What are the side effects of progesterone?

Common side effects of progesterone include bloating, breast tenderness, diarrhea, dizziness, drowsiness, dry mouth, exhaustion, headache, heartburn, irritability, muscle pain, nausea, stomach pain and cramping, and vomiting. Progesterone may cause serious, life-threatening side effects, including allergic reaction. If you experience signs of an allergic reaction, such as swelling, hives and difficulty breathing, seek immediate medical attention. You should talk to your doctor if you experience any of these serious side effects: vaginal bleeding; chest pain; mood changes; pain or lumps in the breast; one-sided weakness; sudden severe headache or vomiting; shortness of breath; swelling of the ankles or fingers; and vision changes. Progesterone may cause unexpected side effects that are not described above. If you experience an unanticipated reaction while taking progesterone, talk to your doctor.

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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.