Will phentermine make you fill like you are going to faint?

Phentermine can cause side effects, including dizziness or lightheadedness, which may lead some individuals to feel faint. These symptoms are often due to its stimulant effects, which can increase heart rate and blood pressure. If you experience faintness while taking phentermine, it’s important to consult with a healthcare professional to evaluate your symptoms and determine the appropriate course of action. Always use phentermine as directed and report any concerning side effects.