This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Rhinitis medicamentosa is caused by excessive use of ? 
Select and explain. 
A. Topical decongestants, B. Topical steroids, C. Systemic decongestants, D. Systemic steroids
A: Topical decongestants
Answer: A: Topical decongestants 
Explanation: Ans. is 'a' i.e., Topical decongestants Rhinitis medicamentosa Caused by excessive use of topical decongestant nasal drops. It is treated by withdrawal of nasal drops, sho course of systemic steroid therapy and in some cases surgical reduction of turbinates, if they have become hyperophied.