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Published on: 10/5/2026
Sharp pain under the right breast is often caused by muscle strain, costochondritis, trapped gas, or a rib injury, but it can also signal gallbladder disease, liver inflammation, acid reflux, or lung problems such as pleurisy and pneumonia. Warning signs that deserve prompt medical attention include pain that spreads to the right shoulder or back, fever, yellowing of the skin or eyes, shortness of breath, persistent vomiting, or pain that sharpens with each deep breath. Because the possible explanations range from minor and self-limiting to urgent, the specific location, timing, and accompanying symptoms matter a great deal, and those important details are explained below.
Since right-sided chest and upper abdominal pain can point to several very different organs, guessing at the cause can delay care you may need or cause unnecessary worry. A free, instant, online symptom check lets you enter your exact symptoms in a few minutes and receive tailored insight into what may be driving your pain and what step to take next.
Last reviewed for medical accuracy: 10/04/2026
Experiencing a sharp pain under the right breast can be unsettling. This area houses organs and structures from the chest wall to the upper abdomen, so pinpointing the cause means considering several possibilities. Below, you’ll find common culprits, key warning signs, and practical next steps.
Musculoskeletal Issues
Gastrointestinal (GI) Conditions
Liver and Pancreatic Issues
Respiratory Causes
Cardiac Concerns
Other Causes
Most causes of sharp pain under the right breast are not life threatening. However, certain “red flags” warrant prompt medical evaluation:
If you experience any of these symptoms, seek medical attention right away.
Self-Check
Free Online Symptom Check
You may consider a free, online symptom check, using the doctor approved Ubie Symptom Checker to help clarify your next steps.
Free, online symptom check, using the doctor approved Ubie Symptom Checker
Medical Evaluation
While awaiting professional evaluation or for mild, non-urgent cases, you can try:
Even if your symptoms seem mild or you suspect a non-serious cause, consider professional advice if:
Always err on the side of caution—if you’re not sure what’s causing your sharp pain under the right breast, speaking with a healthcare provider can help rule out serious conditions.
Speak to a doctor about anything that could be life threatening or serious. Your peace of mind and health are worth it.
(References)
* Lemaire V, Gielen S, Lebrun F, Bury F. [Pneumomediastinum in children]. Rev Med Liege. 2001 Jun;56(6):415-9. PMID: 11496720.
* Garza JM, Kaul A. Gastroesophageal reflux, eosinophilic esophagitis, and foreign body. Pediatr Clin North Am. 2010 Dec;57(6):1331-45. doi: 10.1016/j.pcl.2010.09.008. PMID: 21111120.
* Iddon J, Dixon JM. Mastalgia. BMJ. 2013 Dec 13;347:f3288. doi: 10.1136/bmj.f3288. Epub 2013 Dec 13. PMID: 24336097.
* Ahmed A, Marginan A, Sweeney K, Malone C, McLaughlin R, Kerin M. Medicolegal implications of accuracy of GP referral letters to specialist breast clinic. Ir J Med Sci. 2016 Feb;185(1):69-73. doi: 10.1007/s11845-014-1223-z. Epub 2014 Nov 25. PMID: 25422062.
* Horn B. [Chest pain]. Ther Umsch. 2015 Jan;72(1):62-5. doi: 10.1024/0040-5930/a000643. PMID: 25533261.
* Bourke AG, Tiang S, Harvey N, McClure R. Pseudoangiomatous stromal hyperplasia causing massive breast enlargement. BMJ Case Rep. 2015 Oct 16;2015. doi: 10.1136/bcr-2014-204343. Epub 2015 Oct 16. PMID: 26475873; PMCID: PMC4612527.
* Robinson JR. Pregnancy-Related Coronary Artery Dissection: Recognition of a Life Threatening Process. Dimens Crit Care Nurs. 2018 Mar/Apr;37(2):62-68. doi: 10.1097/DCC.0000000000000287. PMID: 29381500.
* Sagar D, Rogers TK, Adeni A. Postpartum pneumomediastinum and subcutaneous emphysema. BMJ Case Rep. 2018 May 18;2018. doi: 10.1136/bcr-2018-224800. Epub 2018 May 18. PMID: 29776942; PMCID: PMC5965743.
* ElSherif A, Valente SA. Management of Mastalgia. Surg Clin North Am. 2022 Dec;102(6):929-946. doi: 10.1016/j.suc.2022.06.001. PMID: 36335929.
* Rahman A. Chest pain. Aust J Gen Pract. 2024 Jul;53(7):437-442. doi: 10.31128/AJGP-04-23-6810. PMID: 38957056.
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