- covid-19 symptoms requiring hospitalization - po2 < 92% - short of breath at time of enrollment - retinal eye disease - known glucose-6 phosphate dehydrogenase (g-6-pd) deficiency - known chronic kidney disease, stage - 5 or receiving dialysis - current use of: - class 3 aad (amiodarone, dronaderone, dofetilide, sotalol) - class 1a aad (procainamide, quinidine, disopyramide) - flecainide - ssri: citalopram (celexa), escitalopram (lexapro) - chlorpromazine - cilostazol (pletal) - donepezil (aricept) - droperidol - fluoconazole - methadone - ondansetron (zofran) - thioridazine - macrolides (clarithromycin, erythromycin) - fluroquinolones (ciprofloxacin, levofloxacin, moxifloxacin) - tamoxifen - pregnancy or women who are breast feeding - inability to tolerate oral medications - allergy or prior adverse reaction to either hydroxychloroquine sulfate, ribavirin, or nitazoxanide - allergy to adhesives - qtc interval > 450 msec for men and women - history of torsade de pointes vt or prior cardiac arrest or congenital long qt interval - non-english-speaking

- covid-19 symptoms requiring hospitalization - po2 < 92% - short of breath at time of enrollment - retinal eye disease - known glucose-6 phosphate dehydrogenase (g-6-pd) deficiency - known chronic kidney disease, stage - 5 or receiving dialysis - current use of: - class 3 aad (amiodarone, dronaderone, dofetilide, sotalol) - class 1a aad (procainamide, quinidine, disopyramide) - flecainide - ssri: citalopram (celexa), escitalopram (lexapro) - chlorpromazine - cilostazol (pletal) - donepezil (aricept) - droperidol - fluoconazole - methadone - ondansetron (zofran) - thioridazine - macrolides (clarithromycin, erythromycin) - fluroquinolones (ciprofloxacin, levofloxacin, moxifloxacin) - tamoxifen - pregnancy or women who are breast feeding - inability to tolerate oral medications - allergy or prior adverse reaction to either hydroxychloroquine sulfate, ribavirin, or nitazoxanide - allergy to adhesives - qtc interval > 450 msec for men and women - history of torsade de pointes vt or prior cardiac arrest or congenital long qt interval - non-english-speaking