The misuse of medications can be a cause of...

A)states of severe drowsiness.
B)an increase in allergies.
C)a greater risk of accident.Correct
Many medications have negative effects on driving. It is therefore advisable to consult your doctor about the risks, not to self-medicate, to follow the regimen prescribed by the doctor, not to mix medications unless the doctor tells you to, to be careful with coffee or other substances, and not to drink alcohol.