hello thank you for trusting HCM dear most commonly you may suffering from allergic rhinitis,but in cases of any history of head injury cerebrospinal fluid leak may present like this. in allergic rhinitis discharge aggravated by cold,dust or specific allergen,but csf rhinorrhea may vaggravate on bending forward position vwith head ache,with ringing ears etc.so please consult ENT surgeon he will examine And treat you accordingly. I think I answered to your question if you have any questions feel free to ask. take care.