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You have vesicles/boils on your Right arm alone and your doctor prescribed you virest which is an anti viral tablet. Looks like you have Herpes Zoster
, caused by the same virus which causes chicken pox
. According to your history you have finished 25 tablets, 4 tablets a day. That means its 6 days past initiation of treatment. In 6 days i would expect your vesicles to slowly start to heal, or dry off. Usually for Herpes Zoster I give 800 mg Acyclovir
5 times a day. Because your skin is still looking bad which makes you fear that an amputation
might be required , I will recommend you to see a dermatologist
. It might be bacterial infection of the herpes lesions which can be treated with antibiotics. Herpes Zoster is usually self limiting and heals within 1 to 2 weeks.
Hope this helped