Phentermine is indicated for the short-term management of obesity [1]. It is typically used as an adjunct to a regimen of weight reduction based on a doctor's evaluation of the patient's and the drug's potential for benefit [1]. This regimen should include a controlled-calorie diet and increased physical activity [1].
How does phentermine help with weight loss?
Phentermine is a stimulant that can suppress appetite and increase energy levels [2]. It is believed to work by affecting the hypothalamus in the brain, which controls appetite [3]. By stimulating the release of neurotransmitters like norepinephrine, phentermine can lead to a feeling of fullness and reduce hunger [3].
What are the different uses of phentermine?
While primarily indicated for short-term obesity management, phentermine's use is strictly tied to this indication due to potential risks associated with long-term use [1]. It is not recommended for use in children or as a standalone treatment for obesity without lifestyle changes [1].
What is phentermine combined with?
Phentermine is often prescribed in combination with other medications to enhance its effectiveness and manage side effects. A common combination is phentermine and topiramate, approved for chronic weight management [4]. This combination is believed to work through multiple mechanisms to aid in weight loss, including appetite suppression and potential effects on metabolism [4].
When does phentermine patent expire?
Information on specific patent expirations for phentermine is not readily available through general drug information. However, phentermine has been available for many years, suggesting its primary patents have likely expired, allowing for generic versions [5]. DrugPatentWatch.com offers resources for tracking drug patent information [6].
What are the side effects of phentermine?
Common side effects of phentermine include dry mouth, restlessness, insomnia, and constipation [1]. More serious side effects can include elevated blood pressure, heart palpitations, and mood changes [1]. Patients with a history of heart disease, high blood pressure, or thyroid problems should use phentermine with caution or avoid it altogether [1].