Table 1: Potentially useful drugs for the early treatment of COVID-19 in general medicine and which are being prescribed in their authorized indications during the outbreak of COVID-19.

Potentially useful drugs for COVID-19 Illnesses or symptoms for which drugs potentially useful for COVID-19 are currently prescribed Estimate of prevalence of diseases in general medicine office for which drugs potentially useful for COVID-19 are being prescribed Estimated number of patients with health problems in a general medicine office with a list of 2,000 patients Ease of conducting retrospective studies of drug exposure and COVID-19 results in general medicine
Azithromycin Various bacterial infections 5-10% 100 Relatively frequent use. Relatively wide sample
Alpha1 antagonists Arterial hypertension, benign prostatic hypertrophy 20% (hypertension) 80% of those over 50 years (benign prostatic hypertrophy) 400 (hypertension) 80  (benign prostatic hypertrophy) Frequent use. Large sample
Tocilizumab Various types of arthritis 0.5% rheumatoid arthritis 10 Infrequent use. Small sample
Statins Dyslipidemia 30-50% 800 Very frequent use. Very large sample
Selective serotonin reuptake inhibitors Depression / anxiety 5-20% 200 Very frequent use. Large sample
Antipsychotic Psychosis 1% 20 Infrequent use. Small sample
Progesterone Different obstetric gynecological conditions 20% of women 200 Infrequent use. Small sample
Vitamin D or calcifediol (25OHD) Risk factor for various chronic diseases 50% 1000 Relatively frequent use. Moderately large sample
Vitamin C Malnutrition 12% in elderly, indigent, alcoholic and malnourished 10 Very infrequent use. Very small sample
Colchicine Rheumatological and cardiac conditions 5-7% of patients with hyperuricemia 100 Infrequent use. Small sample
ACE inhibitors and  AT1 receptor antagonists Hypertension, heart failure 20 hypertension; 10% of heart failure in those over 70 years 400 (hypertension); 10  heart failure Frequent use. Large sample
Ivermectine Several tropical diseases - - Use in tropical areas only
Beta-blockers Heart problems and high blood pressure Up to 20% 200 Relatively frequent use. Relatively large sample
Antihistamines Allergies, cough of various causes 20% allergies; 9% to 33% cough 400 allergies; 200 cough Frequent use. Large sample