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Inhaled corticosteroids are the most effective medicine to treat persistent asthma. Inhaled corticosteroids are asthma controller medicines. Asthma symptoms happen less often when an inhaled corticosteroid is used every day. When used every day, these medicines make the breathing tubes less sensitive by blocking the inflammation that leads to asthma symptoms.
Using a controller medicine reduces the need for rescue medicines and lowers the chance of needing to go to the emergency room for an asthma attack.
Because the main problem in asthma is long-term inflammation in the lungs, corticosteroids are often used to treat asthma. Corticosteroids help to reduce and prevent the swelling and excess mucus in the airway caused by inflammation.
For most people with asthma, corticosteroids are the single most effective medicine because they break the inflammation cycle and reduce the likelihood of future asthma flare-ups.
Inhaled corticosteroids are not like anabolic steroids. Although they have a similar name, they are very different from the anabolic steroids that are abused by some athletes. Also, it is important to know that concerns about using oral corticosteroids do not apply because inhaled corticosteroids are not absorbed into the body to any large extent .
A small number of individuals experience some local side effects, such as a yeast infection (white spots) of the mouth, tongue or throat and occasional hoarseness. Side effects can be avoided by rinsing the mouth after each treatment and using a spacer with a metered dose inhaler .
Corticosteroids have been used to control MS relapses for decades. Data on the effectiveness of these medications in MS comes from four randomized, placebo-controlled studies of intravenous and oral methylprednisolone. Altogether, these studies included 74 people with MS who received corticosteroid treatment and 66 who received placebo. Corticosteroid treatment with methylprednisolone resulted in greater speed of recovery from exacerbation compared with placebo. However, treatment did not decrease the risk of future relapses or decrease the progression of disability.