I remember the dual H-receptor blockade being discussed on the thread....
https://pubmed.ncbi.nlm.nih.gov/32871242/
Dual-histamine receptor blockade with cetirizine - famotidine reduces pulmonary symptoms in COVID-19 patients.
Hogan Ii RB, Hogan Iii RB, Cannon T, Rappai M, Studdard J, Paul D, Dooley TP. Pulm Pharmacol Ther. 2020 Aug;63:101942. doi: 10.1016/j.pupt.2020.101942. Epub 2020 Aug 29. PMID: 32871242 Free PMC article.
BACKGROUND: The COVID-19 pandemic due to SARS-CoV-2 infection can produce Acute Respiratory Distress Syndrome as a result of a pulmonary cytokine storm. ...Can a combination of Histamine-1 and Histamine-2 receptor blockers improve COVI …
If so, why not just use benadryl?
diphenhydramine = benadryl
We found diphenhydramine, hydroxyzine and azelastine to exhibit direct antiviral activity against SARS-CoV-2 in vitro.
Identification of antiviral antihistamines for COVID-19 repurposing - PMC (nih.gov)