Voluntary Intoxication means intoxicating oneself with knowledge of getting impaired. Usually, voluntary intoxication is done by the intake of any alcohol or drug. In voluntary intoxication the person consuming the intoxicated drug will be in a position that s/he will be physically or mentally impaired.
Although, voluntary intoxication is not considered as a defense to a general intent crime, there are certain defenses that a person can claim even if s/he is intoxicated.. They are:
1. defense of Mens Rea;
2. special rule of homicide;
3. voluntary act; and
4. intoxicated-induced insanity.