Sponsored Topics. Marshfield is a city in Webster County, Missouri, United States. The population was 5,720 at the 2000 census. It is the county seat and part of the Springfield, Missouri Metropolitan Statistical Area. Marshfield was settled in 1830.
Another common cause of sinus headaches is allergic rhinitis (hay fever). Both prescription and nonprescription (over-the-counter, or OTC) oral medications â antihistamines, decongestants and corticosteroids â are used to treat it. 1  Antihistamines.
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.