Hello, You are suffering from discomfort under your right ribs. Stomach feels uncomfortable and there is chest tightness. You also have headache and feel dizzy at times. You are suggested to take food that is good for the liver, you can also take liver tonics. Get clinically examined by a GP to detect any liver enlargement or other issue of liver disorder. Get liver function tests done. You may need to get CT and MRI s done also. You will be accordingly treated. Take PPIs to prevent discomfort and bloating of the abdomen. Drink adequate water to help liver detox. Chest tightness can be due to gastritis, GERD, angina or developing CAD. If obese loose weight. Take boiled food for a couple of days, avoid red meat, full fat dairy products, trans fat, etc. Stay away from addictions if any. Headache and dizziness can be caused by stress, dehydration, weakness, skipped meals, certain food, alcohol intake, etc. Dizziness commonly occurs due to ear infection, tinnitus, migraine, exhaustion, stress, etc. You are suggested to get clinically examined by a GP, get treated. In the meantime for relieve you can take acetaminophen, one stat when required. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician