Rheumont gel for external use contains 5% and 10% (by weight) of ethofenamate, which has pronounced anti-inflammatory and analgesic properties. Efenafetat - a non-steroidal anti-inflammatory drug whose action is based on the fact that it indiscriminately suppresses cyclooxygenase type 1 and 2, disrupts the metabolism of arachidonic acid.As a result, the synthesis of prostaglandins is inhibited and the formation of inflammatory mediators is reduced.
Etophenamate is lipophilic in nature, which causes its good penetration through the skin. Efenafetat penetrates through the skin and is distributed in the affected tissue, in which it reaches therapeutic concentrations. Concerning etofenamate is used mainly in preparations intended for external use.
Etofenamate maximum concentration in plasma is achieved after a single application Revmonna gel in an amount equivalent to 300 mg etofenamate after 12 - 24 hours after application (21-28 ng / ml). After application on the skin, the relative bioavailability of the drug is within 20%.
Etopenamate is excreted by the kidneys and through the intestine in the form of its metabolites and their compounds.