What Causes Pelvic Region, Back, Chest And Back Pain With Dry Cough?

Pain in my pelvic region, pain in my back near my sciatic nerve, fullness in my chest, pain in my back near my heart but more to the side; on both sides but mostly on my left. Dry cough but feel more like mucus in there now; feeling of soreness all over, right now the pain is extending down my legs, worse when I sit down in my hips, fatigue, no energy