W8MD weight loss

Brand names

  • Belviq®
  • Belviq® XR

Lorcaserin (Belviq) Uses

Approved for adults who are overweight with a BMI of over 27 with at least one weight related comorbid condition or obese with a body mass index o over 30.

Mechanism of action

Acts on the serotonin receptors in your brain. May help you feel full after eating smaller amounts of food.

What are the indications for Belviq?

Belviq (lorcaserin) is an FDA approved, weight loss, prescription medication used to help adults who are obese or who are overweight based on the following criteria
  • Overweight with a BMI of over 27 with at least one weight related comorbid condition such as high blood pressure, diabetes, sleep apnea etc.
  • Or, are obese with a BMI of over 30

What diet should one be on while taking Belviq?

Lorcaserin must be used along with a reduced calorie diet, preferably, low carbohydrate diet, and an exercise plan.

What type of medication is Belviq?

Belviq is in is in a class of medications called serotonin receptor agonists.

How does Belviq work?

Belviq works by increasing feelings of fullness so that less food is eaten.

How should Belviq be used?

Lorcaserin comes as a regular dose tablet of 10 mg taken twice a day or extended release formulation  of 20 mg taken once a day

Should I take Belviq with or without food?

  • The tablets are usually taken with or without food twice a day.
  • The extended-release tablets are usually taken with or without food once a day.

Precautions for taking Belviq

  • Take lorcaserin at around the same times every day.
  • Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
  • Take lorcaserin exactly as directed.
  • Do not take more or less of it or take it more often than prescribed by your doctor.
  • Swallow the extended-release tablets whole; do not split, chew, or crush them.

What you should know about Belviq?

  • Although Belviq is a DEA controlled class IV drug, it is rare to see true withdrawal or dependence.
  • Follow the instructions on duration of treatment as recommended by your doctor.
  • After a trial of 3 months, you are expected to lose at least 5 percent of your body weight, and if not, your doctor may stop this medication.
  • Do not stop taking lorcaserin without informing your doctor.

What special precautions should I follow?

Tell your doctor if you take any medications that may interact with Belviq or you take any other serotonin based medications such as antidepressants called SSRI’s, MAOI inhibitors

What should I do if I forget a dose?

  • Take the missed dose as soon as you remember it unless it is too close to the next dose.
  • Do not take a double dose to make up for a missed one.

Side effects of Beliq

  • constipation
  • dry mouth
  • excessive tiredness
  • pain in the back or muscles
  • headache
  • dizziness
  • difficulty falling asleep or staying asleep
  • anxiety
  • difficult, painful, or frequent urination
  • cough
  • toothache
  • blurred vision or other vision changes
  • dry eyes
  • Some side effects can be serious.
  • confusion
  • hallucinations
  • difficulty with coordination
  • muscle spasms, stiffness, or twitching
  • restlessness
  • fast, slow, or irregular heartbeat
  • sweating
  • fever
  • nausea
  • vomiting
  • diarrhea
  • difficulty breathing
  • swelling of the hands, arms, feet, or legs
  • difficulty paying attention or remembering information
  • depression
  • thinking about harming or killing yourself or planning or trying to do so
  • feeling high or unusually happy
  • feeling as though you are outside of your body
  • erection that lasts longer than 4 hours
  • discharge from the breast
  • breast enlargement in males
Lorcaserin may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.


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W8MD’s Physicians that can prescribe Belviq or other weight loss medications


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W8MD Weight Loss, Sleep & Aesthetic Services


* NE Philadelphia at 1718 Welsh Road, 2nd Floor, Ste C Philadelphia PA, 19115
*Wayne (King Of Prussia) at 987 Old Eagle School Road, Building K, Ste 712, Wayne PA 19087

Call 215-676-2334 

New York

* Brooklyn W8MD Weight Loss, Sleep & MedSpa, Brooklyn, New York

2632 E 21st Street Ste L2 Brooklyn New York 11235.

* Manhattan W8MD Weight Loss, Sleep and MedSpa in Manhattan (new location)

401 East 55th Street, New York, New York 10022

Call 718-946-5500

New Jersey

  • New Jersey at Cherry Hill, NJ at 140 E. Evesham Road, Cherry Hill, NJ 08003.

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Savings card and coupons for Belviq

The manufacturer offers savings cards and coupons from time time.


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