Stay strong! I know how hard it is. I have this condition for about 7 years. Trust me it hurts. Hang in there. Cure is on its way. Have faith and life will get better. We are all on the same boat and have each other's support.
Are you intolerant to any sorts of food? Are you able to smell yourself properly?
Can it be an overgrowth of bad bacteria (Imbalance flora).
Try the candida diet / probiotics.
Get tested for fructose/lactose/sibo
Make sure you remove all sugar/caffeine/processed foood