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Triamcinolone acetonide, sold under the brand name Kenalog among others, is a synthetic corticosteroid medication used topically to treat various skin conditions, [13] to relieve the discomfort of mouth sores, and by injection into joints to treat various joint conditions.
The differences in extent of percutaneous absorption in different parts of the body (percent of the total dose absorbed into the body through the skin) are as follows: [9] Sole – 0.05%; Palm – 0.1%; Forearm – 1%; Scalp – 3.5%; Face – 7%; Eyelids and genitalia – 30%
When taken by mouth, the drug's bioavailability is over 90%. It reaches its highest concentrations in the blood plasma after one to two hours and is bound to plasma proteins to about 80%. The biological half-life from the plasma is 200 to 300 minutes; due to stable complexes of triamcinolone and its receptor in the intracellular fluid , the ...
The median effective dose is the dose that produces a quantal effect (all or nothing) in 50% of the population that takes it (median referring to the 50% population base). [6] It is also sometimes abbreviated as the ED 50, meaning "effective dose for 50% of the population". The ED50 is commonly used as a measure of the reasonable expectancy of ...
The amount of topical drug molecules being delivered to the skin is affected solely by the physicochemical properties of the topical drug. [1] The first factor is the weight of the drug molecule. The smaller of the drug molecular weight or particle size, the higher rate of its diffusion and absorption into the skin.
A medical professional administering nose drops Instillation of eye drops. A topical medication is a medication that is applied to a particular place on or in the body. Most often topical medication means application to body surfaces such as the skin or mucous membranes to treat ailments via a large range of classes including creams, foams, gels, lotions, and ointments. [1]
Topical cream formulation is an emulsion semisolid dosage form that is used for skin external application. Most of the topical cream formulations contain more than 20 per cent of water and volatiles and/or less than 50 per cent of hydrocarbons , waxes , or polyethylene glycols as the vehicle for external skin application. [ 1 ]
In medicine, a finger tip unit (FTU) is defined as the amount of ointment, cream or other semi-solid dosage form expressed from a tube with a 5 mm diameter nozzle, applied from the distal skin-crease to the tip of the index finger of an adult. [1] [2] The "distal skin-crease" is the skin crease over the joint nearest the end of the finger. One ...