Covid 19 treatment. What should we do.

My husband has been tested for COVID 19 on 5th may which came out positive. His initial symptoms included body ache n fever between 99 to 102. Medication he was given were pcm initially 500 mg 3 times for 3 days and later on 650 mg twice ivermectin for 5 days, doxycycline, vitamic c n zinc tablet. His o2 is in between 95 to 97 since then. Dr proscribed him favivir on 9th n since then he is taking that excluded ivermectin after 5 days. On 10th may he had fever in the evening around 102.4 and o2 around 93, 94 with some coughing. So today we went for city scan which shows moderate infection with 13 percent severity. Hus o2 is between 95, 96 n also didn't have any difficulty in breathing. Kindly suggest what should we do.