What is Valtrex prescribed for?
Valtrex is prescribed to treat viral infections. It is commonly used to manage infections caused by the herpes virus, such as cold sores (oral herpes), genital herpes, and shingles (herpes zoster). It can also be prescribed to treat chickenpox in children. Valtrex works by reducing the severity and duration of symptoms, helping to prevent outbreaks and manage flare-ups. It may also be used to reduce the risk of spreading the herpes virus to others.
Valtrex (Valacyclovir) Information
How to Use Valtrex?
For cold sores, the usual dose is 2 grams twice a day for 1 day. For genital herpes during the first outbreak, it’s typically 1 gram twice a day for 10 days. For long-term treatment, the dose is usually 500 mg to 1 gram once a day.
When treating shingles, the common dose is 1 gram three times a day for 7 days. For chickenpox, the dose is 20 mg/kg (up to 1 gram), three times a day for 5 days.
You can take Valtrex with or without food, but swallow the tablets whole with a glass of water. Take your doses at the same time every day to help you remember. If you miss a dose, take it as soon as you remember, unless it’s almost time for your next dose. Never take two doses to make up for a missed one.
Drink plenty of fluids while taking Valtrex to help prevent kidney problems. If you have kidney issues or are on other medications, let your doctor know so your dose may be adjusted.
If you are pregnant, planning to become pregnant, or breastfeeding, talk to your doctor before taking Valtrex.
These are general guidelines. Always follow your doctor's instructions and contact them if you have any questions.
What are the common side effects of Valtrex?
Some known common side effects of Valtrex include:
- Vomiting
- Dizziness
- Headache
- Nausea
- Pain in Your Stomach Area
This is not a complete list of side effects and others may occur. Call your doctor for medical advice.
What are the Drug Interactions of Valtrex?
Valtrex does not have any known clinically significant drug interactions. However, it’s important to talk to your doctor if you're taking any other medications. They can provide advice and guidance on potential interactions and ensure your treatment is safe and effective.
What is the recommended dosage of Valtrex?
The recommended dosage of Valtrex (valacyclovir) depends on the condition being treated. For cold sores, the typical dose is 2 grams taken twice a day for 1 day. For genital herpes, the usual dose is 1 gram taken twice a day for 10 days. For shingles, the recommended dose is 1 gram taken three times a day for 7 days. For preventing recurrent cold sores or genital herpes, a common dose is 500 mg to 1 gram once a day. It's important to follow your doctor's instructions and not adjust the dose on your own.
Valtrex Price in Canada
Starting price of Valtrex 500mg Tablet in Canada
- 30 tabs - $211.75 USD ($7.06 per tabs)
- 60 tabs - $389.15 USD ($6.49 per tabs)
- 90 tabs - $549.67 USD ($6.11 per tabs)
- 180 tabs - $1054.49 USD ($5.86 per tabs)
Please review the specific pricing for each product above, available in various strengths for both brand-name and generic options.
Generic Equivalent Valacyclovir Price in Canada
Starting price of Valacyclovir 500mg Tablet in Canada
- 100 tabs - $121.79 USD ($1.22 per tabs)
- 200 tabs - $216.30 USD ($1.08 per tabs)
- 300 tabs - $287.69 USD ($0.96 per tabs)
Please review the specific pricing for each product above, available in various strengths for both brand-name and generic options.
Valtrex (Valacyclovir) FAQs
How long does it take for Valtrex to start working?
Valtrex usually starts working within a few hours to a day after you take it. However, the full effects may take a couple of days, depending on the condition being treated. It’s important to start taking it as soon as you notice symptoms for the best results.
Is Valtrex safe for children?
Valtrex can be safe for children, but it depends on the child's age and the condition being treated. It is commonly prescribed for children over 12 years old for certain conditions like cold sores or chickenpox. For younger children, a doctor will determine if it’s appropriate and what dosage to give. Always follow a doctor’s advice when giving Valtrex to a child.
Can I take Valtrex if I have kidney problems?
If you have kidney problems, you should be cautious when taking Valtrex. It is important to let your doctor know about your kidney condition, as they may need to adjust your dosage. In some cases, Valtrex may not be recommended, or you may need closer monitoring during treatment. Always follow your doctor's guidance if you have kidney issues.
Can I take Valtrex and ibuprofen together?
You should not take Valtrex and ibuprofen together. Using ibuprofen with Valtrex can increase the risk of kidney damage. It's important to talk to your doctor or pharmacist before combining these medications.
Is Valtrex effective for preventing HIV?
No, Valtrex (valacyclovir) is not effective for preventing HIV. Valtrex is used to treat viral infections like herpes, but it does not prevent HIV infection. To prevent HIV, other methods like using condoms, taking pre-exposure prophylaxis (PrEP), or getting vaccinated (if available) are recommended.
Can Valtrex cause stomach upset?
Yes, Valtrex can cause stomach upset in some people. Common side effects may include nausea, stomach pain, or diarrhea. If you experience severe stomach issues, it's important to contact your doctor.