Stimulants

noun a brand name for a drug containing amphetamine, used as a stimulant

• The doctor prescribed Benzedrine to help with my narcolepsy.
• I took some Benzedrine to stay awake during the long drive.
• I heard some people use Benzedrine as a study drug.
• His energy was like he had taken a dose of Benzedrine.

noun a brand name for a prescription medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy

• Dexedrine is a prescription medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.
• My friend takes Dexedrine to help him focus better in school.
• I heard some students use Dexedrine as a study drug to stay awake and alert during exams.
• Taking Dexedrine felt like a magic potion that boosted my productivity and energy levels.

noun a synthetic compound used as a stimulant and appetite suppressant, especially in the form of its hydrochloride salt

• The doctor prescribed Methedrine to help treat the patient's narcolepsy.
• I heard Methedrine can give you a lot of energy, but it's not safe to use without a prescription.
• Some people use Methedrine as a study drug to help them stay awake and focused.
• His love for adventure was like a dose of Methedrine, always keeping him on the edge of excitement.

noun a condition resulting from excessive consumption of caffeine, characterized by nervousness, irritability, restlessness, and insomnia

• Caffeinism is a condition that results from excessive consumption of caffeine.
• I think I might have caffeinism from drinking too much coffee.
• Dude, you need to cut back on the caffeine or you'll get caffeinism.
• His obsession with work had turned into a kind of caffeinism, always needing that extra boost to keep going.