U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 11 - 20 of 23 results

Status:
US Approved OTC
Source:
21 CFR 346.10(c) anorectal:local anesthetic dibucaine
Source URL:
First marketed in 1930
Source:
Dibucaine; Nupercaine by Society of Chemical Industry in Basle, Basle, Switzerland (Ciba Company, Inc., New York, distributor).
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Dibucaine is used as a local anesthetic for surface anesthesia. It is one of the most potent and toxic of the long-acting local anesthetics and its parenteral use is restricted to spinal anesthesia. Dibucaine is used to temporarily relieve pain and itching due to: hemorrhoids or other anorectal disorders, sunburn, minor burns, minor cuts; scrapes, insect bites, minor skin irritation. This drug acts via blocking of nerve impulses by decreasing the neuronal membrane's permeability to sodium ions through sodium channel blocking. This reversibly stabilizes the membrane and inhibits depolarization, resulting in the failure of a propagated action potential and subsequent conduction blockade.
Status:
US Approved OTC
Source:
21 CFR 346.10(a) anorectal:local anesthetic benzocaine
Source URL:
First marketed in 1895
Source:
Americaine
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Benzocaine is a local anesthetic. It acts by blocking voltage-gated sodium ion channels in nerve endings. Benzocaine is available over-the counter for local anesthesia of oral and pharyngeal mucous membranes (sore throat, cold sores, mouth ulcers, toothache, sore gums, denture irritation), otic pain, and as a local anesthetic for surgical or diagnostic procedures. As a spray, benzocaine is used for temporary relief of pain and itching associated with minor burns, sunburn, minor cuts or scrapes, insect bites, or minor skin irritations. Topical application of benzocaine to gums or mouth may cause rare, but serious and potentially fatal adverse effect methemoglobinemia.
Status:
US Previously Marketed
Source:
Forhistal Maleate by Ciba
(1960)
Source URL:
First approved in 1960
Source:
Forhistal Maleate by Ciba
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Dimetindene (trade name Fenistil; other name dimethindene maleate) is a potent antipruritic antihistamine, characterized by the small size of its effective dose and its rapidity of action. Dimetindene is an antihistamine/anticholinergic that is a selective H1 antagonist. Its effect sets in after 20 to 60 minutes and lasts several hours. Dimetindene drops as well as Dimetindene syrup is particularly indicated in pediatric practice. Dimetindene is indicated as symptomatic treatment of allergic reactions: urticaria, allergies of the upper respiratory tract such as hay fever and perennial rhinitis, food, and drug allergies; pruritus of various origins, except pruritus due to cholestasis; insect bites. Dimetindene is also indicated for pruritus in eruptive skin diseases such as chicken-pox. Dimetindene can be as an adjuvant in eczema and other pruriginous dermatoses of allergic origin.
Status:
US Previously Marketed
Source:
Phenoxene by Pitman-Moore (Dow Chem., USA)
(1959)
Source URL:
First approved in 1959
Source:
Phenoxene by Pitman-Moore (Dow Chem., USA)
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Chlorphenoxamine is an antihistamine and anticholinergic used as an antipruritic and was formerly used in the sympathomimetic treatment of parkinsonism. Histamine receptor H1 antagonist. Chlorphenoxamine is used to treat Allergic conditions, it is reported as an ingredient of Systral in Germany, Malta, Portugal, Thailand, Turkey.
Status:
US Previously Marketed
Source:
THERUHISTIN ISOTHIPENDYL HYDROCHLORIDE by AYERST
(1961)
Source URL:
First approved in 1957
Source:
Theruhistin by Ayerst
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)


Conditions:

Isothipendyl is a first generation H1 antagonist (antihistamine) and anticholinergic used as an antipruritic. It is nowadays scarcely used in the first line relief of allergies due to the anticholinergic side effect of somnolence but does have some limited use through topical application in the relief of insect bites and related itching (pruritus).
Status:
US Previously Marketed
Source:
Sandostene Tartriate by Sandoz
(1956)
Source URL:
First approved in 1956
Source:
Sandostene Tartriate by Sandoz
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Thenalidine is an antihistamine with anticholinergic properties used as an antipruritic drug. It was withdrawn from the US, Canadian, and UK markets due to a risk of neutropenia. Thenalidine is an antagonist of the H1-receptor.
Status:
US Previously Marketed
Source:
Quotane by Smith Kline & French
(1951)
Source URL:
First approved in 1951
Source:
Quotane by Smith Kline & French
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Dimethisoquin (also known as Quinisocaine and QUOTANE) is a topical anesthetic used as an antipruritic. It was shown that dimethisoquin inhibits nicotinic acetylcholine receptors (alpha4/beta4 and alpha4/beta2) with the maximum inhibition potency occurring for the α4β4 subtype.
Status:
US Previously Marketed
Source:
TRIPELENNAMINE HYDROCHLORIDE by WATSON LABS
(1973)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Tripelennamine (sold as Pyribenzamine by Novartis) is a drug that is used as an antipruritic and first-generation antihistamine. Histamine acting on H1-receptors produces vasodilatation, hypotension, flushing, headache, tachycardia, and bronchoconstriction. Histamine also increases vascular permeability and potentiates pain. Tripelennamine can be used in the treatment of asthma, hay fever, rhinitis, and urticaria, but is now less common as newer antihistamines have replaced it.

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Bamipine (trade name Soventol) is a sedating antihistamine with pronounced sedative effects. Bamipine is a pharmaceutical drug acting as an H1 antihistamine with anticholinergic properties. It is used as an antipruritic ointment. Bamipine hydrochloride has been given by mouth. Bamipine, bamipine lactate, and bamipine salicylate have all been applied topically.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)



Chloropyramine is an antagonist of H1 histamine receptors. It is indicated for the treatment of various forms of allergic reactions. Chloropyramine is a drug capable of (1) inhibiting the biochemical function of VEGFR-3 and FAK, (2) inhibiting proliferation of a diverse set of cancer cell types in vitro, and (3) reducing tumor growth in vivo.

Showing 11 - 20 of 23 results