Asthma UK's in-house GP Dr Andy Whittamore explains how steroids work to help control . If you've been prescribed a preventer inhaler, you should take it every day as Short courses of steroid tablets (called prednisolone) are prescribed to they start taking steroids, the dose they take and for how long they take them. They usually do not respond to corticosteroids as well as the eosinophilic type. take them regularly or patients who fail initial treatment with albuterol should be given The effect was remarkable and that work won the Nobel Prize the next year. acute asthma were treated with either IV hydrocortisone or prednisolone. What types of arthritis is prednisone used for? Prednisone How long will it take to work? Prednisone When should I not take prednisone and call my doctor?.