July 30, 2015
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Belviq

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Belviq

BELVIQ
(lorcaserin hydrochloride) Tablets




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 C H C11H15Cl2N•05H2O, 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: 3/3/2015
This monograph has been modified to include the generic and brand name in many instances.

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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