What are the side effects of Follistim AQ?

Some of the more common side effects of Follistim AQ (follitropin beta) use include:

  • breast tenderness; spotting or menstrual changes; flu-like symptoms (fever, chills, nausea, 
  • joint pain, muscle aches); general body discomfort; ovarian enlargement resulting in stomach
  • discomfort, pain, or tenderness; dizziness; dry skin; rash; hair loss; nausea; vomiting;
  • diarrhea; gas; and headache.

More severe side effects may include:

  • abnormal vaginal bleeding; chest pain; groin or calf pain; severe pelvic pain; sudden and severe
  • headache; stomach pain or bloating; diarrhea; nausea; vomiting; indigestion; fast, slow, or irregular heartbeat; infrequent urination; pain or redness at the injection site; pain, warmth,
  • redness, numbness, or tingling in an arm or leg (which may indicate a blood clot); weakness; and weight gain.

It is also possible you may experience an allergic reaction to this drug, which can include symptoms such as hives, rash, trouble breathing, a tight chest, and swelling of the face, lips, tongue, or mouth. If you experience any severe side effects, seek medical attention immediately. Additionally, about five percent of patients who use this drug may develop ovarian hyperstimulation syndrome (OHSS), particularly after the first cycle of use. Symptoms of this potentially fatal syndrome include severe pelvic pain, abdominal pain and swelling, swelling of the hands or legs, weight gain, low urine output, diarrhea, shortness of breath, and nausea or vomiting. Tell your doctor immediately or seek emergency medical help if you have any of these symptoms.

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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.