Just be very careful with alcohol or beer it is very toxic to dogs and cats, but more so dogs, and can be fatal.
Is alcohol poisonous to dogs?
Alcoholic drinks aside, alcohol can be found in some surprising places. Rum-soaked cakes or other unbaked deserts containing alcohol may contain alcohol to cause poisoning in pets. Alcohol is also a major byproduct of ingested yeast dough (see yeast-bread dough).
Threat to pets:
Even small amounts of alcohol, especially in small dogs and cats, can cause life-threatening toxicity.
Signs of alcohol poisoning:
Alcohol smell on the breath, neurological depression, hypothermia (low body temperature), hypotension (low blood pressure), seizures and respiratory failure.
Treatment:
Intravenous dextrose (sugar), IV fluids, warming measures and in-hospital monitoring.
Prognosis:
Excellent provided the appropriate care is received.