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Elmedal: Full Drug Profile

Medically reviewed by Min Clinic Staff | Updated: January 2026

Elmedal - General Information

A drug that has anti-inflammatory, antipyretic, and analgesic activities. It is especially effective in the treatment of ankylosing spondylitis. It also is useful in rheumatoid arthritis and Reiter&

 

Pharmacology of Elmedal

Elmedal is a synthetic, pyrazolone derivative. It is a nonhormonal anti-inflammatory, antipyretic compound useful in the management of inflammatory conditions. The apparent analgesic effect is probably related mainly to the compound's anti-inflammatory properties and arise from its ability to reduce production of prostaglandin H and prostacyclin. Prostaglandins act on a variety of cells such as vascular smooth muscle cells causing constriction or dilation, on platelets causing aggregation or disaggregation and on spinal neurons causing pain. Prostacylcin causes vascular constriction platelet disaggregation

 

Additional information about Elmedal

Elmedal Indication

For the treatment of backache and ankylosing spondylitis

Mechanism Of Action
Elmedal binds to and inactivates prostaglandin H synthase and prostacyclin synthase through peroxide (H2O2) mediated deactivation. The reduced production of prostaglandin leads to reduced inflammation of the surrounding tissues.
Generic Name
Phenylbutazone
Drug Category
Anti-inflammatory Agents; Nonsteroidal Antiinflammatory Agents (NSAIDs)
Drug Type
Small Molecule; Approved
Other Brand Names containing Phenylbutazone
'Esteve'; Alindor; Alka Butazolidin; Alkabutazona; Alqoverin; Ambene; Anerval; Anpuzone; Antadol; Anuspiramin; Apo-Phenylbutazone; Arthrizon; Artizin; Artrizin; Artrizone; Artropan; Azdid; Azobutyl; Azolid; B.T.Z.; Benzone; Betazed; Bizolin; Bizolin 200; Bunetzone; Busone; Buta Phen; Butacompren; Butacote; Butadion; Butadiona; Butadione; Butagesic; Butalgina; Butalidon; Butaluy; Butapirazol; Butapirazole; Butapyrazole; Butarecbon; Butartril; Butartrina; Butatron; Butazina; Butazolidin; Butazolidine; Butazona; Butazone; Bute; Butidiona; Butiwas-Simple; Butone; Butoz; Butylpyrin; Buvetzone; Buzon; Chembutazone; Cotylbutazone; Digibutina; Diossidone; Diozol; Diphebuzol; Diphenylbutazone; Ecobutazone; Elmedal; Equi Bute; Equipalazone; Eributazone; Exrheudon N; Febuzina; Fenartil; Fenibutal; Fenibutasan; Fenibutazona; Fenibutol; Fenilbutazona; Fenilbutina; Fenilbutine; Fenilidina; Fenotone; Fenylbutazon; Ia-But; Intalbut; Intrabutazone; Intrazone; Ipsoflame; Kadol; Lingel; Malgesic; Mepha-Butazon; Mephabutazon; Mephabutazone; Merizone; Nadazone; Nadozone; Neo-Zoline; Novophenyl; Phebuzin; Phebuzine; Phenbutazol; Phenbutazone; Phenopyrine; Phenyl-Mobuzon; Phenylbutaz; Phenylbutazonum; Phenyzene; Phenyzone; Pirarreumol "B"; Pirarreumol B; Praecirheumin; Pyrabutol; Pyrazolidin; Rectofasa; Reudo; Reudox; Reumasyl; Reumazin; Reumazol; Reumune; Reumuzol; Reupolar; Robizon-V; Robizone; Robizone-V; Rubatone; Scanbutazone; Schemergin; Shigrodin; Tazone; Tencodyne; Tetnor; Tevcodyne; Therazone; Ticinil; Todalgil; Usaf Ge-15; Uzone; VAC-10; Wescozone; Zolaphen; Zolidinum;
Toxicity (Overdose)
Oral, LD50 = 238 mg/kg (mouse); Oral, LD50 = 781 mg/kg (rabbit); Oral, LD50 = 245 mg/kg (rat); Oral, LD50 = 375 mg/kg (rat)
Dosage Forms of Elmedal
Tablet Oral
Chemical IUPAC Name
4-butyl-1,2-di(phenyl)pyrazolidine-3,5-dione
Chemical Formula
C19H20N2O2
Organisms Affected
Humans and other mammals