The BC could be causing you some gastric issues, it does that to some people.
Hi
Welcome to the MedHelp forum!
Birth control pills can cause severe nausea due to acidity. Especially since the pain goes to left side, it is more likely to be due to acidity. Treatment is a combination of drugs to reduce the acid and lifestyle changes. You will need to take a combination of medications like a proton pump inhibitor such as omeprazole, lansoprazole or pantoprazole empty stomach in the morning and an antacid gel after meals for complete relief. Possibility of H pylori infection too should be looked into and a combination antibiotic tried.
Life style changes that will help include: Avoid heavy meals and eat frequent small meals. Avoid too much of caffeine, tea, smoking, fried food and drinks both alcoholic and non alcoholic fuzzy ones. Avoid heavy exercises within 4 hours of a heavy meal. Raise the head end of the bed by pillows to 30 degrees. Go to bed at least 2 hours after food. Maybe these tips will help you.
You should consult a gastroenterologist (a specialist who looks after the diseases of our digestive system) or a physician for this if these tips reduce your symptoms.
Hope this helps. Please let me know if there is any thing else and do keep me posted. Take care!
Have you been stressing lately, it is possible that this could be a result of increased stress levels, and too it could be your body reacting to the BC that you are taking did your dr suggest checking your hormone levels to see if the type of BC he/she has you on need to be changed!