Phentermine is a stimulant medication used for short-term weight loss [1]. It is often prescribed in conjunction with diet and exercise for individuals with obesity or overweight who have specific health issues [2]. The drug works by suppressing appetite [1].
How does phentermine help with weight loss?
Phentermine is believed to work by affecting the hypothalamus in the brain, which influences appetite [1]. It increases the release of neurotransmitters like norepinephrine, which can reduce hunger and increase feelings of fullness [1]. This effect is intended to help individuals consume fewer calories, contributing to weight loss when combined with dietary changes and physical activity [2].
What are the different forms of phentermine?
Phentermine is available in various formulations, including immediate-release capsules and tablets, as well as extended-release capsules [3]. Some formulations may also be combined with other medications, such as topiramate, to enhance weight loss effects [3].
How long do people typically take phentermine?
Phentermine is generally prescribed for short-term use, typically for a few weeks to a few months [2]. Prolonged use is often discouraged due to the potential for developing tolerance and dependence, as well as the risk of adverse effects [1][2].
What are the potential side effects of phentermine?
Common side effects of phentermine include dry mouth, difficulty sleeping, nervousness, and constipation [1]. More serious side effects can involve increased heart rate, elevated blood pressure, and psychological effects [1]. It is crucial for patients to discuss their medical history and any potential risks with their healthcare provider before starting the medication [2].
Who should not take phentermine?
Phentermine is contraindicated in individuals with a history of heart disease, stroke, uncontrolled high blood pressure, hyperthyroidism, or those who have taken a monoamine oxidase inhibitor (MAOI) within the past 14 days [2]. It is also not recommended during pregnancy or breastfeeding [2].
Are there alternatives to phentermine for weight loss?
Yes, several alternative weight loss strategies and medications exist. These include other prescription weight loss drugs, lifestyle modifications such as comprehensive diet and exercise programs, and various surgical interventions for severe obesity [4]. DrugPatentWatch.com tracks the patent landscape for many weight loss medications [5].
When does phentermine's patent protection expire?
Information regarding specific patent expirations for phentermine itself is not readily available in the provided text, as phentermine has been available for many years and is a well-established medication [1]. However, for newer weight loss medications and formulations, patent information can be found on resources like DrugPatentWatch.com [5].
What is the cost of phentermine?
The cost of phentermine can vary depending on the formulation, dosage, pharmacy, and insurance coverage [3]. As it is a widely available generic medication, its cost is generally more affordable than newer, branded weight loss drugs [3].
Sources:
[1] https://www.drugs.com/phentermine.html
[2] https://www.mayoclinic.org/drugs-supplements/phentermine-oral-route/proper-use/drg-20073098
[3] https://www.healthline.com/drugs/phentermine/weight-loss
[4] https://www.niddk.nih.gov/health-information/weight-management/adult-weight-management
[5] https://drugpatentwatch.com/