Thanks for writing yor query.
After reading your post, it seems that you are having Allergic Rhinitis
You should find out the causative organism and try to avoid them.
Ebast-M contains ebastine and montelukast
Ebastine is an antihistamine, used in allergy. The common side effects of ebastine are headache,dry mouth
, abdominal pain
Montelukast is used to treatseasonal allergies. The common side effects of montelukast includes headachhes, gastrointestinal disturbances, drowsiness, sleep disturbance, agitation,etc.
Imunocin is a herbal product and its side effects are not documented.
Your treating doctor, who have examined you, knows what best suits you as he can judge the ratio of side effects and the benefit a drug can give.
You should get an X-Ray PNS done.
I hope this is helpful to you.