Substance P
Endogenous opioids function primarily to relieve pain, they also appear to enhance the sensation of itching.
These drugs are used to treat pain from inflammation and work by blocking production of pain-enhancing neurotransmitters.
Analgesics are medications intended for the purpose of pain relief. They work by blocking pain signals in the brain or reducing inflammation in the body to alleviate pain. Some common examples include acetaminophen, ibuprofen, and opioids.
There is no aspirin in opium, and there is no opium in aspirin. Opiates and opioids act by blocking pain receptors in the central nervous system and do not contain any NSAIDs (non-steroidal anti-inflammatory drugs, which include aspirin and ibuprofen). Aspirin and other non-narcotic drugs do not act on the central nervous system. Instead, they help relieve pain by reducing swelling/inflammation, hindering pain chemicals (prostaglandins), and bringing down fevers. It is worth noting that a combination of aspirin and opium works better to relieve pain than giving these two medicines separately.
Endorphins
Aleve is an anti-inflammatory drug that helps relieve pain.
The verb is "to relieve" (e.g. from pain). The noun is "relief." To relieve is to provide relief.Synonyms (verbs) you might use are alleviate, assuage, or mitigate.
Medications that relieve pain are called opioid analgesics.
To relieve pain
While disk removals can relieve pain in 90% of cases, there are some people who do not get pain relief
You can relieve liver pain by taking some over the counter medicine. You can also relieve liver pain by not drinking as much and going to the doctor. If you have liver pain I would seek medical attention.
You should consult your doctor or pharmacist for effective medicines to relieve swelling and pain.