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A topical anesthetic is a local anesthetic that is used to numb the surface of a body part. They can be used to numb any area of the skin as well as the front of the eyeball, the inside of the nose, ear or throat, the anus and the genital area. [1] Topical anesthetics are available in creams, ointments, aerosols, sprays, lotions, and jellies.
Intravenous lidocaine infusions are also used to treat chronic pain and acute surgical pain as an opiate sparing technique. The quality of evidence for this use is poor so it is difficult to compare it to placebo or an epidural. [22] Inhaled lidocaine can be used as a cough suppressor acting peripherally to reduce the cough reflex.
Some common forms of anesthetic used are eye drops (e.g. tetracaine/proparacaine) or gel (e.g. lidocaine 2% or 4% jelly), which is applied topically. [12] [31] Other choices of anesthesia include the use of lidocaine soaked pledget (a small cotton or wool pad) and subconjunctival injection (injection under the conjunctiva) of anesthetic agents ...
Many local anesthetics fall into two general chemical classes, amino esters (top) and amino amides (bottom). A local anesthetic (LA) is a medication that causes absence of all sensation (including pain) in a specific body part without loss of consciousness, [1] providing local anesthesia, as opposed to a general anesthetic, which eliminates all sensation in the entire body and causes ...
Germolene is the brand name used on a range of antiseptic products produced by the Bayer company, [1] who purchased the brand from SmithKline Beecham (later GlaxoSmithKline) in 1999. It is manufactured for Bayer UK by the Devon -based Wrafton Laboratories [ 2 ] division of US over-the counter and supermarket own-label preparation producer Perrigo .
The epinephrine causes vasoconstriction which in turn reduces systemic distribution of the anesthetic as well as prolongs its action in addition to decreasing bleeding at the operating site. Lidocaine 2% with 1:100,000 adrenaline is the local anesthetic of choice in the treatment of pregnant women. [28]
It is a topically applied first aid liquid with active ingredients benzalkonium chloride (an antiseptic) and lidocaine (a topical anaesthetic). As an antiseptic, Bactine can help to prevent infections, while the topical anesthetic in Bactine serves to numb the surface of a body part and temporarily relieve pain and itching on the skin.
The lidocaine/prilocaine eutectic mixture is an oil with a melting point of 18 °C, and can be formulated into preparations without the use of a non-aqueous solvent. [7] This allows higher concentrations of anaesthetic to be formulated into the preparation and maintained during application.