Yes it can be beneficial if it is given in proper posture and proper time with proper quantity
Procedure
Lying down on supine position with slightly head low position
Enter 2 drops daily in both nasal opening at sunrise time daily
Follow with internal medicine of Ayurveda for better results
Next Steps
if it is prolong symptoms then do first exact diagnosis than start the treatment
Health Tips
it will help to recover symptoms as well as improvement of immunity ....it is done under guidance of expert