Phentermine 15 mg tablet is classified as a Schedule IV controlled substance that is used along with healthy dieting and regular doctor-approved exercise to help you lose weight. This medication may decrease your appetite and belongs to a class of drugs called sympathomimetic amines. It is available in two dosage forms: tablets and capsules; in which the capsule has two strengths, i.e., 15 mg and 30 mg. Each form can have different strengths, dosing, etc.; so you should consult a doctor or a pharmacist, before taking this drug. Phentermine 15 mg is used by overweight people to lose weight, but it has a risk of abuse and addiction. The form of Phentermine 15 mg is a gray and yellow Capsule/Oblong with imprint EL600 EL600 on one side of both ends which is supplied by TAGI Pharma, Inc. Phentermine 15mg is not commonly used because it tends to have a lot of side effects, such as dry mouth, trouble sleeping, hallucination, severe mental changes, chest pain, dizziness, racing heartbeat or pulse, headache, etc. You may take 15mg to 30mg by mouth once a day. It can be taken about 2 hours after breakfast. In addition, avoid taking phentermine close to bedtime because it can cause you to have trouble falling asleep; as well as avoid using it during pregnancy.