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What should I know before taking lorcaserin?

Donna Hill Howes, RN
Family Practitioner

If you have congestive heart failure, slow heart rate, or heart block greater than first degree, lorcaserin may not be a good option for you.

Weight loss can increase the risk of low blood sugar in people taking insulin or drugs that stimulate insulin production in the pancreas.

If you have severe kidney impairment or end-stage renal disease, lorcaserin can lead to side effects and should be avoided.

If you are pregnant, planning to become pregnant, or may be pregnant, you should not take lorcaserin.

If you are breastfeeding, lorcaserin may not be a good option for you. It is not known if this drug can be passed into breast milk.

If you have leukemia, multiple myeloma, sickle cell anemia, severe liver impairment, or Peyronie disease, lorcaserin may not be a good option for you.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a 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.