histamine

  1. M

    Long Hauler trying to prepare for a 24h urine test

    Hello MCAS folks, I am a Covid Long-Hauler. For a while I have been wondering if what I am experiencing is part of MCAS, given that is the case with many other suffering post-Covid. I DO NOT have the typical symptoms like hives, swelling, low blood pressure, syncope, diarrhea. I DO have...
  2. L

    Betahistine

    Betahistine has been mentioned in passing in various posts but I thought it would be useful to make a dedicated thread to discuss pharmacology and possible effect on ME symptoms. Betahistine is typically prescribed for vertigo and other vestibular disorders. But in general it’s a strong H3...
  3. Jwarrior77

    Is This Considered Pressure Urticaria? Or Dermatographia?

    I've been wondering if anyone else experiences this. If I press my hand let's say on my face too long the area where the pressure was will turn very red. Not itchy or raised but a little hot. This can occur basically anywhere you apply pressure to not only my hands. Also if I scratch my skin the...
  4. J

    Burning GI, Rapid Weight Loss, Usually After B12 Supplementation

    I've got several health issues, but one of the most debilitating is states during which I experience 5/10 GI burning, burning throughout arms, hands, face, etc. and rapidly lose weight. These episodes seem to come up naturally, often after periods of stress or little sleep but are guaranteed...
  5. J

    Losing Progress, Looking for Next Step

    I've been dealing with health issues the past 6-7 years and while making some serious headway, I've recently started to backslide and am not quite sure of my next step. I'm starting to feel like I'm entering the final phase of my ability to manage symptoms and looking for a helping hand in...
  6. D

    My Sulfur Intolerance is managed with Quercetin. Please help me understand why.

    If I eat anything with sulfur in it my finger pip joints swell a little and turn a little red. Chicken effects me the most and eggs come in second. I have no idea why my finger pip joints swell but I believe it may have to do with uric acid or ammonia. Quercetin allows me to eat as much meat...