2008 A slight but significant increase in heart rate (tachycardia) has been reported even at low doses of the drug [21] . Duloxetine does not appear … 2023 2020 2023 2023 2024 2009 … tachycardia, Takotsubo cardiomyopathy; Rare (0.01% to 0.1%): Hypertensive crisis, supraventricular fibrillation; Frequency not reported …