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Which of the following antihistamines in topical form should not be used two weeks before allergy testing? A. Phytosphingosine B. Pramoxine HCl C. Lidocaine D. Diphenhydramine
Which of the following antihistamines in topical form should not be used two weeks before allergy testing? A. Phytosphingosine B. Pramoxine HCl C. Lidocaine D. Diphenhydramine