Laudanum from AIDS and cancer. Deodorized Tincture of Opium (DTO) is sometimes also erroneously employed to abbreviate ""diluted" tincture of opium", a 1:25 mixture of opium tincture to water prescribed to treat withdrawal symptoms in newborns whose mothers were using opioids while pregnant. The United States Pharmacopeia and FDA recommend that practitioners refrain from using DTO in prescriptions, given this potential for confusion. In cases where pharmacists have misinterpreted DTO, and received "deodorized tincture of opium" when "diluted tincture of opium" was meant, infants have received a massive 25-fold overdose of morphine, sometimes resulting in fatalities. Side effects of laudanum are
Prescription drug Prescription drug A prescription drug (also prescription medication or prescription medicine) is a pharmaceutical drug that legally requires a medical prescription to be dispensed. In contrast, over-the-counter drugs can be obtained without a prescription. The reason for this difference in substance control is the potential scope of misuse, from drug abuse to practicing medicine without a license and without sufficient education. Different jurisdictions have different definitions of what constitutes a prescription drug. "Rx" (℞) is often used as a short form for prescription drug in North America - a contraction of the Latin word ""recipe"" (an imperative form of "recipere")