What is acyclovir and when is it used? What is the difference between valacyclovir and acyclovir?

Firstly, lets shed light two questions.

What is acyclovir?


Is acyclovir an antibiotic?

No,it is not. Because antibiotics are medicines that kill bacteria or stop their reproduction.
Aciclovir or Acyclovir is the antiviral medicine that inhibits the replication of DNA of virus. It is guanosine analogue. Acyclovir has tablet form for orally use, in flacon for intravenous use, cream for topically use and solution as eye drops. It is used in the treatment of herpes infections including genital herpes,skin and mucosal herpes, chicken pox and shingles (zona) disease. Using indications are below.

1. In the treatment of acute infections of Herpes simplex.

2. To prevent recurrent herpes simlex infections for people with normal immune system.

3. In the prophylaxis of herpes simplex infections for people with the immune defiency.

4. In the treatment of Varicella zoster infections.

5. In the prophylaxis of Varicella zoster infections for the people with immune defiency. And people who are under risk of enfection or complication of Varicella zoster.

Although they use acyclovir, patients can become contagious. Patients also be carefull about their body hydration. So they should drink 2-2,5lt water per day. Common advers effects of acyclovir are headache, dizziness, fever, nausea, vomitting and diarrhea.
Valacyclovir is an acyclovir derivative drug. But bioavailaility and duration of effect of Valacyclovir is better than acyclovir.

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