Pharmacology Which of the following expectorant causes gastric irritation & reflex increase in bronchial gland secretions A Ambroxol B Guaifenesin C Sodium cromoglycate D Fosaprepitant 💡 Explanation Which of the following expectorant causes gastric irritation & reflex increase in bronchial gland secretions ✓ Correct Answer: B. Guaifenesin