Immediately shift him to hospital it is an emergency may be his platilates has decreased. Along with other medication given by your doctor give Fresh papaya plant leaf juice 20 ml 2 times daily. Monitor platilate daily.
Mahasudarshan kadha 2 tsf + amritarishta2 tsf with equal amounts of water after meals. Twice a day
sanjeevani vati 2 tb +mrityunjay ras 2 tb twice a day empty stomach giloy tulsi papaya leaf juice (u can get packed juice also at ayurveda store) 4 tsf with half cup of water twice a day empty stomach.
U will be completely fine after following this regime dear.