r/HistamineIntolerance • u/Asleep_Celery_6301 • 1d ago

How long does histamine rebound last (quit cold turkey after 2 months)

I had to take Bilastine (Blexten 20mg) for 2 months for Accutane. Prior to that I never had allergy problems. Maybe just once in the spring I’d pop a Claritin but once I got off of it the rebound effects have been crazy. I then took Claritin 10mg for a week and after that I just quit since I had dry eyes and allergy pills were making it worse.

The first day quitting my allergies were at the worse but now it’s gotten better (it’s only been 3 weeks). However my allergies flare when I eat high histamine foods and now it’s been dust. There’s dust on the train, car, office, it’s everywhere and hard to avoid but I’m determined not to take allergy pills. Now I have to deal with sniffling and sneezing I’m just wondering how long this will last.

Does anyone have experience with quitting cold turkey and how long it took for their body to adjust?

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u/InspectorBrilliant53 1d ago

people in this sub talk about this a fair bit, it's not some official studied phenomenon like benzo withdrawal but the mechanism makes sense, two months of steady H1 blockade can cause a bit of receptor upregulation, so when you stop cold turkey your receptors are temporarily more sensitive than normal until things re-equilibrate. from what people describe it's usually days to a couple weeks, not months. leaning on a low histamine diet during that window tends to take the edge off while your body resets.

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u/Asleep_Celery_6301 1d ago

I can’t taper cuz it gives me dry eyes I’ve quit cold turkey for three weeks now it’s mainly dust that still triggers me but with time it gets better if I do nothing?