Hello! Tinnitus (Ringing ear) is not unusual in cold, as inner ear and pharynx are connected to each other via a Eustachian tube so blockage due to any inflammation can disturb the pressure inside ear.Generally Cold is self limiting viral infection that do not need medication (antibiotics) unless it is overlapped by bacterial infection. follow these steps to get rid of Cold Bed rest Drinking plenty of fluids Gargle with warm salt water and baking soda Use a decongestant or saline nasal spray if you are having struggling for breathing vitamin C supplement and zinc hot bath to clear up nasal passages spicy foods may help clear your sinuses Take Care!