There are some toxic substances and antinutritional factors in flaxseed, such as antivitamin B6 factors and cyanogenetic glycoside, Which limit the application of flaxseed.

亚麻籽中毒性物质和抗营养因（如抗维素B6因、等）存，尤其是毒性限制了亚麻籽使用。

Hypertrophied myocardium is prone to proarrhythmic toxicity and development of the torsade de pointes type of ventricular tachycardia.

肥厚心肌对于抗心律失常药物致心律失常毒性非常敏感，容易发尖端扭转型室速。