Cause of transudate pleural effusionn is
Causes of transudative effusion includes Nephrotic syndrome,congestive hea failure,cirrhosis,pulmonary embolization, myxedema,etc.Causes of exudative effusion includes neoplasms;infections like pneumonia,TB,collagen vascular diseases,Meigs syndrome,etc. Most common cause of exudative pleural effusion is bacterial pneumonia. Reference:Davidson's Medicine-22nd edition,page no:661.
Nephrotic syndrome
Tuberculosis
Pneumonia
Pulmonary infarction
Respiratory system