Hello I appreciate your concern Bloating can be related to use of carbonated drinks, aerophagia( swallowing of air with food), ill fitted denture or stomach hyperacidity. I would like further information for better assessment of the condition like Your age and relevant medical history like diabetes or malabsorption or chronic indigestion. since how long you have this problem slight cough might be related to acid reflux or throat infection you should do gargling with warm saline water or antiseptic mouth wash you can also take cough syrup or honey with few droos of ginger juice. Meanwhile I would advise you to take anti acidity medicines like pantoprazole or ranitidine group of drugs with antacids for 5 to 7 days You should avoid fatty fried spicy and junk food or carbonated drinks Avoid excess stress and anxiety which could be contributory to your bloating. Have lots of fresh fruit and vegetables Avoid overeating and have small and frequent meals. Hope this answers your.question Please feel free to ask for follow up question or any more queries Best wishes