Though effective at relieving inflammation, corticosteroids can raise your risk of infection. Corticosteroids are man-made drugs that work like cortisol, a natural hormone in your body. These medicines reduce inflammation and alter the immune system. They're used to treat a variety of medical conditions, including: Arthritis Asthma Allergies Skin conditions, such as rashes or eczema… Continue reading Corticosteroids – Side Effects, Diet & Pregnancy