Table 1: FDA-approved weight loss drugs.
Weight Loss Drug | Dosage Range (Daily) | Weight Loss % after 24-56 weeks | Side Effects |
Bupropion/Naltrexone (Contrave) | 90/8 - 360/32 mg | 7.2 - 10.1% (24 weeks) | Nausea, dizziness, insomnia, dry mouth, bowel changes |
Liraglutide (Sexenda) | 0.6 - 3 mg | 8.0% (56 weeks) | Nausea, diarrhea, nasopharyngitis, headache |
Lorcaserin (Belviq) | 10 - 20 mg | 4.7 - 5.8% (52 weeks) | Nausea, Headache, dizziness, dry mouth, constipation, cough |
Orlistat (Xenical) | 120-360 mg | 2.9% (52 weeks) | GI disturbance, cholelithiasis |
Topiramate/phentermine (Qsymia) | 23/3.75 - 92/15 mg | 8.1 - 10.2% (52 weeks) | Paresthesia, dizziness, dysgeusia, constipation, dry mouth |