Suggest Treatment For Lung Infection Leading To Congestion

I have had a bad lung infection two lots of antibiotics and steroids. It has been three weeks now I have finished my medication. I am still getting mucus thick but now it s white not green, it sits in the back of my throat in the mornings. My voice is still not right it has gone a lot better than it was though. Wondering how long before I feel 100per cent.