Öz
Calcium channel blockers are a group of cardiovascular drugs that used very common in society. Since doctors frequently prescribed them and are easily accessible, it is very common to encounter in the emergency departments with overdose to aim suicide. The overdose of these drugs causes mortality by resistant shock, mortal bradyarrhythmia, cardiogenic shock and multiple organ failure. It is vital to diagnose and treat early. Even though these drugs cause mortality by resistant shock, it can be successfully treatable with effective antidotes and current treatment methods. In this review, we aim to discuss CCBs poisonings widely with current literature.