Hello Friend, Good that you are seeking a help here. I can understand your suitation and frustration who your loved ones don't understand your pain.
You may be going through stress and anxiety. Yes your IBS problem can also trigger stress whenever acidity increases.
Don't worry. Take a professional help. I am sure you will be able to get a clarity about your problem and suitable solutions to overcome.
Next Steps
Consult a psychologists directly or online. Feel free to reach out to me online through Practo app for further detailed evaluation and suitable recommendation that you can follow practically. Be positive. You will be alright soon.