A New Hope for Chronic Pain Relief

Could melatonin offer relief from chronic pain without replacing standard treatments?

Melatonin is best known as the hormone that helps regulate sleep, but new research suggests it may also have a role in relieving chronic muscle and joint pain. ()

Researchers have found that melatonin not only improves sleep but may also reduce pain by calming inflammation, reducing pain signals in the brain and spinal cord, and protecting cells from oxidative stress. While the benefits appear modest, the findings offer new hope for people living with long-term pain.

Melatonin May Offer More Than Better Sleep

Melatonin is naturally produced by the pineal gland in the brain, mainly at night, to regulate the body’s sleep-wake cycle. It is widely used to treat insomnia and jet lag. Scientists have long known that poor sleep and chronic pain often go hand in hand.

Pain can make it difficult to sleep, while poor sleep can make pain feel more intense. This has led researchers to investigate whether melatonin could help relieve pain in addition to improving sleep.

To better understand its effects, researchers analyzed data from 23 clinical trials involving more than 2,000 participants. The studies included people with chronic muscle and joint pain as well as patients recovering from surgery. Overall, the results showed that melatonin provided modest improvements in both pain and sleep among people with long-term muscle and joint pain.

On average, pain scores dropped by about nine points on a 100-point pain scale, a level of improvement similar to that reported in some studies of anti-inflammatory medicines, although the two treatments were not directly compared.

The researchers also found that many participants in the chronic pain studies had existing sleep problems. However, none of the trials compared people with poor sleep to those without sleep disturbances. As a result, it remains unclear whether melatonin works better for people whose pain is linked to poor sleep or whether the benefits are similar for everyone with chronic pain.

Melatonin May Work Best as an Add-On Treatment

The findings were less encouraging for people recovering from surgery. Melatonin did not significantly reduce pain or improve sleep after surgical procedures. Although one analysis found a very small reduction in pain scores, researchers said the improvement was too small to make a meaningful difference for patients.

Based on the available evidence, the researchers believe melatonin should be considered an additional treatment rather than a replacement for standard pain management. It may work best when combined with established approaches such as physical therapy, regular exercise, and anti-inflammatory medications. For people experiencing both chronic pain and sleep disturbances, melatonin could become part of a broader treatment plan.

The study also highlighted several unanswered questions. The clinical trials used melatonin doses ranging from 1 mg to 10 mg, making it difficult to determine the most effective dose. Some evidence suggested that longer treatment periods may produce better results, but there is not enough research yet to confirm this. Larger and better-designed clinical trials will be needed to identify who benefits the most and what dosage is most effective.

Is Melatonin Safe to Use?

Melatonin is generally considered safe when used for short periods, but it can cause side effects such as daytime sleepiness, dizziness, headaches, and nausea. People with liver or kidney disease, as well as those with autoimmune conditions such as rheumatoid arthritis, should consult a healthcare professional before taking melatonin.

The way melatonin is regulated also varies between countries. In the United States, it is available over the counter as a dietary supplement, while in the United Kingdom it is available only by prescription for certain sleep disorders and jet lag.

Although the findings are promising, researchers caution that melatonin is not a cure for chronic pain. Instead, it may offer modest relief, particularly for people whose pain is accompanied by poor sleep. More research is needed before doctors can recommend it routinely for pain management, but the study suggests this well-known sleep aid could eventually become a valuable addition to existing treatments for chronic muscle and joint pain.

References:

1. Study finds melatonin may ease chronic pain – (https://www.sydney.edu.au/news-opinion/news/2026/07/01/study-finds-melatonin-may-ease-chronic-pain.html)

Source-Medindia