Laudanum drug (No. 9639) under the Controlled Substances Act. In the United States, opium tincture is marketed and distributed by several pharmaceutical firms, each producing a single formulation of the drug, which is deodorized. Each mL contains 10 mg of anhydrous morphine (the equivalent of 100 mg of powdered opium), other opium alkaloids (except noscapine), and ethanol, 19%. It is available prepackaged in bottles of four ounces (118 mL) and 16 ounces (1 pint or 473 mL). Tincture of Opium is known as one of many "unapproved drugs" regulated by the U.S. Food and Drug Administration (FDA); the marketing and distribution
Desensitization (medicine) include: Desensitization (medicine) In medicine, desensitization is a method to reduce or eliminate an organism's negative reaction to a substance or stimulus. In pharmacology, "drug desensitization" is equivalent to drug tolerance, though the latter term refers to the more general concept of subjects' reactions (positive or negative) to a drug reducing following its repeated use. For example, if a person with diabetes mellitus has a bad allergic reaction to taking a full dose of beef insulin, the person is given a very small amount of the insulin at first, so small that the person has no adverse reaction or very