Phentermine

Definition

Phentermine is a prescription medication that acts as an appetite suppressant, primarily used for short-term management of obesity. It stimulates the central nervous system to increase heart rate and decrease appetite, helping individuals reduce food intake and promote weight loss. The use of phentermine is typically coupled with a low-calorie diet and exercise to achieve better outcomes.

5 Must Know Facts For Your Next Test

1. Phentermine is classified as a Schedule IV controlled substance due to its potential for abuse and dependence, although it is generally considered safer than many other weight-loss medications.
2. This medication is intended for short-term use, typically prescribed for a few weeks to help jumpstart weight loss in individuals who are classified as obese or overweight.
3. Common side effects of phentermine include increased heart rate, dry mouth, insomnia, and constipation, and it should be used with caution in individuals with pre-existing heart conditions.
4. Phentermine is often combined with lifestyle changes such as diet and exercise to maximize its effectiveness in promoting weight loss.
5. Long-term use of phentermine is not recommended due to concerns about tolerance and potential health risks associated with prolonged stimulant use.

Review Questions

• How does phentermine function in the body to aid in weight loss, and what physiological mechanisms are involved?
  • Phentermine functions by stimulating the central nervous system, which increases the release of neurotransmitters such as norepinephrine. This leads to increased heart rate and reduced appetite, helping individuals consume fewer calories. By affecting specific brain pathways related to hunger signals, phentermine makes it easier for individuals to adhere to a calorie-restricted diet, ultimately aiding in weight loss.
• Discuss the legal status of phentermine and how its classification as a controlled substance affects its prescription and use.
  • Phentermine is classified as a Schedule IV controlled substance under the Controlled Substances Act, which means it has a recognized medical use but also poses a risk for abuse and dependence. This classification restricts its availability, requiring a prescription from a licensed healthcare provider. The regulations surrounding its use are designed to ensure that it is prescribed responsibly while still allowing patients access to an effective weight-loss aid when necessary.
• Evaluate the implications of using phentermine for weight loss in the context of long-term health outcomes and patient safety.
  • The use of phentermine for weight loss raises important considerations regarding long-term health outcomes. While it can be effective for short-term weight loss, prolonged use may lead to tolerance and dependence. Additionally, potential side effects such as increased heart rate or other cardiovascular issues could pose significant risks for some individuals. Therefore, it's crucial for healthcare providers to carefully monitor patients using phentermine and encourage comprehensive lifestyle changes to support sustainable weight management without relying solely on pharmacotherapy.

Related terms

obesity: A medical condition characterized by excessive body fat accumulation that can lead to various health problems, including heart disease, diabetes, and hypertension.

appetite suppressant: A type of drug or substance that reduces the sensation of hunger, helping individuals to eat less and control their food intake.

controlled substance: Drugs that are regulated by law due to their potential for abuse or dependency, which includes certain weight-loss medications like phentermine.