I am suggesting treatment irrespective seeing your nadi (pulse treatment).
If only congestion is there the following treatment will give you the best result but, you should consult to your doctor for the basic causes and pathological investigations first.
1)application of warm sesame oil with rock salt on chest at bed time.
2)take dicocction of ginger + coriander seeds +bharangi + vrusha +chitratandulam + vishwa is the best medicine with agastiharitaki rasayan 3 spoons at the time of dicocction (thrice a day) for 7 days.
3)also shwaskuthar rasa 2 tabs/thrice a day with ginger melts the cough
and gets the track very clear to breath. Also due to these medications the patient gets undisturbed sleep.
Many patients at my clinic are getting this low cost medicine through nadi chikitsa and getting the perfect result.