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What are the side effects of anhydrous morphine?

Anhydrous morphine, or Paregoric, has the potential to cause a variety of side effects. You should call 911 if you experience any of these potentially serious side effects: symptoms of an allergic reaction, including breathing difficulty, tightness in your chest, hives, a rash, itching or swelling in your face, lips, tongue or throat; rapid or irregular heartbeat; breathing problems, such as shallow or weak breathing; seizures or convulsions; fainting; urination problems, such as a lack of urination or less urination than usual; severe constipation; stomach cramps; and bloating.

Other potential side effects that may be bothersome but are less likely to be serious include: sweating more than usual; mild constipation; loss of appetite; stomach pain; nausea; vomiting; dizziness; drowsiness; fatigue; restlessness; and flushing, which is a warm, tingling sensation accompanied by a reddening of your skin. You should talk to your doctor if any of these side effects become severe or long-lasting.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.