A transdermal analgesic or pain killer is an adhesive patch used to relieve mild to severe pain. There are two main types of analgesic patches: patches containing counterirritants, used to treat mild to moderate pain, and patches containing fentanyl, narcotics used to relieve moderate to severe pain in opioid-tolerant patients.
Video Transdermal analgesic patch
Patch penghambat
Contraindir patches contain ingredients such as capsaicin, methyl salicylate, camphor, or menthol, which allegedly disguise pain signals by causing other sensations (itching, warmth, or cooling) in the applied area. In the United States, patches sold under the brand name Salonpas are approved by the Food and Drug Administration under the New Drug Application (NDA) for the treatment of mild to moderate pain caused by soft-tissue injury (eg strains and sprains), arthritis, or back pain. Other products, including brand names such as Ben Gay and Mentholatum, which are not covered by the NDA, show mild pain. The counterirritant patch is sold on the table and does not require a prescription. Other over-the-counter products that are marketed to eliminate minor injuries or arthritis pain include Pain Pain Absorbine Jr., Excedrin Cooling Pads, and Icy Hot Patches.
In Japan Salonpas, produced by Hisamitsu Pharmaceutical, remains a popular brand. Other manufacturers, including Yutoku Pharmaceutical, SS Pharmaceutical, and Suzuki Nippondo also produce similar over-the-counter patches containing methyl salicylate or glycol salicylate.
Maps Transdermal analgesic patch
Fentanyl patch
The Fentanil transdermal patch is sold under the Duragesic brand name, or a generic equivalent. Fentanyl is a pain-fast onset opioid; often used to treat breakthrough pain. Duragesic and similar patch releases fentanyl through the skin. Patches can provide pain relief for up to 72 hours.
Some life-threatening deaths or overdoses have been linked to abuse of the fentanyl patches. Fentanyl patches are indicated only for patients with moderate to severe chronic pain who have used narcotic pain medication regularly for more than a week and who are considered tolerant opioids. Overdose can occur when patients use more patches than prescribed, change patches too often, or expose patches to heat.
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Source of the article : Wikipedia
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