I don't think one necessarily needs to take 9 times the regular dose. So this is how much the 10 people in a small study were taking. 60 mg is 3 tablets that have 20 mg each.
"At daily doses ranging from 60 to 240 mg, the histamine-2 receptor antagonist widely used to suppress gastric acid production was linked to reduced severity across a range of symptoms 24 to 48 hours after starting treatment in 10 outpatients with a clinical diagnosis of COVID-19, reported Tobias Janowitz, MD, PhD, of Cold Spring Harbor Laboratory in New York. Symptoms cleared within 14 days, the team said."
Common Heartburn Drug for COVID-19 Symptoms? | MedPage Today
"At daily doses ranging from 60 to 240 mg, the histamine-2 receptor antagonist widely used to suppress gastric acid production was linked to reduced severity across a range of symptoms 24 to 48 hours after starting treatment in 10 outpatients with a clinical diagnosis of COVID-19, reported Tobias Janowitz, MD, PhD, of Cold Spring Harbor Laboratory in New York. Symptoms cleared within 14 days, the team said."
Common Heartburn Drug for COVID-19 Symptoms? | MedPage Today