Loss of smell. Also pls tell hear!

Hello sir .my sister age 26 she was fit now but last 3 dyas back she had fever from 100.4 to 102 we went hospital and recovered as per priscription of Cefix 200 and lanol 650 tablet and levocetrizine Now fever is 98 only and feeling better . But she was observed some smell was not feeling good . Hard smells is only coming but light smells are not coming pls advice any smell recovery tablet.. And our doctor said no need covid test he said use this for 3 days if not reduce fever than he said we need to do.. But now feels only low smell pls tell any tablet. Anyways we r also not intrested to do covid test .my sister stays at home always we r Muslims now a days we have fastings .. But expecting some tablets also pls tell hear Thanks lot