Hi welcome to HCM I can understand your concern for pain in the chest and shoulder Dear there can be many factors causing you different pains. Gas -VATA factor in the system causes pains in neck , shoulder , chest ,or anywhere . Inflammation due to an injury around the area ,or any lump can cause persistent pain . Your weak immune system due to low level of physical activity ,faulty food habits and derailed life style is a prominent factor for your sufferings Modifying your life style and food habits - including essential nutrients in your diet ,as fiber , vitamins ,minerals ,antioxidants in natural form as veges ,fruit , cheese , turmeric powder in a cup of hot milk , milk at bed time, nuts almonds aloe vera ,amla ,if taken in proper proportion and regular exercise ,walk , pranayam , yoga , sufficient rest and meditation help strengthen your immunity and assure sound health ahead . Avoiding fast foods , smoking ,alcohol, sleeplessness , dehydration , anger ,anxiety is first step towards trouble free life Applying hot or cold packs to the affected shoulder to reduce swelling Exercises to restore strength and range of motion Resting the affected arm and wearing a sling to isolate arm motions Try for immediate relief , Over-the-counter anti-inflammatory medications, such as ibuprofen and naproxen . It will be short term relief though . If problem persists consult your doctor for advice Hope this helps solve your query .Take care .All the best