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Composition for ZOVIRAX

Acyclovir(250 mg)

food interaction for ZOVIRAX

alcohol interaction for ZOVIRAX

pregnancy interaction for ZOVIRAX

lactation interaction for ZOVIRAX

It can be taken with or without food, but it is better to take Zovirax 250 mg infusion at a fixed time.
It is generally safe to consume alcohol with Zovirax 250 mg infusion.
Zovirax 250 mg infusion is probably safe to use during pregnancy.
Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Acyclovir(250 mg)


Zovirax 250 mg infusion is used in the treatment of herpes labialis (sores around the border of the lips), genital herpes infection, chickenpox and herpes zoster (painful skin rash around the nerves of chest and back).

How it works

Zovirax 250 mg infusion is an antiviral drug and belongs to class called synthetic nucleoside analogues. It works by blocking the process by which the virus grows and multiplies. Zovirax 250 mg infusion thus stops the virus from spreading in the body.

Common side effects

Vomiting, Nausea, Neurological disturbances, Abdominal pain, Acute renal failure, Confusion, Hallucination, Diarrhoea, Dizziness, Drowsiness, Fatigue, Headache, Hepatitis (viral infection of liver), Jaundice, Skin rash


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Expert advice for ZOVIRAX

Drink plenty of fluids and stay hydrated while taking acyclovir.
If  you have genital herpes it can spread through sexual contact even if you don't have blisters or other symptoms and possibly even if you are taking acyclovir. Take your doctor's advice on necessary precautions 
  • Do not drive or operate machines if you feel drowsy after taking acyclovir
  • Do consult your doctor before taking acyclovir if you are pregnant or planning to become pregnant
  • Do consult your doctor before taking acyclovir if you are breast-feeding
  • Take acyclovir as directed by your doctor during pregnancy to prevent genital herpes blisters. The infection may be passed on to the baby during childbirth if you develop genital blisters.
Do consult your doctor before taking acyclovir if you have,
  • Kidney problems 
  • Elderly
  • Weak immune system (immunocompromised)
  • Breathing difficulties
  • Nervous disorder
  • Abnormal levels of salts (electrolytes) in blood

Frequently asked questions for ZOVIRAX


Q.Is dydrogesterone same as progesterone?
No. Dydrogesterone is an artificially synthesized drug which is very similar to the naturally produced female hormone progesterone. Its action in the body is closely related to progesterone

Q.Is dydrogesterone safe?
Yes. Dydrogesterone is safe if used at the prescribed does for the prescribed duration as advised by your doctor

Q.Is dydrogesterone banned in USA?
No dydrogesterone is not banned by the US FDA (US- Food and Drug Administration)

Q.Is dydrogesterone a steroid?
Yes. Dydrogesterone has steroidal chemical structure which is very similar to the naturally produced steroidal female hormone progesterone

Q.Dydrogesterone is used for?
Dydrogesterone is used to treat conditions associated with low levels of female hormone progesterone. It may also be used in combination with estrogen drugs as a hormone replacement therapy in females at menopause (the time in a woman's life when her menstrual periods stop)

Q.Does dydrogesterone delay periods?
Yes. Delayed, irregular, painful and heavy menstrual periods are among the common side effects of dydrogesterone

Q.How does dydrogesterone work?
Dydrogesterone works by replacing female hormone progesterone in conditions where the body fails to produce sufficient amounts.


Content on this page was last updated on 20 May, 2016, by Dr. Varun Gupta (MD Pharmacology)