Pharmacology True about tachyphylaxis: (PGI Dec 2006) A Di rect sy mpathem imetic involved B Mechanism clearly understood C Ephedrine tachyphylaxis reversed with nora- drenline D Indirect sympathomimetics involved 💡 Explanation True about tachyphylaxis: (PGI Dec 2006) ✓ Correct Answer: D. Indirect sympathomimetics involved