Search results
Results from the WOW.Com Content Network
[5] [2] They form an occlusive layer on the application site that can act as a form of protection. [5] They can be washed off easily and are nontoxic due to their unique composition and structure. [5] [2] [6] They have minimal side effects due to their localized effect. [1] Topical gels are convenient and easy to apply.
A container with cream. 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]
Dermal dosage forms include: liniments, braces, lotions, ointments, creams, dusting powders, aerosols, and transdermal patches. [13] Specially designed patches are currently used to deliver fentanyl, nicotine and other compounds. Slower skin absorption versus oral or injectable may allow patches to provide medication for 1 to 7 days. [14]
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]
The adhesive layer of this system also contains the drug. In this type of patch the adhesive layer not only serves to adhere the various layers together, along with the entire system to the skin, but is also responsible for the releasing of the drug. The adhesive layer is surrounded by a temporary liner and a backing.
Skin layers. The human body's largest organ is the skin layers, which protects against foreign particles. [7] [8] Human skin contains several layers, including the subcutaneous layer, the dermis, the epidermis, the stratum corneum, and the appendages. Each of these layers have an effect on the absorption of topical drug. [1]
The rate of dissolution is a key target for controlling the duration of a drug's effect, and as such, several dosage forms that contain the same active ingredient may be available, differing only in the rate of dissolution. If a drug is supplied in a form that is not readily dissolved, it may be released gradually and act for longer.
Cream. A cream is a preparation usually for application to the skin.Creams for application to mucous membranes such as those of the rectum or vagina are also used. Creams may be considered pharmaceutical products, since even cosmetic creams are manufactured using techniques developed by pharmacy and unmedicated creams are highly used in a variety of skin conditions (dermatoses).