liniment

Sloan's Liniment (at right) was once a popular over-the-counter drug store item.

Liniment (or embrocation), from the Latin linere, to anoint, is a medicated topical preparation for application to the skin. Preparations of this type are also called balm. Liniments are of a similar viscosity to lotions (being significantly less viscous than an ointment or cream) but unlike a lotion a liniment is applied with friction; that is, a liniment is always rubbed in.^{[citation needed]}

Liniments are typically sold to relieve pain and stiffness, such as from sore muscles or from arthritis. These liniments typically are formulated from alcohol, acetone, or similar quickly evaporating solvents and contain counterirritant aromatic chemical compounds such as methyl salicilate, benzoin resin, or capsaicin. Opodeldoc is a sort of liniment invented by the physician Paracelsus.

Uses on horses

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Liniments are a common substance used by trainers and owners of horses. They may be applied diluted or full-strength, usually added into a bucket of water when sponged on the body. Liniments are especially useful in hot weather to help a hot horse cool down: the alcohols help the product to quickly evaporate, and the oils they contain cause the capillaries in the skin to dilate, also increasing the cooling process.

Liniments should always be applied according to the manufacturer's directions, and diluted as necessary. Many horse owners apply liniments to the legs as a brace, and then wrap over it. In this case, they should be sure that the liniment is not too strong, or it may cause blistering of the skin.

Liniments may be used on the legs and body, but should not be applied to more sensitive areas such as the head, genitals or groin of the horse. The body may also be too sensitive to apply liniments if the horse was recently body-clipped.

Topical medication forms

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• Cream - Emulsion of oil and water in approximately equal proportions. Penetrates stratum corneum outer layer of skin well.
• Ointment - Combines oil (80%) and water (20%). Effective barrier against moisture loss.
• Gel - Liquefies upon contact with the skin.
• Paste - Combines three agents - oil, water, and powder; an ointment in which a powder is suspended.
• Powder

References in Literature

In John Steinbeck's Of Mice and Men, the Negro stable buck, Crooks, rubs it on his crooked spine, to ease the pain. In Terry Pratchett's The Wee Free Men, local witch Granny Aching is known, among other things, for the liberal application of her home brewed Special Sheep Liniment.

See also

Look up liniment in Wiktionary, the free dictionary.

• A.B.C. Liniment
• Earl Sloan

References

v · d · eRoutes of administration / Dosage forms Oral Digestive tract (enteral) Solids Pill Tablet Capsule Time release technology Osmotic controlled release capsule (OROS) Liquids Solution Softgel Suspension Emulsion Syrup Elixir Tincture Hydrogel Buccal / Sublabial / Sublingual Solids Orally Disintegrating Tablet (ODT) Film Lollipop Lozenges Chewing gum Liquids Mouthwash Toothpaste Ointment Oral spray Respiratory tract Solids Smoking device Dry Powder Inhaler (DPI) Liquids pressurized Metered Dose Inhaler (pMDI) Nebulizer Vaporizer Gas Oxygen mask Oxygen concentrator Anaesthetic machine Relative analgesia machine Ocular / Otologic / Nasal Nasal spray Ear drops Eye drops Ointment Hydrogel Nanosphere suspension Mucoadhesive microdisc (microsphere tablet) Urogenital Ointment Pessary (vaginal suppository) Vaginal ring Vaginal douche Intrauterine device (IUD) Extra-amniotic infusion Intravesical infusion Rectal (enteral) Ointment Suppository Enema (Solution • Hydrogel) Murphy drip Nutrient enema Dermal Ointment Liniment Paste Film Hydrogel Liposomes Transfersome vesicals Cream Lotion Lip balm Medicated shampoo Dermal patch Transdermal patch Transdermal spray Jet injector Injection / Infusion (into tissue/blood) Skin Intradermal Subcutaneous Transdermal implant Organs Intracavernous Intravitreal Intra-articular or intrasynovial injection Transscleral Central nervous system Intracerebral Intrathecal Epidural Circulatory / Musculoskeletal Intravenous Intracardiac Intramuscular Intraosseous Intraperitoneal Nanocell injection Additional explanation: Mucous membranes are used by the human body to absorb the dosage for all routes of administration, except for "Dermal" and "Injection/Infusion". Administration routes can also be grouped as Topical (local effect) or Systemic (defined as Enteral = Digestive tract/Rectal, or Parenteral = All other routes).

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