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.
TREATING CLUSTER HEADACHES WHEN THEY OCCUR. Your doctor may recommend the following treatments for when the headaches occurs: 1  Triptans, such as sumatriptan (Imitrex). 2  Anti-inflammatory (steroid) medicines such as prednisone -- starting with a high dose, then slowly decreasing it over 2-3 weeks.