Phentermine is an amphetamine and phenethylamine which is approved for use as an appetite suppressant. It is usually prescribed only for patients who are severely obese and should be combined with behavior modification, diet and exercise. Phentermine works by the release of neurotransmitters in the brain that act as stimulants and suppress appetite
Look at the Phentermine drug situation classification. It is a controlled substance because individuals may become dependent, and is classified as a Schedule IV drug. Planner I have the greatest potential for abuse and Schedule V has the lowest, so phentermine have a relatively low potential for abuse.
Take phentermine for short term use. The Food and Drug Administration generally recommend that its use is limited to 12 weeks due to drug tolerance. Phentermine may lose its effectiveness as an appetite suppressant by the body adapts to it.
Read contraindications and warnings. You should not take phentermine at all if you are allergic to any of sympathomimetrics, has taken a drug similar to phentermine in the last 14 days or have a history of substance abuse. It is also contraindicated if you have an overactive thyroid, glaucoma, heart disease or high blood pressure.
Consult your doctor before taking phentermine if you are pregnant, trying to become pregnant or breastfeeding.
Expect phentermine to be generally well tolerated. Possible side effects are relatively mild and consistent with other amphetamines. Learn more about phentermine on LIVESTRONG. com.