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About Valtrex 500mg Tablets
Medication Name | Valtrex |
Type and Form of Medicine | Antiviral Tablet |
What it Does | Treats viral infections |
Active Ingredients | Valaciclovir |
Strength | 500mg |
Size | 10 tablets |
Patient Information Leaflet | Click here |
What are Valtrex 500mg Tablets?
Valtrex 500mg Tablets are an antiviral medication used to treat infections caused by certain types of viruses. The active ingredient, valaciclovir, helps to reduce the severity and duration of these infections. Valtrex is commonly prescribed for conditions such as genital herpes, cold sores, and shingles. The tablets work by stopping the virus from multiplying, which helps to control the infection and reduce symptoms.
What are Valtrex 500mg Tablets used for?
Valtrex 500mg Tablets are primarily used to treat genital herpes. Genital herpes is a sexually transmitted infection caused by the herpes simplex virus. Valtrex helps to reduce the severity and duration of outbreaks, and it can also be used to prevent future outbreaks.
In addition to genital herpes, Valtrex 500mg Tablets are also used to treat other conditions, including:
- Cold sores (herpes labialis)
- Shingles (herpes zoster)
- Chickenpox (varicella zoster)
How do Valtrex 500mg Tablets work?
Valtrex 500mg Tablets contain valaciclovir, which is converted into aciclovir in the body. Aciclovir interferes with the virus’s ability to replicate by inhibiting the viral DNA polymerase enzyme. This action prevents the virus from multiplying and spreading, allowing the body’s immune system to control the infection more effectively. By reducing the viral load, Valtrex helps to alleviate symptoms and speed up the healing process.
Who are Valtrex 500mg Tablets suitable for?
Valtrex 500mg Tablets are suitable for adults and adolescents aged 12 years and older who need treatment for viral infections such as genital herpes, cold sores, and shingles. The medication is also suitable for people who require long-term suppression of genital herpes to reduce the frequency of outbreaks.
However, Valtrex 500mg Tablets may not be suitable for everyone. People with the following conditions should consult their doctor or pharmacist before taking Valtrex:
- Kidney problems
- Liver problems
- Weakened immune system
- Allergic reactions to valaciclovir or any other ingredients in the tablets
How to take Valtrex 500mg Tablets
- Take Valtrex 500mg Tablets exactly as prescribed by your doctor.
- Swallow the tablet whole with water.
- You can take the tablet with or without food.
- Do not crush or chew the tablet.
Take Valtrex 500mg Tablets twice a day, approximately 12 hours apart. Follow your doctor’s instructions regarding the dosage and duration of treatment.
To treat genital herpes, take Valtrex 500mg Tablets for 5 to 10 days, depending on the severity of the infection. Your doctor will advise you on the appropriate duration of treatment.
Valtrex 500mg Tablets Side Effects
Like all medications, Valtrex 500mg Tablets can cause side effects. Below are some common, uncommon, and serious side effects you may experience.
Common Side Effects
- Headache
- Nausea
- Stomach pain
- Dizziness
Uncommon Side Effects
- Rash
- Vomiting
- Diarrhoea
- Fatigue
Serious Side Effects
- Severe allergic reactions (swelling of the face, lips, tongue, or throat)
- Confusion or hallucinations
- Severe skin reactions (blistering or peeling)
- Kidney problems (reduced urine output, blood in urine)
For a full list of side effects, please refer to the patient information leaflet.
Valtrex 500mg Tablets Ingredients
Active Ingredients: The active ingredient in Valtrex 500mg Tablets is valaciclovir.
Other Ingredients: The tablets also contain microcrystalline cellulose, crospovidone, povidone, magnesium stearate, hypromellose, titanium dioxide, macrogol, and polysorbate 80.
Important Information
- Do not take Valtrex if you are allergic to valaciclovir or any other ingredients in the tablets.
- Inform your doctor if you have kidney or liver problems before taking Valtrex.
- Tell your doctor if you have a weakened immune system before starting treatment.
- Do not take Valtrex if you are pregnant or breastfeeding unless advised by your doctor.
- Drink plenty of water while taking Valtrex to stay hydrated.
- Do not exceed the prescribed dose of Valtrex.
- Store Valtrex tablets in a cool, dry place away from direct sunlight.