Every morning there is mucus in my throat and am sweating a lot during the day and night even walking a short distance. what could be the cause?

Low grade: sinus or upper respiratory infection with post nasal drip. Get examined. Force fluids x 8-10 glasses/day of electrolyte rich fluids (Powerade, Gatorade, Vitamin Water, G) and 4-6 bowls/day of broth, bullion, consume or soup. Hot steam showers 3-4 times/day. Nasal saline, Tylenol as needed, Robitussin DM or Mucinex DM as needed. Zinc lozenges and dark brown honey 4 times/day. Rest. Warm water gargl