Phentermine in Canada
Phentermine is a short-term prescription medication used to support weight management in individuals with obesity. You can consult with a Canadian-licensed provider online. If appropriate, they may prescribe Phentermine at their discretion.

- Prescriptions available at a provider’s discretion
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Talk to a doctor about Phentermine online
Speak to a Canadian-licensed healthcare provider to discuss your weight health goals. If appropriate, they may prescribe Phentermine following an individualized assessment.
How to get Phentermine in Canada
- 1
Register and become a member
- 2
Select the “Get care” button on our homepage
- 3
Connect with a licensed healthcare provider specializing in weight loss medication to discuss your health needs
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Frequently asked questions
About Phentermine
Phentermine at a Glance
- Pronunciation: FEN-ter-meen
- Drug Classes: anorexiant (appetite suppressant), sympathomimetic amine
- Availability: Prescription only; no generic available
- Form: Oral tablet or capsule
- Typical Strength: 15 mg, 30 mg, 37.5 mg (once-daily doses)
Phentermine is a prescription medication used to suppress appetite, and is meant to support people with obesity. It works by stimulating the release of neurotransmitters in the brain, reducing hunger and promoting feelings of fullness. Typically prescribed for short-term use alongside a healthy diet and exercise, Phentermine helps manage obesity and related health risks.
Phentermine is only one of several tools available for weight management and should be used under medical supervision, along with diet and exercise.” It works by suppressing appetite, which helps individuals reduce calorie intake. When used in conjunction with a healthy diet and exercise, Phentermine supports weight reduction in patients with a body mass index (BMI) of 30 or higher, or 27 or higher with additional risk factors. This medication is typically used for short-term weight management and is not recommended for long-term use.
Before starting Phentermine, it’s essential to confirm if it’s suitable for you. Certain health conditions and medications may interact negatively with Phentermine, so always consult with your healthcare provider first.
Phentermine should not be taken by individuals who:
- Have a history of heart disease, including coronary artery disease, heart rhythm problems, or stroke
- Have severe or uncontrolled high blood pressure
- Have glaucoma or an overactive thyroid
- Are pregnant or breastfeeding
- Have a history of drug abuse or are taking other diet medications
- Have a history of extreme agitation or nervousness
- Have kidney disease or heart valve disorder
Like most medications, Phentermine can cause side effects. Common side effects include:
- Dry mouth
- Dizziness
- Insomnia
- Constipation
- Increased heart rate
Serious side effects may include:
- Chest pain or palpitations
- Shortness of breath
- Increased blood pressure
- Risk of heart problems
- Risk of addiction or misuse
- Severe gastrointestinal issues
This is not an exhaustive list. Always consult your provider about potential side effects.
Phentermine should be taken exactly as prescribed by your doctor. It is usually taken once a day, either before breakfast or 1 to 2 hours after. It can also be taken in divided doses, typically 30 minutes before meals. Do not take more than the prescribed dose, and avoid using it for longer than recommended, as it is meant for short-term use. Follow your doctor’s instructions carefully for the best results and to minimize risks.
Phentermine’s effects typically last for about 12 to 14 hours after taking a dose. It is designed to suppress appetite for a short period, usually helping to reduce hunger throughout the day. However, its effectiveness may decrease over time as your body becomes accustomed to the medication. For optimal results, it’s important to follow your doctor’s instructions regarding dosage and timing.
The cost of Phentermine in Canada can vary depending on the pharmacy and location. On average, a month’s supply can range from $40 to $100, depending on the dosage and whether you are purchasing the brand name or a generic version. For the most accurate pricing, it’s best to consult a healthcare provider.
Phentermine is generally not covered under most provincial health plans in Canada for weight management purposes. However, some private insurance plans may offer coverage if it is prescribed for obesity-related health conditions, such as high blood pressure or diabetes. It’s recommended to check with your insurance provider to confirm whether Phentermine is covered under your specific plan.
Yes, Phentermine, like all medications, has an expiration date. After this date, the effectiveness of the medication may decrease, and it may not be safe to use. Always check the expiration date on the packaging and dispose of expired medication properly. If you’re unsure about the expiration of your Phentermine, consult your pharmacist.
No, Phentermine is not available over the counter. It is a prescription medication, meaning you need a prescription from a healthcare provider to obtain it. It is typically prescribed for short-term weight management in people with obesity or obesity-related health risks.
In Canada, Phentermine can be prescribed by licensed medical doctors, including general practitioners, endocrinologists, and other specialists involved in diet and weight management. To purchase Phentermine in Canada or through online pharmacies, you must have a valid prescription.
Virtual care platforms like Maple are available to help connect people with licensed Canadian healthcare providers who can evaluate eligibility and prescribe Phentermine appropriate.
Several other Health Canada-approved medications are available for weight loss, other than Phentermine:
- Semaglutide (Ozempic, Wegovy) – A medication that regulates blood sugar, slows digestion, and reduces appetite for weight loss.
- Ozempic (Semaglutide) – Originally for diabetes, it is often used off-label for weight loss by curbing hunger.
- Contrave (naltrexone/bupropion), which affects areas of the brain involved in appetite regulation and reward
- Mounjaro (Tirzepatide) – A newer injectable medication that targets multiple hormone pathways to support weight loss.
- Wegovy (Semaglutide) – A higher-dose version of Ozempic, specifically approved for weight management.
- Saxenda (Liraglutide) – An injectable prescription that regulates hunger and promotes a feeling of fullness.
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