COVID-19 symptoms that you shouldn't ignore According to studies, there are several symptoms like diarrhoea, vomiting, abdominal cramps, and nausea which should not be taken lightly. File photo Updated: Apr 10, 2021, 12:09 AM IST With rapidly increasing COVID-19 cases, it is important to know the signs and symptoms of the Coronavirus infection. The COVID-19 infection primarily impacts the upper respiratory system. According to studies, there are several symptoms like diarrhoea, vomiting, abdominal cramps, and nausea which should not be taken lightly. A study published in the International Journal of Audiology said that the COVID-19 infection can lead to auditory problems. The researchers found 56 studies that identified an association between COVID-19 and auditory and vestibular problems. If you are experiencing some kind of hearing impairment, then that could be a sign of coronavirus.