Pleurisy pain flaring up asthma :(

Anyone had this as well as having asthma who can give me any tips? Vicious cycle pain cough pain cough pain asthma flaring up have been to the docs am dosed up pred, Levofloxacin, cocodamol, symbicort, ventolin but it still hurts a lot!! are the two related?? Have not had a chest infection since aug or been ill since then so I don't know where this has come from!! thank you! X