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Belviq

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Belviq

BELVIQ
(lorcaserin hydrochloride)

DRUG DESCRIPTION

BELVIQ (lorcaserin hydrochloride) is a serotonin 2C receptor agonist for oral administration used for chronic weight management. Its chemical name is (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride hemihydrate. The empirical formula is C11H15Cl2N•0.5H2O, and the molecular weight of the hemihydrate form is 241.16 g/mol.

The structural formula is:

BELVIQ (lorcaserin hydrochloride) Structural Formula Illustration

Lorcaserin hydrochloride hemihydrate is a white to off-white powder with solubility in water greater than 400 mg/mL. Each BELVIQ tablet contains 10.4 mg of crystalline lorcaserin hydrochloride hemihydrate, equivalent to 10.0 mg anhydrous lorcaserin hydrochloride, and the following inactive ingredients: silicified microcrystalline cellulose; hydroxypropyl cellulose NF; croscarmellose sodium NF; colloidal silicon dioxide NF, polyvinyl alcohol USP, polyethylene glycol NF, titanium dioxide USP, talc USP, FD&C Blue #2 aluminum lake, and magnesium stearate NF.

What are the possible side effects of lorcaserin (Belviq)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using lorcaserin and call your doctor at once if you have a serious side effect such as:

  • unusual thoughts or behavior, feelings of extreme happiness or sadness;
  • feelings of standing next to yourself or being outside of your body;
  • thoughts of suicide or hurting yourself;
  • agitation, hallucinations, fever, rapid heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of...

Read All Potential Side Effects and See Pictures of Belviq »

Last reviewed on RxList: 7/5/2012
This monograph has been modified to include the generic and brand name in many instances.

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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