A76 blue pill is a medication that contains a combination of amphetamine and dextroamphetamine and has been identified as Adderall 10 mg . It is commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. The medication works by affecting certain chemicals in the brain that control attention span and impulse control. Common side effects of the medication include dry mouth, headache, nervousness, and trouble sleeping.