cialis online india Finally, since in the first wave, in the absence of solid evidence, we have been using drugs that have not shown any usefulness in the treatment of COVID 19, and also ignoring possible harmful interactions and even suspending drugs for underlying diseases that are truly useful in order to avoid QT elevation, main adverse event known in that moment, from now on it is advisable to be alert to this situation and consider giving more prominence to the hospital pharmacist as an expert in interactions and pharmacovigilance, in order to ensure that patient safety is a priority on the management of this disease in hospital setting