Belviq Dosage
Generic name: LORCASERIN HYDROCHLORIDE HEMIHYDRATE 10mg
Dosage form: tablet
Drug class: Anorexiants
Medically reviewed by Drugs.com. Last updated on Apr 21, 2025.
- The recommended dose for BELVIQ is one 10 mg tablet administered orally twice daily.
- The recommended dose for BELVIQ XR is one 20 mg tablet administered orally once daily.
- Do not exceed recommended dose.
- BELVIQ/BELVIQ XR can be taken with or without food.
- Swallow BELVIQ XR tablets whole and do not chew, crush, or divide.
- Response to therapy should be evaluated by week 12. If a patient has not lost at least 5% of baseline body weight, discontinue BELVIQ/BELVIQ XR, as it is unlikely that the patient will achieve and sustain clinically meaningful weight loss with continued treatment.
- BMI is calculated by dividing weight (in kg) by height (in meters) squared. A BMI chart for height in inches and weight in pounds is provided below:
| Weight | (lb) | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 175 | 180 | 185 | 190 | 195 | 200 | 205 | 210 | 215 | 220 | 225 | |
| (kg) | 56. 8 | 59. 1 | 61. 4 | 63. 6 | 65. 9 | 68. 2 | 70. 5 | 72. 7 | 75. 0 | 77. 3 | 79. 5 | 81. 8 | 84. 1 | 86. 4 | 88. 6 | 90. 9 | 93. 2 | 95. 5 | 97. 7 | 100. 0 | 102. 3 | ||
| Height | |||||||||||||||||||||||
| (in) | (cm) | ||||||||||||||||||||||
| 58 | 147. 3 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | |
| 59 | 149. 9 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 43 | 44 | 45 | 46 | |
| 60 | 152. 4 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | |
| 61 | 154. 9 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | |
| 62 | 157. 5 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | |
| 63 | 160. 0 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 36 | 37 | 38 | 39 | 40 | |
| 64 | 162. 6 | 22 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 39 | |
| 65 | 165. 1 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 38 | |
| 66 | 167. 6 | 20 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 32 | 33 | 34 | 35 | 36 | 36 | |
| 67 | 170. 2 | 20 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 35 | |
| 68 | 172. 7 | 19 | 20 | 21 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 32 | 33 | 34 | 34 | |
| 69 | 175. 3 | 18 | 19 | 20 | 21 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 32 | 33 | 33 | |
| 70 | 177. 8 | 18 | 19 | 19 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 32 | 32 | |
| 71 | 180. 3 | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | |
| 72 | 182. 9 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | |
| 73 | 185. 4 | 17 | 17 | 18 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 30 | |
| 74 | 188. 0 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | |
| 75 | 190. 5 | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 28 | |
| 76 | 193. 0 | 15 | 16 | 16 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | |
More about Belviq (lorcaserin)
- Check interactions
- Compare alternatives
- Reviews (883)
- Drug images
- Side effects
- During pregnancy
- FDA approval history
- Drug class: anorexiants
Patient resources
Other brands
Professional resources
Other brands
Related treatment guides
See also:
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Mounjaro
Mounjaro is used for type 2 diabetes to help lower blood sugar levels. Mounjaro has also been shown ...
Wegovy
Wegovy (semaglutide) an FDA-approved weekly injection for weight loss and to reduce heart risks ...
Rybelsus
Rybelsus tablets are used to improve blood sugar control in adults with type 2 diabetes, and may ...
Zepbound
Zepbound (tirzepatide) is an FDA-approved weekly injection for weight loss and obstructive sleep ...
Victoza
Victoza helps control blood sugar levels and reduce the risk of serious heart problems in people ...
Saxenda
Saxenda (liraglutide) injection is used for weight loss in obese or overweight patients. Includes ...
Alli
alli blocks the absorption of some of the fat that you eat and is used to treat obesity. Learn ...
Tirzepatide
Tirzepatide is a once-weekly injection used for weight loss, sleep apnea, and type 2 diabetes ...
Phentermine
Phentermine is an appetite suppressant used together with diet and exercise to treat obesity. Learn ...
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
