Several long-COVID patients report improvements from antihistamines (Rich D)
- Condition
- Long COVID
- At worst
- Moderate (mostly housebound)
- Ill for
- Not stated
- Published
- Aug 2023
Summary
Tried Singulair (montelukast), which produced significant, though not huge, improvement within about a week, while Pepcid (famotidine) and Zyrtec (cetirizine) had no effect for them. They suggest antihistamines are most useful for long-COVID patients who also have MCAS. The page gives no detail on how long or severely they had been ill, nor on whether the Singulair benefit was sustained, faded, or needed dose changes over time.
What they credit
Credits Antihistamines & MCAS, Diet, H1 antihistamines, H2 blockers (famotidine, cimetidine), Montelukast / Singulair.
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