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Published on: 8/20/2026
One-sided pain can stem from several sources, including the brain's pain processing center, the abdominal wall, or even stress-related tension. Because the causes vary widely, an accurate diagnosis is essential. Effective relief typically involves a tailored treatment plan that may include medications, physical or cognitive therapy, and lifestyle adjustments such as improved sleep, stress management, and regular movement.
Since one-sided pain can point to anything from a minor muscular issue to a condition requiring prompt medical attention, guessing the cause can delay proper care. Taking a free, instant, online symptom check can help you clarify possible causes based on your specific symptoms, guide you toward the right type of specialist, and give you confidence in your next steps—all in just a few minutes.
Reviewed for medical accuracy: 07/15/2026
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When one side of your body hurts, it might be caused by a few different things. Sometimes, the brain plays a part. For example, a condition called thalamic pain syndrome occurs when the thalamus, a part of your brain that helps send pain signals, isn't working properly. There are even special treatments like deep brain stimulation used in severe cases. Other times, pain can come from the muscles or tissues in your abdominal wall. This type of pain might be from muscle strain, inflammation, or injury, and doctors often use specific tests to see if that is the case. Additionally, sometimes pain on one side of the body is linked to stress or emotional factors, a condition called somatization, where the body reacts to feelings with physical pain. To find relief, it is best to consult a healthcare provider. They will ask about your pain, perform an exam, and possibly run tests to know the true cause. You can also check your symptoms with a free AI-powered assessment to help identify what might be causing your discomfort. Treatments might include pain relievers, physical therapy to strengthen muscles and ease muscle pain, and ways to handle stress better.
(References)
Rezaei Haddad A, Ughratdar I, Ashkan K. A single thalamic target for deep brain stimulation to treat hemi-body pain syndrome. Acta Neurochir (Wien). 2015 Sep;157(9):1519-23. doi: 10.1007/s00701-015-2504-7. Epub 2015 Jul 10. PMID: 26159322.
Shian B, Larson ST. Abdominal Wall Pain: Clinical Evaluation, Differential Diagnosis, and Treatment. Am Fam Physician. 2018 Oct 1;98(7):429-436. PMID: 30252418.
Min SK, Lee BO. Laterality in somatization. Psychosom Med. 1997 May-Jun;59(3):236-40. doi: 10.1097/00006842-199705000-00005. PMID: 9178334.
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