Use of excessive doses of corticosteroids may lead to signs or symptoms of hypercorticism and or suppression of HPA function. Histamine, eicosanoids, leukotrienes, and cytokines involved in inflammation. While there are many treatments, it isn always easy to find the right one for you. If recommended doses are exceeded, however, or if individuals are particularly sensitive or taking FLONASE Nasal Spray in conjunction with administration of other corticosteroids, symptoms of hypercorticism,. Pediatric Use: Six hundred fifty 650 patients aged to 11 years and 440 patients aged 12 to 17 years were studied in US clinical trials with fluticasone propionate nasal spray. Do not take overdose of this medicine as this may cause serious side effects. The studies demonstrated significantly greater reduction in TNSS sum of nasal congestion, rhinorrhea, sneezing, and nasal itching with FLONASE Nasal Spray 200 mcg kober billige generiske flonase compared to placebo.