Should I stop taking them? I have arthritis in my neck.
No, that is not an allergy. It might make you hyper, but thats a side effect, not an allergy. Allergic reactions are the same no matter what they are to, difficulting breathing, hives and itching.
Anything you're taking that is not agreeing with you should be discontinued, unless there is something else causing this?
Some people do feel "hyper" on opioid medications (codeine is an opioid). The side pain can be due to constipation caused by the codeine. If this is troublesome to you, stop taking them or tell your Dr what is happening and find a different medication for your pain.
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