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Clear fluid filled itchy, painful blisters in shoulder.

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60 year female, had a bite sensation and later clear fluid filled itchy and painful blisters on left shoulder. Clusters of about 4 - 5 blisters in 4 areas. The clusters are an inch in diameter and angry looking. Citirizine taking orally last two nights and hydrocortisone cream being applied after cleaning with alcohol. Has not spread bug how long will it take to ease the pain and dry out.

Category: Dermatologist

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Category: Sexually Transmitted Diseases(STD)Specialist
 21 Doctors Online

Thank you for your query at

This does not look like bug bite. It is herpes zoster.Herpes zoster is a viral infection that presents with segmental and clustered vesicles in a distribution of nerve. It can present with severe pain, itching, tingling or pin pricking sensation.
Now to treat the same, I usually prescribe
Tablet valcyclovir 1000mg thrice in a day for seven days. It is an antiviral and is given to decrease viral load. Also it prevents complications of herpes zoster.
Tablet pregablin 75 mg thrice in a day. Pregablin reduces pain. Sometimes oral tramadol tablets have to be added if pain is too severe.
Tablet levocetirizine twice daily to reduce itching.
Mupirocin cream to be applied twice daily over lesions.
Usually the lesions crust and heal in seven to ten days. In some patients complications like severe itching, tingling, pain or scarring may persist even when lesions are gone. Also it has to be kept in mind that its a viral infection caused by the virus that causes chicken pox. So a person who never had chicken pox in life may contract it when being in close contact with a person who has herpes zoster.
I would suggest that you meet a dermatologist nearby as all medicines mentioned above are prescription based and should be taken after doctor's Consultation.
Hope this helped. Should there be a doubt, please write back.

Dr. Kalpana Pathak
Category: Sexually Transmitted Diseases(STD)Specialist
M.D. from Pt. B D Sharma Postgraduate Institute of Medical Sciences, Rohtak in 2011 with Haryana State Dental & Medical Council
M.B.B.S from MLN medical college allahabad in 2006 with Uttar Pradesh Medical Council
Dr. Kalpana Pathak and 4 other Medical Specialists are ready to help you

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