I have skin viral infection what should i do

Dear Customer
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Dear customer :
your question is not clear if its about skin viral infection or skin allergy , and we will answer you for both , and if you still have questions , please dont hesistate to ask us and we will answer you soon 
how to treat skin viral infection ?
- usually skin viral infection is self limited and doesnt need a treatment , and you may only treat the symptoms such as skin rash by antihistamine topical creams such as Benadryl
- if your condition have prolonged complications , doctor may use acyclovir as a topical anti viral medication
what is the treatment of skin allergic reaction ?
1. first of all , avoid the cause of the allergy such as medication or food or any other cause
2. to relieve skin symptoms , you may use :
- antihistamine ( topical or oral )
- corticostiroids ( topical or oral )
3. in case of needing to use oral corticostiroids , you should first consult a dermatology doctor 
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Kind Regards