Drinking alcohol after rabies vaccination may not have any effect on the body, or it may aggravate the adverse effects of rabies vaccination such as headache.
Rabies vaccination stimulates the body’s immune system to produce antibodies against the rabies virus. Normally, alcohol consumption does not affect the functioning of the body’s immune system, and therefore does not affect the rabies vaccine’s ability to produce its immune effect.
Drinking alcohol after rabies vaccination may not cause any adverse reaction in some vaccinated persons, which is closely related to the individual’s health condition. Drinking alcohol may aggravate the adverse effects of rabies vaccination, such as fever, nausea, dizziness, headache, and fatigue, in some vaccinated individuals.
Therefore, it is recommended not to drink alcohol after rabies vaccination to avoid aggravation of the adverse effects.