All the ADR= AE ; BUT AE≠ADR THEIR ABR DON'T HAVE THE CAUSALITY BUT AE HAVE THE CAUSALITY

Adverse event(AE) may or may not be associate or causality related to investigational product. ex. After consuming medicine subject may experience breathing problem. Serious adverse event i.e.(SAE) A ...read more

An AE can be severe without being a serious adverse event 

An SAE it is actually a special case of an adverse event where adverse out comes and serves

Adverse event is the untoward medical occrrence in a patient but serious adverse event may have same but lead to death.