Other symptoms include: 1  Throat pain or tenderness. 2  Redness of the tonsils. 3  A white or yellow coating on the tonsils.  Painful blisters or ulcers on the 1  throat. Headache.  Loss of 1  appetite. Ear 2  pain. Difficulty swallowing or breathing through the 3  mouth. Swollen glands in the neck or jaw  area. Fever, 1  chills. Bad  breath.
A sinus infection is not a contagious disease. However, if it results from a viral infection such as the common cold, then the causal pathogen may be passed from person to person. More information on this subject has been provided in the following article. Advertisement. Your doctor may treat you with antibiotics if you have a bacterial sinus infection that is severe, persistent (stays for more than 10 days) or recurring. Otherwise, the above self-care measures are good enough to manage the condition.
You can be contagious from a few days up to two weeks or more, depending on which virus is causing your stomach flu (gastroenteritis). A number of viruses can cause gastroenteritis, including noroviruses and rotaviruses. The 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.