Nasonex corticosteroid nasal spray

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Corticosteroids have been used as drug treatment for some time. Lewis Sarett of Merck & Co. was the first to synthesize cortisone, using a complicated 36-step process that started with deoxycholic acid, which was extracted from ox bile . [43] The low efficiency of converting deoxycholic acid into cortisone led to a cost of US $200 per gram. Russell Marker , at Syntex , discovered a much cheaper and more convenient starting material, diosgenin from wild Mexican yams . His conversion of diosgenin into progesterone by a four-step process now known as Marker degradation was an important step in mass production of all steroidal hormones, including cortisone and chemicals used in hormonal contraception . [44] In 1952, . Peterson and . Murray of Upjohn developed a process that used Rhizopus mold to oxidize progesterone into a compound that was readily converted to cortisone. [45] The ability to cheaply synthesize large quantities of cortisone from the diosgenin in yams resulted in a rapid drop in price to US $6 per gram, falling to $ per gram by 1980. Percy Julian's research also aided progress in the field. [46] The exact nature of cortisone's anti-inflammatory action remained a mystery for years after, however, until the leukocyte adhesion cascade and the role of phospholipase A2 in the production of prostaglandins and leukotrienes was fully understood in the early 1980s.

Common adverse effects that occur with the use of intranasal decongestants are sneezing and nasal dryness. Duration of use for more than three to five days is usually not recommended, because patients may develop rhinitis medicamentosa or have rebound or recurring congestion. 3 However, a study of 35 patients found no rebound when oxymetazoline was used for 10 days. 30 Because oral decongestants may cause headache, elevated blood pressure, tremor, urinary retention, dizziness, tachycardia, and insomnia, patients with underlying cardiovascular conditions, glaucoma, or hyperthyroidism should only use these medications with close monitoring. 3 – 5 A study of 25 patients with controlled hypertension provides some reassurance about the use of oral decongestants; compared with placebo, this randomized crossover study found minimal effect on blood pressure with pseudoephedrine use. 31

Nasonex corticosteroid nasal spray

nasonex corticosteroid nasal spray


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