Phentermine is used to help you lose weight.
Take phentermine as part of a weight loss plan from a health professional.
Take phentermine regularly as directed with a glass of water. Swallow the capsules whole.
It is best to take phentermine in the morning as it can cause trouble sleeping.
If it is after lunchtime, skip the missed dose and take your next dose at the usual time. Otherwise, take the missed dose as soon as you remember. Do not take two doses at the same time.
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.
Side Effects | Recommended action |
---|---|
Chest pain |
Tell your doctor immediately |
Fast or irregular heartbeat Swollen feet or legs, short of breath Unusual behaviour or thinking |
Tell your doctor |
Trouble sleeping, restlessness, nervousness Headache Dry mouth, unpleasant taste Stomach upset Trouble getting or keeping an erection |
Tell your doctor if troublesome |
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the MyMedicines Committee at Christchurch Hospital, Te Whatu Ora - Waitaha, New Zealand. March 2023
For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?
Te Reo Māori information sheets supported by Health Quality and Safety Commission New Zealand
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at Te Whatu Ora – Waitaha. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed