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Restrict the search for
phenyl aminosalicylate
to a specific field?
Status:
US Approved Rx
(1994)
Source:
ANDA074346
(1994)
Source URL:
First approved in 1948
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
4-AMINOSALICYLIC ACID (Paser) is an anti-tuberculosis drug used to treat tuberculosis in combination with other active agents. 4-AMINOSALICYLIC ACID (Paser) is most commonly used in patients with Multi-drug Resistant TB (MDR-TB) or when isoniazid and rifampin use is not possible due to a combination of resistance and/or intolerance. There are two mechanisms responsible for aminosalicylic acid's bacteriostatic action against Mycobacterium tuberculosis. Firstly, aminosalicylic acid inhibits folic acid synthesis (without potentiation with antifolic compounds). The binding of para-aminobenzoic acid to pteridine synthetase acts as the first step in the folic acid synthesis. Aminosalicylic acid binds pteridine synthetase with greater affinity than para-aminobenzoic acid, effectively inhibiting the synthesis of folic acid. As bacteria are unable to use external sources of folic acid, cell growth and multiplication slow. Secondly, the aminosalicylic acid may inhibit the synthesis of the cell wall component, mycobactin, thus reducing iron uptake by M. tuberculosis.
Status:
US Approved Rx
(1999)
Source:
ANDA040331
(1999)
Source URL:
First approved in 1942
Source:
NDA021171
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Pethidine, also known as meperidine and Demerol, a narcotic analgesic that can be used for the relief of most types of moderate to severe pain, including postoperative pain and the pain of labor. Meperidine is an opioid agonist with multiple actions qualitatively similar to those of morphine. Most common adverse reactions were lightheadedness, dizziness, sedation, nausea, vomiting, and sweating. Pethidine has serious interactions that can be dangerous with monoamine oxidase inhibitors (e.g., furazolidone, isocarboxazid, moclobemide, phenelzine, procarbazine, selegiline, tranylcypromine). Pethidine can interact with muscle relaxants, some antidepressants, benzodiazepines, and ethanol.
Status:
US Approved Rx
(2019)
Source:
ANDA212919
(2019)
Source URL:
First marketed in 1931
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Amphetamine is a potent central nervous system (CNS) stimulant that is used in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, and obesity. Amphetamine was discovered in 1887 and exists as two enantiomers: levoamphetamine and dextroamphetamine. The mode of therapeutic action in ADHD is not known. Amphetamines are thought to block the reuptake of norepinephrine and dopamine into the presynaptic neuron and increase the release of these monoamines into the extraneuronal space. At higher dosages, they cause release of dopamine from the mesocorticolimbic system and the nigrostriatal dopamine systems. Amphetamine may also act as a direct agonist on central 5-HT receptors and may inhibit monoamine oxidase (MAO). In the periphery, amphetamines are believed to cause the release of noradrenaline by acting on the adrenergic nerve terminals and alpha- and beta-receptors. Modulation of serotonergic pathways may contribute to the calming affect. The drug interacts with VMAT enzymes to enhance release of DA and 5-HT from vesicles. It may also directly cause the reversal of DAT and SERT. Several currently prescribed amphetamine formulations contain both enantiomers, including Adderall, Dyanavel XR, and Evekeo, the last of which is racemic amphetamine sulfate. Amphetamine is also prescribed in enantiopure and prodrug form as dextroamphetamine and lisdexamfetamine respectively. Lisdexamfetamine is structurally different from amphetamine, and is inactive until it metabolizes into dextroamphetamine.
Status:
US Approved Rx
(2016)
Source:
ANDA205880
(2016)
Source URL:
First marketed in 1921
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Benzoic acid is a natural ingredient occurring in many foodstuffs and in plant extracts. Benzoic acid, its salts and esters are used as preservatives in cosmetic products, with a maximum concentration of 0.5 %. Benzoic acid and sodium benzoate are on the FDA list of substances that are generally recognized as safe (GRAS). Both may be used as antimicrobial agents, flavouring agents and as adjuvants with a current maximum level of 0.1% in food. Benzoic acid is a constituent of Whitfield Ointment, which is used for the treatment of fungal skin diseases such as tinea, ringworm, and athlete's foot. Adverse effect of Whitfield Ointment: occasionally, a localized mild inflammatory response occurs.
Status:
US Approved Rx
(2022)
Source:
NDA215910
(2022)
Source URL:
First marketed in 1912
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Phenobarbital is a barbiturate derivative used to treat insomnia and anxiety, seizures, hyperbilirubinemia in neonates and cholestasis. Phenobarbital promotes binding to inhibitory gamma-aminobutyric acid subtype receptors, and modulates chloride currents through receptor channels.
Status:
US Approved OTC
Source:
21 CFR 341.16(g) cough/cold:bronchodilator racepinephrine hydrochloride
Source URL:
First approved in 2000
Source:
M012
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Racepinephrine or racemic epinephrine is a mixture of levo and dextro isomers of epinephrine act as a nonselective agonist at adrenergic receptors. It is a bronchodilator used in the temporary relief of mild symptoms of intermittent asthma including wheezing, shortness of breath. Inhaled racepinephrine became available in September 2012 as a nonprescription treatment for bronchospasm based on a 1986 US Food and Drug Administration rule. Besides, racemic epinephrine relieves respiratory distress in hospitalized infants with bronchiolitis and is safe but does not abbreviate hospital stay. Morbidity associated with bronchiolitis as identified by parents persists for at least one week after hospital discharge in most infants.
Status:
US Approved OTC
Source:
21 CFR 341.14(a)(1) cough/cold:antitussive chlophedianol hydrochloride
Source URL:
First approved in 1960
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Chlophedianol (Clofedanol) is a centrally-acting cough suppressant, although the mechanism of action is not known. It is available in Canada under the trade name Ulone. It is not available in the United States. Chlophedianol (Clofedanol) suppresses the cough reflex by a direct effect on the cough center in the medulla of the brain. It also has local anesthetic and antihistamine properties, and may have anticholinergic effects at high doses.
Status:
US Approved OTC
Source:
21 CFR 341.12(j) cough/cold:antihistamine pheniramine maleate
Source URL:
First approved in 1948
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Pheniramine is an antihistamine used to treat allergic conditions such as hay fever or urticaria. It is generally sold in combination with other medications, rather than as a stand-alone drug. Allergies are caused by an excessive type 1 hypersensitivity response of the body to allergens, mediated by inappropriate histamine signalling. By inhibiting the binding of histamine, antihistamines decrease the normal histamine response from cells, consequently decreasing allergic symptoms. Antihistamines such as pheniramine appear to compete with histamine for histamine H1- receptor sites on effector cells. The antihistamines antagonize those pharmacological effects of histamine which are mediated through activation of H1- receptor sites and thereby reduce the intensity of allergic reactions and tissue injury response involving histamine release. Antihistamines suppress the histamine-induced wheal (swelling) and flare (vasodilation) response by blocking the binding of histamine to its receptors on nerves, vascular smooth muscle, glandular cells, endothelium, and mast cells. They effectively exert competitive antagonism of histamine for H1-receptors. Pheniramine is marketed under the trade name Avil and Visine-A among others).
Status:
US Approved OTC
Source:
21 CFR 341.12(h) cough/cold:antihistamine doxylamine succinate
Source URL:
First approved in 1948
Source:
DECAPRYN by SANOFI AVENTIS US
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Doxylamine is an antihistamine commonly used as a sleep aid. This drug is also used to relieve symptoms of hay fever (allergic rhinitis), hives (rash or itching), and other allergic reactions. Doxylamine is a member of the ethanolamine class of antihistamines and has anti-allergy power far superior to virtually every other antihistamine on the market, with the exception of diphenhydramine (Benadryl). It is also the most powerful over-the-counter sedative available in the United States, and more sedating than many prescription hypnotics. In a study, it was found to be superior to even the barbiturate, phenobarbital for use as a sedative. Doxylamine is also a potent anticholinergic. Like other antihistamines, doxylamine acts by competitively inhibiting histamine at H1 receptors. It also has substantial sedative and anticholinergic effects. Used alone as a short-term sleep aid, in combination with other drugs as a night-time cold and allergy relief drug. Also used in combination with Vitamin B6 (pyridoxine) to prevent morning sickness in pregnant women.
Status:
US Approved OTC
Source:
21 CFR 341.12(i) cough/cold:antihistamine phenindamine tartrate
Source URL:
First approved in 1947
Class (Stereo):
CHEMICAL (RACEMIC)
Targets:
Conditions:
Phenindamine (thephorin or 2-methyl-9-phenyl-2,3,4,9-tetrahydro-1-pyridindene) a pyridindene derivative proved to be a potent antihistaminic. Phenindamine was used to treat sneezing; runny nose; itching, watery eyes; hives; rashes; itching; and other symptoms of allergies and the common cold.
