Pain at the edge of the right breast near the armpit may be due to breast hyperplasia, trauma, mastitis, pleurisy, costochondritis and other diseases.
1. Mammary hyperplasia: Mammary hyperplasia may be caused by the imbalance of estrogen/progesterone ratio, abnormalities of mammary sex hormone receptors, elevated prolactin and other factors. Patients may have breast swelling and pain, which may be manifested as pain in the right chest edge near the armpit.
2. Trauma: when the right chest edge near the armpit is hit by external violence, it will lead to local tissue damage and blood circulation obstruction, which will be manifested as pain in the right chest edge near the armpit, and the pain symptom will be aggravated when it is pressed.
3. Mastitis: Mastitis can be caused by milk stagnation, secondary infection, and obstruction of the milk ducts. The patient may have breast swelling and pain, elevated skin temperature, and pressure pain, which is manifested as pain at the edge of the chest near the armpit.
4. Pleurisy: due to pathogen infection, autoimmune disease, trauma, tumor and other causes of pleurisy, fibrous exudation between the dirty pleura and the wall pleura, rubbing against each other with stabbing pain, pulling pain, which may be manifested as pain at the right chest edge near the armpit.
5. Costochondritis: Costochondritis due to viral infection, chronic strain of the ligaments of the thoracic and rib joints, trauma, endocrine abnormalities and other factors will also appear as pain in the right chest edge near the armpit.
There are many reasons for the pain at the edge of the chest near the armpit, and it is recommended that patients go to regular hospitals to find out the cause of the disease and get timely treatment.