No, they’re not. Instead, the dosages of Adderall and Adderall XR for Older people are according to the ailment the drug is dealing with.A lethal dose of methaqualone, the Lively ingredient in Quaaludes, is eight grams, about 30 moments what was within a Quaalude pill. However, if the drug was blended with Liquor, the lethal dose is much smaller