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An equianalgesic chart can be a useful tool, but the user must take care to correct for all relevant variables such as route of administration, cross tolerance, half-life and the bioavailability of a drug. [5] For example, the narcotic levorphanol is 4–8 times stronger than morphine, but also has a much longer half-life. Simply switching the ...
Ceftriaxone, sold under the brand name Rocephin, is a third-generation cephalosporin antibiotic used for the treatment of a number of bacterial infections. [4] These include middle ear infections, endocarditis, meningitis, pneumonia, bone and joint infections, intra-abdominal infections, skin infections, urinary tract infections, gonorrhea, and pelvic inflammatory disease. [4]
For ceftriaxone, the color of solutions can range from light yellow to amber, depending on the length of storage, concentration, and diluent used. [30] [31] A study found that meropenem concentrations dropped to 90% of the initial concentration at 7.4 hours at 22°C and 5.7 hours at 33°C, indicating degradation over time. [29]
Lidocaine is an antiarrhythmic medication of the class Ib type. [7] This means it works by blocking sodium channels thus decreasing the rate of contractions of the heart. [10] [7] When injected near nerves, the nerves cannot conduct signals to or from the brain. [8] Lidocaine was discovered in 1946 and went on sale in 1948. [11]
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Lidocaine/prilocaine is a eutectic mixture of equal quantities (by weight) of lidocaine and prilocaine. A 5% emulsion preparation, containing 2.5% each of lidocaine/prilocaine, is marketed by APP Pharmaceuticals under the trade name EMLA (an abbreviation for Eutectic Mixture of Local Anesthetics ). [ 5 ]
Carbapenems are contraindicated in patients with prior allergic reactions to beta lactam antibiotics. In addition, as the intramuscular formulations of ertapenem and imipenem are formulated with lidocaine, the intramuscular formulation of these two drugs are contraindicated in patients with prior adverse reactions to lidocaine.