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因子（如维生素B6因子、生氰糖苷等）存，尤其是生氰糖苷毒性限制了亚麻籽。

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

肥厚心肌对于心律失常药物致心律失常毒性非常敏感，容易发生尖端扭转型室速。