You may have acid reflux. This is when the stomach contents come back up into your throat and cause a burning sensation as well as coughing. It may also make you feel sick to your stomach or give you chest pains. You should avoid eating large meals, such as spicy or fatty foods. Moreover, you shouldn’t lie down immediately after eating. Drinking lots of water helps too. If none of these work, visit a gastroenterologist.

I think you might have a stomach upset. When you take birth control pills with L Thyroxin, you might experience diarrhea. This could mean that the combo is affecting your gut. Keep yourself hydrated and consider taking the drugs at different times during the day. If it doesn’t stop, talk to a doctor so they can advise accordingly.