q: What are the possible side effects of Valtrex?
A: Many people who use Valtrex to treat genital herpes, cold sores or shingles do not experience any serious side effects.
- Some of the more common Valtrex side effects include: headache, nausea or vomiting, dizziness, sore throat and stomach pain. These Valtrex side effects are typically mild and normally do not result in the patient discontinuing treatment.
- Some HIV-positive adults have reported headache, fatigue, and rash.
- A few women have reported painful menstrual periods while using Valtrex.
- A small number of elderly patients and patients with kidney problems have reported kidney failure or nervous system problems after taking Valtrex.
If you develop any Valtrex side effects that concern you, seek medical attention immediately.
Q: Are there possible allergic reactions to Valtrex?
A: If you are allergic to acyclovir or to any other ingredient contained in Valtrex, make sure you inform your doctor before taking Valtrex. A very serious allergic reaction to Valtrex is unlikely, but talk to your doctor immediately if one develops. Possible symptoms of an allergic reaction include:
- Difficulty breathing.
- Rash, itching, or hives.
- Swelling of the lips, tongue, or face.
- Severe dizziness.
Q: Are there any drugs I should avoid while taking Valtrex?
A: Before you begin taking Valtrex, inform your doctor about all other prescription and over-the-counter medications you are taking, including herbal supplements. Valtrex side effects may be aggravated and could become more dangerous if the drug is used along with probenecidor cimetidine. Valtrex could also interact with medications used to treat kidney problems. Speak with your doctor before taking Valtrex if you are taking any such drugs or if you have a kidney problem.
Q: Is it safe to take Valtrex when I’m pregnant?
A: Talk to your healthcare provider if you are pregnant or plan to become pregnant and wish to take Valtrex. It is important to weigh the potential benefits of the treatment against any risks and possible Valtrex side effects.
Q: Is it safe to take Valtrex when I’m breastfeeding?
A: Valtrex passes into breast milk. Consult with you doctor about breastfeeding before taking this medication.
Q: What should I do if I miss a dose of Valtrex?
A: If you forget to take a dose, take the missed dose as soon as you remember. If it is almost time for the next dose of Valtrex, skip the missed one and resume your usual schedule. Do not take a double dose of Valtrex without consulting with your doctor.
Q: What should I do in case of an accidental overdose of Valtrex?
A: If you suspect an overdose of Valtrex, contact your local poison control center or emergency room immediately. US residents can call the National Poison Hotline at 1-800-222-1222. Possible symptoms of overdose include a change in urine amount, sluggishness, seizures, and loss of consciousness.
Q: How should I store Valtrex?
A: Store Valtrex in an airtight container at room temperature. As with any medication, keep Valtrex away from children and pets.
Q: How can I buy Valtrex discreetly, without embarrassment?
A: Internet pharmacies like eDrugstore.md offer a private and convenient way to buy Valtrex online. Visit the Valtrex product information page on eDrugstore.md for information about pricing and ordering.
For more information regarding genital herpes and other sexual health matters, visit the Sexual Health Online Knowledge Base at eDrugstore.md.













