My right arm hurts, itches but no rash, sencitive to touch. Have tried calimine lotion but does not help.?

Could be . Hypersensitivity in one of the nerves but sounds like shingles. Depends on how long it has been going on. Could also be a pinched nerve in your neck or shoulder. Difficult to know without more details and or an exam.

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My right arm itches but no rash, sensitive to touch, pain have tried calimine lotion but doesn't help?

Get the diagnosis. There are many types and causes of skin rashes. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Insect bites can also be the cause of a rash on the skin. Have it evaluated by a professional and get the appropriate treatment. Read more...