Methamphetamine is a drug used to treat Attention deficit hyperactivity disorder (ADHD) which affects children. It is also used in adults who are overactive, cannot concentrate for very long, are easily distracted & impulsive. Abuse of this drug has drastically increased all over the world as it gives a feeling of well being, increases libido, high energy levels & reduces appetite. This drug has serious side effects, hence it is very important to take the drug exactly as prescribed by your doctor. This test checks whether there is compliance to the dosage prescribed for you. It also detects toxicity in your body.