It might not: It is unlikely that you only have bumps in the back of your neck but not in your scalp or elsewhere if you are allergic to the shampoo that you are using. A skin rash needs to be seen to know what it is. You should come see a local physician to be evaluated if that rash bothers you.
Answered 11/19/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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