Rhinitis inhibit cyclooxygenase 1 (COX1), can worsen rhinitis and asthma symptoms in individuals with a history of either one of these diseases. These exacerbations most often appear due to NSAID hypersensitivity reactions rather than NSAID-induced allergic reactions. The antihistamine azelastine, applied as a nasal spray, may be effective for vasomotor rhinitis. Fluticasone propionate or budesonide (both are steroids) in nostril spray form may also be used for symptomatic treatment. The antihistamine cyproheptadine is also effective, probably due to its antiserotonergic effects. A systematic review on non-allergic rhinitis reports improvement of overall function after treatment with capsaicin (the active component of chili
Allergic conjunctivitis antihistamine and a mast cell stabilizer together. Patanol is a prescription medication, whereas ketotifen fumarate is not. A systematic review of 30 trials, with 17 different treatment comparisons found that all topical antihistamines and mast cell stabilizers included for comparison were effective in reducing symptoms of seasonal allergic conjunctivitis. There was not enough evidence to determine differences in long-term efficacy among the treatments. Many of the eye drops can cause burning and stinging, and have side-effects. Proper eye hygiene can improve symptoms, especially with contact lenses. Avoiding precipitants, such as pollen or mold can be preventative. Allergen immunotherapy (AIT) treatment