Yes...: Developing allergic reactions to some medications esp. Antibiotics would require prior exposure to the medicine. The allergies could be idiosyncratic meaning that it is time and dose independent.
Answered 4/19/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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