Acivir DT 400 MG (Acyclovir)
What is Acivir, the generic form of Acyclovir?
USA Brand Equivalent
Zovirax tablets are the American equivalent of acivir 400 mg.
About Acivir 400 mg
Acivir 400mg is an antiviral tablet which is categorized among the drugs that are called herpes virus nucleoside analogues. It is applied to the treatment of infections due to herpes simplex virus, also prescribed for herpes labialis, genital herpes, chickenpox and eye infections. Acivir is readily available at online pharmacies, drugstores, and medical supply stores.
Manufacturer
Acivir 400 mg is made by Torrent Pharmaceuticals (India) which is one of the world’s leading pharmaceuticals company.
Strength
It contains 400 mg of Acyclovir. Other dosages may be available. Some strengths of products may not have been approved for all indications.
Uses of Acivir 400 mg
Acivir 400 mg is used in:
- Herpes Zoster (Shingles)
- Genital Herpes
- Chickenpox
How Acivir 400 mg Works?
Acyclovir, the main ingredient of Acivir if an antiviral which prevents the herpes simplex virus from multiplying in your body thus defeating the spread and severity of this infection.
Before Using Acivir 400 mg
Ensure that:
- It is not that you are allergic to Acyclovir.
- You will feel safe using it during pregnancy or breastfeeding.
- It does not interfere with any other medication or supplement you are taking.
When Not to Use
Avoid Acivir 400 mg if you:
Are allergic to Acyclovir.
Take medicine (such as antibiotics or drugs for mood disorders) that may increase risk for an allergic reaction or sunburn.
Are pregnant, plan pregnancy, or are nursing without your physician’s consent.
Dosage and Administration
Use as you have been told, even if your signs get better.
May be taken with or without food.
Take the tablet whole with a drink of water—do not crush or chew.
Do not miss doses or take extra doses if you miss a dose; follow your doctor’s dosing directions for use.
Duration
Take Acivir 400 mg for all of the time prescribed by your doctor. Effects can be observed within 2–3 days in some infections, but may take up to a few weeks.
Missed Dose
- If you miss a dose, take it as soon as you can.
- If it is almost time for your next dose, skip the missed dose.
- Do not take 2 doses at once to make up for a forgotten one.
Overdose
If you think there was an overdose, call your doctor right away.
Side Effects
Possible side effects include:
- Injection site sweling or redness
- Abdominal pain, diarrhea
- Great thirst, or loss of desire for fluids
- Unusual tiredness or weakness
- Headache, fever, chills, or seizures
- Unusual bleeding or black/tarry stools
If side effects continue or become bothersome, check with your physician.
Drug Interactions
Acivir may interact with:
- Phenytoin
- Tacrolimus
- Sulfasalazine
Tell your doctor if you are using other medicines, herbal products or over the counter products.
Contraindications
Do not use Acivir 400 mg in:
- Hypersensitive conditions
- Sunburned skin or open wounds
Precautions
- Cease use and consult a physician if irritation or allergic reaction occurs.
- Use with caution in renal failure and the elderly.
- Do not use in children under 2 years of age or during pregnancy/breast feeding.
- Avoid sexual if you have genital sores, use a condom to protect against transmission.
- Avoid kidney damage by drinking plenty of water.
Storage
- Keep in a cool dry place.
- Avoid refrigeration.
- Keep away from children.
Acivir 400 mg FAQ’s
Acivir 400 mg is an antiviral tablet containing Acyclovir, used to treat herpes infections, chickenpox, and eye infections caused by the herpes virus.
It works by stopping the virus from multiplying in the body, helping reduce the spread and severity of the infection.
Take the tablet with or without food exactly as prescribed by your doctor. Swallow it whole with water and follow the recommended dosage schedule.
Possible side effects include headache, tiredness, abdominal pain, diarrhea, or skin reactions. Contact your doctor if symptoms persist or worsen.
Some medicines such as Phenytoin, Tacrolimus, and Sulfasalazine may interact with Acivir. Always inform your doctor about any other medications or supplements you are taking.



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