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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Drugs which increase level of theophylline include:
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The correct answer is  Drugs which inhibit theophylline metabolism and increase its plasma level are-erythromycin, ciprofloxacin, cimetidine, oral contraceptives,allopurinol, chloramphenicol- all enzyme inhibitors dose should be reduced to 2/3rds of the usual dose KD TRIPATHI Page No:227