Phentermine might not be right for you if you have certain medical conditions or take certain medications, including:

• Heart disease or high blood pressure.
• Overactive thyroid gland or glaucoma.
• Pregnancy, potential pregnancy, or breastfeeding.
• Recent use of monoamine oxidase inhibitors (MAOIs).
• History of drug abuse or hypersensitivity to sympathomimetic amines

Dry mouth, Unpleasant taste, Diarrhea, Constipation, Vomiting, Increased blood pressure, Heart palpitations, Restlessness, Dizziness, Tremor, Insomnia, Shortness of breath, Chest pain, Swelling of legs and ankles, Difficulty performing exercises

Tell your doctor before using this medication about your medical condition such as Type 2 diabetes, hypertension, seizure disorder, kidney problems, heart disease, Tourette’s syndrome.
Phentermine belongs to the amphetamine family and prolonged use may therefore result in the development of tolerance, dependency or abuse.
Warnings:
Coadministration with other weight loss drugs is not recommended.
Concomitant alcohol use may result in adverse reactions.
Reduction in dose of insulin or oral hypoglycemic medication may be required for patients with diabetes.
Medical Disclaimers:
Phentermine is FDA-approved for short-term use for weight loss. Prescribing medications is at the discretion of a healthcare provider. Always follow the guidance of a medical professional when taking this medication.