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