• Pharmacology

    Local anesthesia

    Local anesthesia Local anesthesia is the reversible loss of sensation in a particular are of the body caused nerve ending depression or inhibit peripheral nerve conduction. Types of anesthesia Surface anesthesia   Infiltration anesthesia   Epidural anesthesia   Spinal anesthesia   1. Surface anesthesia   It produce by locally only topical action and there is no loss of motor function. Example: Lidocaine in throat acts in 2-5 min and produced anesthesia for 30-45 min. 2. Infiltration anesthesia   LA anesthesia (dilution solution) administered under the skin at the operation area. Immediate onset of action, duration of action – shorter than the nerve block. Example: Lidocaine – 30 – 60 min.…

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