This study of a common asthma drug budesonide [Pulmocort] has not yet been peer-reviewed, but the results are extremely promising — 90% reduction of risk of urgent care or hospitalization!
“The 28-day study of 146 patients suggested that inhaled budesonide reduced the risk of urgent care or hospitalization by 90% when compared with usual care, Oxford University said.”
https://www.reuters.com/article/us-health-coronavirus-asthma-treatment/common-asthma-drug-cuts-covid-19-hospitalization-risk-recovery-time-oxford-study-idUSKBN2A92DA