Tip: The following information is for reference only and cannot replace the diagnosis and treatment advice of a professional doctor. If you or someone else is experiencing severe or unbearable pain, please seek medical attention immediately and consult a qualified medical professional to determine the most appropriate treatment plan and dosage. To quickly relieve pain, the choice of medicine usually depends on the nature of the pain (such as acute pain, chronic pain, inflammatory pain or neuropathic pain) and its severity. The following are some common drug categories and their general situation: 1. Non-steroidal anti-inflammatory drugs (NSAIDs) • Common drugs include ibuprofen, naproxen, diclofenac, etc. • Advantages: It is usually effective for mild to moderate pain (such as muscle pain, joint pain, toothache or pain after minor surgery) and has anti-inflammatory effects. • Note: Some people (such as patients with gastric ulcers, renal insufficiency, heart disease) need to use it with caution or adjust the dosage. 2. Acetaminophen (Acetaminophen, also known as acetaminophen) • Commonly used for mild to moderate pain and fever. • Advantages: Less irritation to the gastrointestinal tract, suitable for people who cannot tolerate NSAIDs. • Note: Overdose may damage the liver, so the prescribed dosage should be strictly followed. 3. Opioids • Common drugs include morphine, oxycodone, fentanyl and tramadol. • Advantages: For moderate to severe pain, especially acute and severe pain (such as postoperative pain, traumatic pain), it usually works quickly. • Note: This type of drug has the risk of dependence and abuse, and must be strictly followed by the doctor's prescription and monitoring; it may also cause side effects such as respiratory depression and constipation. 4. Local anesthetics and nerve blocks • For local pain, such as dental pain, local surgery or certain acute injuries, local injection or topical local anesthetics (such as lidocaine) can quickly relieve pain. • Operated by professionals according to specific circumstances. 5. Adjunctive medication • For example, in some neuropathic pain situations, antidepressants (such as selective serotonin/norepinephrine reuptake inhibitors) or anticonvulsants (such as gabapentin) may also be used to relieve pain. • These medications are usually not intended to work immediately, but rather as part of a long-term management plan. It should be noted that medications that "quickly relieve" pain are generally used when symptoms are more pronounced or acute pain occurs, and are usually monitored and supported in a medical setting. Before self-medicating, be sure to understand the dosage, onset time, possible side effects and adverse reactions of the medication, and pay attention to drug interactions. Conclusion: Common medications used for quick pain relief include NSAIDs, acetaminophen, and opioids used under strict medical supervision when necessary. The specific medications to choose and how to use them should be determined by medical professionals based on individual conditions. Again, please discuss your specific situation with your doctor or pharmacist, who can provide you with personalized, safe medication guidance based on a detailed medical history, pain type, and severity.