Pain Relief Injections: Kenacort, Keto, and Muscle Relaxants - Orthopedics

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Regarding painkillers?


Hello, doctor.
I have some questions to ask.
Previously, I experienced pain in my ulna and radius, and an orthopedic doctor administered a Kenacort injection near the tendon.
The soreness, swelling, and redness gradually subsided after about an hour.
Could this be an allergic reaction? Is it safe to administer a keto injection? Does it have the same analgesic effect as Kenacort? Additionally, can Busacon and Buscopan injections (which are used during a colonoscopy) also serve as muscle relaxants? Is there a risk of allergic reactions? Thank you.

Li Ayi, 50~59 year old female. Ask Date: 2017/10/10

Dr. Li Yongheng reply Orthopedics


Hello, Kenacort (triamcinolone) is a corticosteroid medication that can effectively relieve inflammatory pain when administered locally.
It is normal to experience soreness, swelling, and redness for about one hour after the injection; this is not an allergic reaction.
Ketorolac is a non-steroidal anti-inflammatory drug (NSAID) that is also administered via intramuscular injection and can relieve pain, but it may occasionally cause allergic reactions.
Busacon and Buscopan (hyoscine butylbromide) are smooth muscle relaxants that rarely cause allergic reactions.
Thank you for your question.

Reply Date: 2017/10/10

More Info


Understanding pain relief injections is crucial for managing various conditions effectively. In your case, the injection of Kenacort (also known as triamcinolone) was administered to alleviate pain associated with your ulnar and radial bones. Kenacort is a corticosteroid that works by reducing inflammation, which is often the underlying cause of pain in conditions such as tendonitis or bursitis. The transient sensation of soreness or redness you experienced for about an hour post-injection is a common reaction and is not indicative of an allergic response. Instead, it can be attributed to the injection process itself or the medication's initial inflammatory response before the anti-inflammatory effects take place.

Regarding the use of Ketorolac (often referred to as "Keto"), it is important to note that it is a non-steroidal anti-inflammatory drug (NSAID) that provides pain relief by inhibiting the production of prostaglandins, which are chemicals in the body involved in inflammation and pain signaling. While both Kenacort and Ketorolac serve the purpose of pain relief, they operate through different mechanisms. Kenacort is more focused on reducing inflammation over a longer period, while Ketorolac is typically used for short-term management of moderate to severe pain, often in acute settings. If you are considering Ketorolac, it is essential to consult with your healthcare provider, especially if you have any underlying health conditions or are taking other medications, as there can be potential interactions and side effects.

As for Buscopan (hyoscine butylbromide) and Busacon, these medications are primarily used for their muscle relaxant properties, particularly in the context of gastrointestinal discomfort. Buscopan works by relaxing the smooth muscles of the gastrointestinal tract, which can help alleviate cramping and spasms. While they may not be directly related to pain relief in the context of musculoskeletal pain, they can be beneficial in managing discomfort associated with gastrointestinal issues. Allergic reactions to these medications are relatively rare, but they can occur, so it is always advisable to monitor for any unusual symptoms after administration.

In summary, Kenacort and Ketorolac are both effective for pain relief but differ in their mechanisms and applications. Kenacort is a corticosteroid aimed at reducing inflammation, while Ketorolac is an NSAID for acute pain relief. Buscopan and Busacon serve different purposes, focusing on muscle relaxation in the gastrointestinal tract. Always consult your healthcare provider for personalized advice, especially when dealing with multiple medications or underlying health conditions. Understanding these distinctions can help you make informed decisions about your pain management strategy.

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