Pharmacology Patient intoxicated himself with two bottles of nasal decongestant whose primary ingredient was alpha agonist drug. Which is earliest sign seen? A Tachycardia B Dilatation of pupil C Vasodilation D All of the above 💡 Explanation Patient intoxicated himself with two bottles of nasal decongestant whose primary ingredient was alpha agonist drug. Which is earliest sign seen? ✓ Correct Answer: B. Dilatation of pupil