SINUS ,DRIPS DOWN INTO THROAT AND CAUSING DEEP HARD COUGH TAKING BREATH AWAY AND DIZZY AND READY TO PASS OUT FROM LACK OF H2O, WHAT IS BEST OTC FOR THIS KEEPS ME UP , NO SLEEP , NO REST FURGE OF COLLSAPY -BLACK OUT FEEL IT IS GOING TO GIVE ME A HEART ATTACK ,CHEST HURTS EVERYTIME I cough, and red like a sunburn everytime., this going on for 16 days now