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A member asked:
For what reason might it be that opiates cause itching and headaches?
5 doctors weighed in across 2 answers
Side effects: Opiates cause a type of cell, called a mast cell to release histamine which causes the skin to itch and is treated with anti-histamines such as vistaril (rx) or Benadryl (diphenhydramine) (otc). As for the headaches this must be a side effect that you get as many times we treat headaches with opiates. Withdrawal from opiates can cause headaches as well as other signs and symptoms.
Answered 2/9/2017
5.2k views
Histamine: Opiates can cause itching or headaches by releasing histamine into the system. These can vary in severity and duration depending on the opiate being used and the individual taking them.
Answered 5/18/2016
5.2k views
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