At the end of the movie is stated that the dog was drugged earlier on but there is no scene depicting the drugging or showing the dog appearing to be drugged.
Only a few of scenes with blood. In the beginning, one character is bleeding from their head after a car crash. Another scene the blood is due to gunshot wounds. In another scene the blood is due to a broken leg sustained in a car crash. Other minor cuts to the forehead with minimal bleeding are depicted.