Acivir Dt tablet is an antiviral medicine. The active ingredient present is aciclovir (acyclovir), which helps to stop or kill viral growth. It is used to treat viral infections such as chickenpox, shingles, and herpes infections, including genital herpes (pain and blisters in private parts). What Aciclovir is and what it is used for Aciclovir Tablets belongs to a group of medicines called antivirals. Aciclovir can be used: to treat herpes simplex infections of the skin e.g. cold sores and genital herpes (excluding newborn babies and children with low immune systems and severe herpes simplex infections) to prevent recurrent attacks of herpes simplex to help prevent those who have low immune systems from getting herpes infections to treat chicken pox (varicella infection) and ... Aciclovir is used to treat two common viral infections - varicella-zoster and herpes simplex. Zovirax is the most well known brand. Acyclovir is used in the treatment of Herpes labialis, Genital herpes infection, Chickenpox, Herpes Simplex Virus Infections, Chronic hepatitis C virus (HCV) infection, Eye infections by Herpes simplex virus, Shingles. View Acyclovir’s uses, side-effects, drug interactions, expert advice and user FAQs only on 1mg .com.