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Qsymia is a prescription weight loss medication that combines phentermine and the anti-seizure/migraine medication topiramate.


Qsymia works by reducing appetite and making food seem less appealing, potentially due to the action of topiramate on neurotransmitters in the brain.


Users can expect to lose 5-10% of their body weight over 8 weeks while using Qsymia, with side effects including dizziness, altered taste, insomnia, constipation, dry mouth, and tingling of hands and feet.

Expected Weight Loss Over 8 Weeks
Side Effects
5-10% of body weight
Reduces hunger and food intake
Nausea, diarrhea, constipation, voimiting, potential risk of thyroid C-cell tumors
2-5% of body weight
Decreases appetite and cravings
Nausea, constipation, headache, voimiting, dizziness, insomina, dry mouth, diarrhea
5-10% of body weight
Appetite suppression
Dry mouth, insomina, dizziness, elevated heart rate and blood pressure
5-10% of body weight
Reduces appetite and can make food seem less appealing
Dizziness, altered taste, insomina, constipation, dry mouth, tingling of hands and feet
HCG injections
Varies (not universally accepted as effective)
May supress hunger
Fatigue, irritability, restlessness, depression, fluid buildup(edema), swelling of the breasts in boys and me (gynecomastia)
Varied (limited evidence on effectiveness)
May aid in fat breakdown and metabolism
Mild diarrhea, upset stomach, rash at the injection site, nausea


Qsymia may be more beneficial than other weight loss drugs due to its dual action of appetite suppression and making food less appealing, providing a two-pronged approach to weight management.

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