Accompanying Symptoms. You can usually determine that your aching teeth are related to the flu and sinus rather than dental care by looking out for other symptoms. Sinus toothaches usually come with tenderness in the cheekbone and gums, throbbing headache, fatigue, and a runny nose.nlike a common cold, the flu is caused by an influenza virus that infects the airway tract in the nose and throat. Symptoms of the flu can include fever, weakness, coughing, headache, and achesâsometimes even in the teeth. 1  Things That Make Toothaches Worse. 2  How to Alleviate Tooth Pain Caused by Sinuses.
1 Rotavirus. 2  Symptoms of rotavirus â the leading cause of viral gastroenteritis in infants and young children â usually appear one to three days after exposure. 3  But you're contagious even before you develop symptoms, and up to two weeks after you've recovered.he contagious period â the time during which a sick person can give the illness to others â is slightly different for each virus. 1  Norovirus. 2  With norovirus â the most common cause of viral gastroenteritis in adults and children â you're contagious from the moment you begin to feel ill.
These infections are contagious and can be passed on by touch or by using personal items of the infected person. Even a sneeze or a cough by an infected person can pass on this infection. The typical contagious period for pharyngitis is about 48 to 72 hours.ost bacterial pharyngitis is caused by the streptococcus bacteria and is quite contagious. Strep throat is caused by these bacteria. The symptoms of strep throat include: 1  Red and inflamed throats. 2  Swollen lymph glands. 3  Difficulty swallowing.