system
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.
user
All are used in bronchial asthma, except :
assistant
The correct answer is  Answer is B (Morphine) Morphine is contraindicated in asthma because it causes constriction of bronchial muscle by causing histamine release.