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Severe allergic reactions to anesthetic medications are rare and are usually attributable to factors other than the anesthetic. Neuromuscular blocking agents, natural rubber latex, and antibiotics are the most common causes of serious allergic reactions during surgery. [2] The mortality rate from these reactions ranges between 3-9%. [3]
Allergic reactions from local anaesthesia have been reported in some patients. However, this occurrence is rare even in patients who had a history of adverse reactions to LA. There are mainly 2 classes of local anaesthetic agents: Amide or Ester linkages, based on their chemical structure. [29]
Epinephrine is also used as a bronchodilator for asthma if specific β 2 agonists are unavailable or ineffective. [39] Because of the high intrinsic efficacy (receptor binding ability) of epinephrine, high drug concentrations cause adverse side effects when treating asthma. The value of using nebulized epinephrine in acute asthma is unclear. [40]
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 ...
The US Food and Drug Administration approved the first nasal spray epinephrine drug for severe allergic reactions known as anaphylaxis, providing a needle-free alternative to EpiPens and similar ...
Cetacaine is a topical anesthetic that contains the active ingredients benzocaine (14%), butamben (2%), and tetracaine hydrochloride (2%). Cetacaine also contains small amounts of benzalkonium chloride at 0.5% and 0.005% of cetyl dimethyl ethyl ammonium bromide all in a bland water-soluble base. [1]
Hollywood fosters all kinds of myths about life threatening allergic reactions. There's nothing magical about anaphylactic choking that accelerates the time frame for losing consciousness to ten ...
Anaphylactoid reaction, non-immune anaphylaxis, or pseudoanaphylaxis, is a type of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation. [ 10 ] [ 42 ] Non-immune anaphylaxis is the current term, as of 2018, used by the World Allergy Organization [ 42 ] with some recommending that the old ...