A prescription drug called phentermine is frequently utilized as a quick fix for weight loss. It is a member of the sympathomimetic amine medication class, which suppresses hunger and speeds up metabolism.

Obese people who have tried unsuccessfully to lose weight through diet and exercise are frequently prescribed phentermine. It is designed for usage for a brief period of time, often a few weeks or months, as part of a comprehensive weight control program that also includes lifestyle modifications.

Phentermine is thought to function by increasing the production of specific neurotransmitters in the brain that regulate hunger, though its exact mode of action is still unclear. Phentermine can help people consume fewer calories and, as a result, lose weight by decreasing hunger.