In some cases, they can cause one. Prednisone relieves inflamed areas of the body. It is used to treat a variety of conditions, such as inflammation (swelling), severe allergies, adrenal problems, arthritis, asthma, blood or bone marrow problems, endocrine problems, eye or vision problems, stomach or intestinal problems, lupus, skin conditions, problems renal diseases, ulcerative colitis and outbreaks of multiple sclerosis. Prednisone is a corticosteroid (a medication similar to cortisone or steroid).
It works on the immune system to help relieve swelling, redness, itching and allergic reactions. Nasal corticosteroids relieve congestion. Unlike over-the-counter nasal sprays, nasal corticosteroids are not addictive. You can use them without your body getting used to them.
On the other hand, it can take up to three weeks before you start to feel the full benefits.