Macrilen™ (macimorelin) is a prescription oral solution that is used to test for adult growth hormone deficiency (AGHD).

• It is not known if Macrilen™ is safe and effective for use in people who have a body mass index (BMI) of greater than 40 kg/m²

• Taking Macrilen™ with certain other medications may cause irregular changes to your heart rhythm. Before taking Macrilen™, tell your health care provider about all of your medications, as you may need to temporarily stop taking some medications, including growth hormones, before you take Macrilen™
• Some medications may cause a false positive result when taken with Macrilen™. Before taking Macrilen™, tell your health care provider about all the medications you take, including growth hormone
• Tell your health care provider if you were recently diagnosed with hypothalamic disease, as this can cause a false negative result with Macrilen™
• You will need to fast (go without food) for at least 8 hours before taking Macrilen™

Macrilen^TM may cause serious side effects, including:

• Changed sense of taste, dizziness, headache, fatigue, nausea, hunger, diarrhea, upper respiratory tract infection, feeling hot, excessive sweating, sore nose and throat, and decreased heart rate

Please click here for Macrilen^TM Prescribing Information. 

Macrilen^TM is a prescription medication.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.