Prescription stimulants used to treat Attention-deficit hyperactivity disorder (ADHD). Used as a study aid, to stay awake, and to suppress appetites. Prescribed as Adderall®, Concerta®, Dexedrine®, Focalin®, Metadate®, Methylin®, Ritalin®.

White, crystalline powder derived from coca leaves. Cocaine base (crack) looks like small, irregularly shaped white rocks. Cocaine is an intense, euphoria-producing stimulant drug with strong addictive potential.

Stimulant drug made from the leaves and twigs, evergreen shrub. Active ingredients are cathine and cathinone.

Stimulant that speeds up body’s system that comes as pill or powder. Available in prescription as Desoxyn® to treat obesity and ADHD. Crystal meth resembles glass fragments and is an illegally altered version of the prescription drug that is cooked with over-the-counter drugs in meth labs.