A class of drugs that elevates mood, increases feelings of well-being and increases energy and alertness. Some stimulants produce euphoria, such as for example cocaine and methamphetamine. Another group of stimulants such as methylphenidate or mix of amphetamine salts are often prescribed to treat Attention deficit hyperactivity disorder (ADHD), such as for example Adderall®, Ritalin®, Concerta®.
