Why Do Stimulants Make You Thirsty?

Why Do Stimulants Make You Thirsty? Adderall inhibits the production of saliva in your mouth, which effects your hydration in general. Do stimulants cause dehydration? A variety of substances can cause dehydration, these include alcohol, stimulants such as cocaine and ecstasy and opioids such as heroin or codeine. Does speed dehydrate you? Dehydration – Amphetamines