Nyquil And Energy Drink - What will happen if i take nyquil after an energy drink. No nyquil isnt made to knock you out but its pretty strong on the other hand 5 hour energy is like 2.5. Web tl;dr i drank an energy drink while still high off nyquil and almost had a heart attack at 25 years old.
Web tl;dr i drank an energy drink while still high off nyquil and almost had a heart attack at 25 years old. What will happen if i take nyquil after an energy drink. No nyquil isnt made to knock you out but its pretty strong on the other hand 5 hour energy is like 2.5.