The correct answer is B. Polymyxin B ointment
Correct Answer Explanation
Mastocytosis comprises a group of diseases characterized by increased number of mast cells in the skin and other organs. Seventy-five percent of cases occur before the age of 2. Patients with mastocytosis should avoid potential mast degranulators including aspirin, codeine, opiates, procaine, spicy foods, cheese, alcohol, polymyxin B.
Incorrect Answer Explanation
The remaining answer choices are safe for use in patients with mastocytosis.