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Restrict the search for
m nalidixic acid
to a specific field?
Status:
First approved in 1948
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Isometheptene (usually as isometheptene mucate) is a sympathomimetic amine sometimes used in the treatment of migraines and tension headaches due to its vasoconstricting properties. Isometheptene's vasoconstricting properties arise through activation of the sympathetic nervous system via epinephrine and norepinephrine. These compounds elicit smooth muscle activation leading to vasoconstriction by interacting with cell surface adrenergic receptors.
Status:
US Previously Marketed
Source:
SULFALOID by FOREST PHARMS
(1982)
Source URL:
First approved in 1947
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Sulfamethazine is a sulfonamide used to treat a variety of bacterial diseases in animals. It inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthetase (dihydrofolate synthetase).
Status:
US Previously Marketed
First approved in 1947
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Tetraethylammonium is an experimental drug with no approved indication or marketed formulation. Tetraethylammonium blocks of apamin-sensitive and insensitive Ca2(+)-activated K+ channels. It is a weak agonist of the nicotinic receptor. Tetraethylammonium produces transient reductions in blood pressure. Tetraethylammonium hydroxide is used as a soluble source of hydroxide ions and in the synthesis of ionic organic compounds.
Status:
US Previously Marketed
Source:
SULFALOID by FOREST PHARMS
(1982)
Source URL:
First approved in 1947
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Sulfamethazine is a sulfonamide used to treat a variety of bacterial diseases in animals. It inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthetase (dihydrofolate synthetase).
Status:
US Previously Marketed
Source:
glycolic acid
(2022)
Source URL:
First approved in 1947
Source:
NDA006188
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
SODIUM GLYCOLATE, a sodium salt of carboxymethyl ether, is used as a pharmaceutical grade dissolution excipient for solid dosage forms. It absorbs water rapidly, resulting in swelling which leads to the rapid disintegration of tablets and capsules. Without a disintegrant, these may not dissolve appropriately and may effect the amount of active ingredient absorbed, thereby decreasing effectiveness.
Status:
US Previously Marketed
First approved in 1947
Class (Stereo):
CHEMICAL (ACHIRAL)
Status:
US Previously Marketed
Source:
21 CFR 310.545(a)(27)(i) antimicrobial:first aid antiseptic thimerosal
Source URL:
First approved in 1947
Source:
BLA101062
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Thimerosal is organomercury antiseptic and antifungal agent, used as a preservative in vaccines, immuloglobulins, nasal sprays, contact lens solutions. In USA, European Union countries thiomersal is no longer used in childhood vaccines due to public fears, although the FDA review of 1999 foud no evidence of harm from the use of thimerosal as a vaccine preservative, other than local hypersensitivity reactions. Thimerosal was used as a component of topical antiseptic solution and antiseptic ointment for treating cuts, nasal sprays, eye solutions, vaginal spermicides, diaper rash treatments, but re-evaluation of the drug in 1980-s demonstrated ineffectiveness and toxicity in topical pharmaceutical products, and topical thimerosal was withdrawn from the market. The mechanism of action of thimerosal has not been fully elucidated. It is believed that thimerosal inhibits sulfhydryl-containing active site of various enzymes and binds to sulfhydryl compounds, such as glutathione, cysteine, and SH groups of protein. In addition, thimerosal activates the InsP3 calcium channel on endoplasmic reticular membrane, thereby triggering the release of calcium from intracellular stores resulting in a calcium-induced calcium-influx of extracellular calcium. Consequently, thimerosal may induce or inhibit cellular functions dependent on calcium signaling.
Status:
US Previously Marketed
Source:
glycolic acid
(2022)
Source URL:
First approved in 1947
Source:
NDA006188
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
SODIUM GLYCOLATE, a sodium salt of carboxymethyl ether, is used as a pharmaceutical grade dissolution excipient for solid dosage forms. It absorbs water rapidly, resulting in swelling which leads to the rapid disintegration of tablets and capsules. Without a disintegrant, these may not dissolve appropriately and may effect the amount of active ingredient absorbed, thereby decreasing effectiveness.
Status:
First approved in 1947
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Alverine is a smooth muscle relaxant used for the treatment irritable bowel syndrome. Alverine may increase calcium influx during action potentials due to inhibition of the inactivation of L-type calcium channels, but may also suppress evoked activity by inhibiting the sensitivity of contractile proteins to calcium.
Status:
US Previously Marketed
Source:
DIASONE SODIUM by ABBVIE
(1947)
Source URL:
First approved in 1947
Source:
DIASONE SODIUM by ABBVIE
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Sulfoxone is a water-soluble sulfone and is a competitive inhibitor of the bacterial enzyme dihydropteroate synthetase. Sulfoxone under the brand name Diasone was used as an antileprosy drug, for treatment of dermatitis herpetiformis, and to treat pulmonary tuberculosis. Presently, usage of diasone has been discontinued.
