Can I Take Codeine If I Am Allergic To Morphine? (Top voted first)

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I want to take codeine but am allergic to morphine and I've heard that they are similar drugs. So I want to know if this is true, and if so, could I possibly die from that sort of reaction?

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Codeine and Morphine are two different drugs, but they are both opiate pain killers. Furthermore, when your body metabolizes the Codeine, it is converted into Morphine. In some patients, this may result in lethal blood levels ... Some people may have allergic reactions to codeine, such as the swelling of skin and rashes ... A potentially serious adverse drug reaction, as with other opioids, is respiratory depression. [1] You may very well be at risk of an allergic reaction and should work closely with your doctor to ensure that it would be safe to take.

I hope this helps! Can you write back and let me know what your doctor says?

Ref: Codeine Details (Wiki), see Adverse Effects

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I have had a reaction to morphine. I have just been prescribed Tylenol with codiene #3 and wondering will I have the same reaction?

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Hi Kenneth, is your prescribing physician aware of your reaction to morphine? If so, then they must have deemed it safe enough to take in spite of that. If not, then please make them aware of it. I would triple check with them and/or the pharmacy just to be safe. For example, I am allergic to codeine, but am perfectly fine taking hydrocodone (even though they are both opiates).

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