Brief Answer: painful blisters and cough and breathlessness resp Detailed Answer: Hello XXXXXXX Shingles is the name given to infection caused by Herpes Zoster. In this a nerve root is affected by a virus called V zoster resulting in blister type rashes along a band of skin supplied by that particular nerve. It can be very painful. Sarcoid is a multisystem disease which involves many systems, lung being the commonest. The exact cause is still not known and falls in the category of autoimmune and collagen vascular disorder. Affected patients may be asymptomatic or may have dry cough and breathlessness. Enlarged lymph nodes in the chest is a sign of sarcoidosis. There may be other features also like a retcular pattern of lung parenchyma. There may be joint pains if affected. Skin, eyes, brain and kidneys are other organs which may be involved. Take care.

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