In clinical studies, nausea, lightheadedness, and nose or throat irritation were the most common side effects seen with Beconase®. Side effects of the medication are minor in most cases, but there are also a number of rare but potentially serious side effects of Beconase that should be reported to a healthcare provider immediately, including frequent and severe nosebleeds, signs of steroid toxicity, or an allergic reaction.
(Click Beconase Side Affects to learn more, including common side effects and rare but potentially serious problems that may require prompt medical attention.)