Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. If too much is taken, it may become habit-forming (causing mental or physical dependence).
This medicine comes with a Medication Guide. Read and follow the instructions carefully. Ask your doctor if you have any questions.
Take this medicine once a day in the morning, with or without food. Avoid taking this medicine in the evening to prevent trouble sleeping.
Swallow the extended-release capsule whole. Do not crush, break, or chew it.
Carefully follow your doctor's instructions for a reduced-calorie diet plan and regular exercise. Talk with your doctor before starting any exercise program.
Your doctor should tell you to stop taking this medicine if you do not lose a certain amount of weight within the first 12 weeks of treatment.
It is important that you drink extra water every day while you take this medicine to help prevent kidney stones.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (extended-release capsules):
- For weight loss:
- Adults—At first, one tablet of 3.75 milligrams (mg) of phentermine and 23 mg of topiramate once a day for 14 days. After 14 days, your doctor may increase your dose to 7.5 mg of phentermine and 46 mg of topiramate once a day. Then, your doctor may increase your dose as needed up to 15 mg of phentermine and 92 mg of topiramate.
- Children—Use is not recommended.
- For weight loss:
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.