depo-subQ provera 104 contains medroxyprogesterone acetate (MPA), a derivative of progesterone, as its active ingredient. Medroxyprogesterone acetate is active by the parenteral and oral routes of administration. It is a white to off-white, odorless crystalline powder that is stable in air and that melts between 205°and 209°C. It is freely soluble in chloroform, soluble in acetone and dioxane, sparingly soluble in alcohol and methanol, slightly soluble in ether, and insoluble in water.

Plasma-Lyte® M and 5% Dextrose Injection (Multiple Electrolytes and Dextrose Injection, Type 2, USP) is a sterile, nonpyrogenic solution for fluid and electrolyte replenishment and caloric supply in a single dose container for intravenous administration. Each 100 mL contains 5 g Dextrose Hydrous, USP*, 161 mg Sodium Acetate Trihydrate, USP (C2H3NaO2•3H2O); 138 mg Sodium Lactate (C3H5NaO3), 119 mg Potassium Chloride, USP (KCl), 94 mg Sodium Chloride, USP (NaCl), 37 mg Calcium Chloride, USP (CaCl2•2H2O), and 30 mg Magnesium Chloride, USP (MgCl2•6H2O). It contains no antimicrobial agents. The pH is 5.0 (4.0 to 6.5).

EMBEDA (morphine sulfate and naltrexone hydrochloride) Capsules contain pellets of morphine sulfate and naltrexone hydrochloride at a ratio of 100:4. Morphine sulfate is an agonist and naltrexone hydrochloride is an antagonist at the mu-opioid receptor.

DESOXYN® (methamphetamine hydrochloride tablets, USP), chemically known as (S)-N,?-dimethylbenzeneethanamine hydrochloride, is a member of the amphetamine group of sympathomimetic amines. It has the following structural formula:

Methotrexate (formerly Amethopterin) is an antimetabolite used in the treatment of certain neoplastic diseases, severe psoriasis, and adult rheumatoid arthritis.

DOLOPHINE® HYDROCHLORIDE (Methadone Hydrochloride Tablets, USP), for oral administration, each contain 5 mg or 10 mg of methadone hydrochloride.

Nitrofurantoin is an antibacterial agent specific for urinary tract infections. The Macrobid® brand of nitrofurantoin is a hard gelatin capsule shell containing the equivalent of 100 mg of nitrofurantoin in the form of 25 mg of nitrofurantoin macrocrystals and 75 mg of nitrofurantoin monohydrate.

M-M-R II (Measles, Mumps, and Rubella Virus Vaccine Live) is a live virus vaccine for vaccination against measles (rubeola), mumps, and rubella (German measles).

Oxsoralen-Ultra (methoxsalen, 8-methoxypsoralen) Capsules, 10 mg. Methoxsalen is a naturally occurring photoactive substance found in the seeds of the Ammi majus (Umbelliferae) plant and in the roots of Heracleum Candicans. It belongs to a group of compounds known as psoralens, or furocoumarins. The chemical name of methoxsalen is 9-methoxy-7H-furo [3,2-g] [1] benzopyran-7-one; it has the following structure:

Flagyl (metronidazole) is an oral synthetic antiprotozoal and antibacterial agent, l-?-hydroxyethyl)-2-methyl-5-nitroimidazole, which has the following structural formula: