Table 1.

Drugs currently used to treat COVID-19.

DRUG	MODE OF ACTION	ORIGINALLY USED TO TREAT	REFRENCES
Chloroquine/Hydrochloroquine	Inhibit SARS-CoV-2 entry by changing glycosylation of ACE2 receptor.	Malaria and arthritis.	(Liu et al., 2020; Olofsson et al, 2020; Pahan and Pahan, 2020)
Remdesivir	Inhibition of RNA genome replication.	Ebola.	Mullard (2020)
Lopinavir/ritonavir	Protease inhibition	HIV.	Godfrey et al. (2020)
Favipiravir	A broad spectrum inhibitor of viral RNA polymerase.	Influenza.	(Furuta et al., 2017; Srinivas et al., 2020)
Azithromycin	Interferes with protein synthesis.	Bacterial conjunctivitis.	Diaz et al, 2020
Doxycyclin	Inhibits bacterial protein synthesis.	Antibiotic against gram + and gram – bacteria.	van Velzen et al. (2020)
Ivermectin	Inhibits importin mediated viral import.	Nematode and orthropod parasites.	Choudhary et al. (2020)