The Incubation Period for Norovirus. The incubation period for an infection from norovirus typically take place throughout a time frame of 48 to 72 hours from the initial infection.orovirus is known as a small virus thatâs highly contagious when spread between humans. Itâs mainly acquired through ingesting material or being exposed to material thatâs been contaminated by the virus during a short period of time.
Sudafed (pseudoephedrine) is an alpha agonist used to treat nasal congestion and sinus pressure. It works by restricting the blood vessels in the nose and sinuses. Sudafed doesn't require a prescription, but there are restrictions on its purchase and it is only available at the pharmacy counter.
Most sinus infections do not require antibiotics. The majority of sinus infections are caused by a virus, and antibiotics have no effect on viruses. However, these medicines will be prescribed if the healthcare provider suspects a bacterial sinus infection. Antibiotics can control a bacterial infection and decrease the chance of complications. (Click Sinusitis (Sinus Infection) Treatment for more details on treating an acute sinus infection. You can also read more about medicines used to treat this condition by clicking Sinus Infection (Sinusitis) Medicines.)