Which of the following expectorant causes gastric irritation & reflex increase in bronchial gland secretions: (A) Ambroxol, (B) Guaifenesin, (C) Sodium cromoglycate, (D) Fosaprepitant
Answer is B. Guaifenesin, hypertonic saline & ammonium cloride are the expectorants that cause gastric irritation and also reflexly increase bronchial gland secretions.