Just a note those are two different things/reasons. The histamine blockers are for the common mast-cell reactions during/after covid. But Montelukast is a leu

Just a note those are two different things/reasons. The histamine blockers are for the common mast-cell reactions during/after covid. But Montelukast is a leukotriene receptor antagonist which inhibits a specific enzyme. https://en.wikipedia.org/wiki/Antileukotriene https://en.wikipedia.org/wiki/Antileukotriene