u/Alarmed-Emotion-6520

I've been using anti-histamines and eating a low-histamine diet for a few months now and feel a ton of improvement but I still have semi frequent flare ups after eating. I've tried DAO supplements but didn't feel an instant improvement like other things (maybe I need to trial for longer?).

My question is what should be my next steps? Next medications to try? Other diet restrictions?

For context my symptoms are: extreme fatigue and brain fog, increased anxiety + OCD, flushing, high heart rate. I would say just from using anti-histamines + low histamine diet I'm like at 65% well.