Timing: allergic responses to medication are fairly common but determining particular symptoms are caused by taking a drug is difficult. the most useful sign is when the symptoms are new or unusual and occur closely in time to starting or increasing a dose. rashes especially hives often indicate allergy. severe allergy may cause swelling in throat, mouth or lips and can be life threatening - ask your MD
Answered 3/31/2015
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A doctor has provided 1 answer
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