To this was added 5ml of distilled h20. I think you could figure that swim dosn't feel too good, swim's heart dosn't seem to be racing too fast, but earlier swim had started sweating really bad from the four 20mg adderalls and to add to that swim took those other 3 and from that point. Adderall And Caffeine Can You Take Adderall With Your Morning Coffee But for this, patients can’t rely on increasing the dosage because that could lead to abuse, addiction, and other related risks. Adderall ir and coffee . I’ve read somewhere that adderall kind of cuts off caffeine’s ability to be effective. Coffee will not increase tolerance to adderall, but it is still a stimulant. It is used in the treatment of attention deficit hyperactivity disorder, also known as adhd. High acidity or ph level in the gastrointestinal system can cause excessive absorption of adderall compounds which hampers its effectiveness. It’s commonly prescribed to treat attention deficit hyperactivit...