Triamcinolone

Triamcinolone

Triamcinolone ball-and-stick animation.gif

A corticosteroid used to treat various conditions

Triamcinolone
Trade names	Kenalog, Nasacort, others
Chemical nomenclature
IUPAC name	(1S,2S,8S,10S,11S,14R,15S,17S)-1,10,14,15-Tetramethyl-14-(2-oxo-2H-pyran-6-yl)-2,8,9,11,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
Routes	Topical, intramuscular, intralesional, inhalation, nasal spray
Pregnancy category	C
Metabolism	Hepatic
Half-life	2-5 hours
Excretion	Renal
Legal status	Rx-only
Identifiers
CAS Number	124-94-7
PubChem	31307
DrugBank	DB00620
ChemSpider	29034
UNII	1ZK20VI6TY
KEGG	D00380
ChEMBL	1200450
Chemical data
Chemical formula	C21H27O6F1
SMILES	C[C@]12CC(=O)[C@H]3[C@@H]4[C@H](C[C@@]([C@H]4CC[C@@H]3[C@@]1(C[C@@H](C2)O)(C)C)(C)C5=CC(=O)OC=C5)O
InChI	1S/C21H27FO6/c1-11-7-14(23)21(27)15(24)8-13-16-9-17(25)20(26,10-18(16,2)3)19(13,21)12(11)4-5-6-22-11/h4-5,7,12-13,16-17,25-26H,6,8-10H2,1-3H3/t11-,12-,13-,16-,17-,18-,19-,20-,21-/m0/s1
InChIKey	OIGNJSKKLXVSLS-VWUMJDOOSA-N

Triamcinolone is a corticosteroid used to treat various conditions such as eczema, psoriasis, arthritis, allergic rhinitis, and asthma. It is available in several forms, including topical creams, ointments, nasal sprays, and injections.

Medical uses

Triamcinolone is used in the management of various inflammatory and allergic conditions. It is effective in reducing inflammation and suppressing the immune response. Some of the common conditions treated with triamcinolone include:

• Eczema
• Psoriasis
• Arthritis
• Allergic rhinitis
• Asthma

Topical use

Topical triamcinolone is used to treat skin conditions such as eczema and psoriasis. It helps to reduce redness, swelling, and itching.

Intramuscular and intralesional use

Triamcinolone can be administered via injection to treat conditions like arthritis and certain skin disorders. Intramuscular injections are used for systemic effects, while intralesional injections are used for localized treatment.

Inhalation and nasal spray

Triamcinolone is available as an inhaler or nasal spray for the treatment of asthma and allergic rhinitis. It helps to reduce inflammation in the airways and nasal passages.

Side effects

Common side effects of triamcinolone include:

• Skin irritation (when used topically)
• Nausea
• Headache
• Dizziness
• Insomnia

Serious side effects may include:

• Osteoporosis
• Cataracts
• Glaucoma
• Suppression of the immune system

Mechanism of action

Triamcinolone works by binding to glucocorticoid receptors, which leads to the suppression of inflammatory and immune responses. It inhibits the release of substances in the body that cause inflammation.

Pharmacokinetics

Triamcinolone is metabolized in the liver and has an elimination half-life of 2-5 hours. It is excreted primarily through the kidneys.

History

Triamcinolone was first synthesized in the 1950s and has since become a widely used corticosteroid for various medical conditions.

See also

• Corticosteroid
• Eczema
• Psoriasis
• Arthritis
• Allergic rhinitis
• Asthma