A review on herbal transdermal patch for arthritis

Abstract

In conventional medicine system the oral route is highly taken but does not give effective or desired effect because of systemic circulation, the first pass metabolism taken more time to get bioavailable or give therapeutic effect. So Transdermal drug delivery has made an important contribution to medical practice. It is a medicated patch that delivers a specific amount of medication through the skin into the blood stream. An advantage of a transdermal drug delivery route over other types of medication delivery is that the patch provides a controlled release of the medication into the patient, usually through either a porous membrane covering a reservoir of medication or through body heat melting thin layers of medication embedded in the adhesive. These Formulation consist herbal drugs, now days herbal drugs are more used they are safe because of having less side effects or low cost. And people trust herbal drug more than allopathy. The active drugs which are used to formulate herbal transdermal patches for arthritis are Ginger, Turmeric, Lavender, Katuvera, clove oil, wintergreen, Camphor, Menthol, aloe Vera, turpentine. These herbal drugs are very effective in arthritis and they are potent to formulate transdermal dosage form. Formulated transdermal drug delivery system using different polymeric grades of hydroxyl propyl methyl cellulose and with plastsizer propylene glycol. The Transdermal patches prepared are of matrix diffusion controlled systems. Solvent casting Technique was used to prepare the transdermal patches.