 [ Symptoms ] i have started waking up at night coughing up fluid and feeling like “drowning “ [ Disease ] in my opinion this cough is a complication of post nasal discharges at night and bronchitis also anaemia is possible according to the history of long menstrual period cbc and chest functions evaluation should be done with a specialist i recommend treating any sinusitis very well and using incentive spirometer to strength your coughing efficiency