Adderall

If you don’t really need to take it, Adderall side effects can be very serious, because it is technically an amphetamine, a dangerous type of drug for anyone to abuse.  Although very rare, an overdose of Adderall can cause cardiac issues, stroke and death.
The most common side effects people experience when abusing Adderall are not life-threatening. That said, there other side effects that are dangerous and demand immediate medical attention.  
Link to infograph