Drug details

Qsymia (phentermine and topiramate)

type of Stimulants

Qsymia (phentermine and topiramate extended-release) is a combination appetite suppressant/stimulant and seizure medication indicated as an adjunct to a reduced-calorie diet and increased physical activity for chronic weight management in overweight and obese adults.

This drug may have the following side effects:
  • nausea,
  • headache,
  • palpitations,
  • dizziness,
  • blurred vision,
  • indigestion,
  • diarrhea,
  • cough,
  • runny or stuffy nose,
  • constipation,
  • loss of appetite,
  • dry mouth,
  • trouble sleeping (insomnia),
  • tiredness,
  • depression,
  • rash,
  • confusion, 
  • stomach pain or upset,
  • anxiety,
  • back pain,
  • muscle pain,
  • flu symptoms,
  • fatigue,
  • numbness or tingly feeling,
  • hair loss,
  • irritability,
  • urinary tract infection,
  • dry eyes,
  • sinus infection,
  • upper respiratory tract infection,
  • muscle spasms,
  • changes in menstrual periods,
  • pain in extremities,
  • eye pain, 
  • bronchitis,
  • mood changes such as depression,
  • altered sense of taste,
  • unpleasant taste in your mouth,
  • thirst,
  • neck pain, or
  • problems with concentration, attention, memory or speech.
The following drugs are related to Qsymia, either as a replacement or used together:
  • Adipex-P (phentermine hydrochloride)
  • Alli (orlistat 60 mg)
  • Belviq (lorcaserin hydrochloride)
  • Belviq XR (lorcaserin hydrochloride extended release tablets)
  • Contrave (naltrexone hcl and bupropion hcl extended-release tablets)
  • Fastin (phentermine)
  • Imcivree (setmelanotide injection, for subcutaneous use)
  • Saxenda (liraglutide [rdna origin]) injection)
  • Meridia (sibutramine hydrochloride monohydrate)
  • Xenical (orlistat 120 mg)
  • Plenity (superabsorbent hydrogel particles in capsules)
  • Wegovy (semaglutide injection)