AVP and COVID-19: Furthermore, patients suffering from both AACG and COVID-19 generally present with significantly higher IOP during treatment.[11] Elderly patients and those receiving flu medications are particularly susceptible to developing AACG when infected with COVID-19.[12] Yousaf et al[13] found that infection with coronavirus has been associated with the syndrome of inappropriate secretion of antidiuretic hormone, which may result in hyponatremia.