What are the therapeutic uses of topical anaesthetic agent?
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How are tissues affected and what are the therapeutic uses of the following anesthesic agents; topical, infiltration, block, and spinal
Posted Fri, 28 Feb 2014 in Medicines and Side Effects
Answered by Dr. Vivek Chail 1 hour later
Brief Answer: Please find detailed answer below Detailed Answer: Hi XXXX, Thanks for writing in to us. Pain sensations are transmitted by fine nerve fibers. Pain signals are felt due to the release of certain chemicals like substance P which is a neuropeptide. In the presence of pain producing stimulus, there is release of pain producing chemicals which are then transmitted to the brain and pain sensation is felt. Topical anesthetics: Topical anesthetics are used to relieve pain and itching caused by conditions such as sunburn or other minor burns, insect bites or stings and minor cuts and scratches. Topical anesthetics block the nerve endings in the skin surface. They do not cause unconsciousness as do general anesthetics used for surgery. Infiltration anesthesia: Local anesthetic infiltration reversibly blocks nerve conduction near their site of administration, thereby producing temporary loss of sensation in a limited area. Block anesthesia: This involves blocking a particular nerve with injection of anesthetic and this leads to temporary loss of pain sensation from the areas supplied by that nerve. Spinal anesthesia: This is a safe and effective alternative to general anesthesia when the surgical site is located on the lower extremities, genitalia or anus. It causes temporary loss of pain sensations in the lower part of the body. Hope your query is answered. Do write back if you have any doubts. Regards, Dr.Vivek
Follow-up: What are the therapeutic uses of topical anaesthetic agent? 7 minutes later
Do anthesia block or spinal anesthesia impact motor function as well as decreasing pain?
Answered by Dr. Vivek Chail 4 hours later
Brief Answer: Motor imapairment occurs with spinal anesthesia Detailed Answer: Hi XXXX, Thanks for writing back with an update. Spinal anesthesia will cause temporary impairment of motor function with decrease in pain sensation. Hope your query is answered. Do write back if you have any doubts. Regards, Dr.Vivek