Benefits of having eucalyptus in your shower: Reduces stress, provides relief from respiratory issues, and increases energy levels.**KEEP AWAY FROM YOUR PETS! Toxicity to pets: Small ingestions of a few leaves or low concentration eucalyptus oil leads to mild gastrointestinal distress, but ingestion of highly concentrated eucalyptus oil has been associated with severe signs including seizure, tremor, and, rarely, acute renal injury.