You cannot see, smell, or taste botulinum toxin – but taking even a small taste of food containing this toxin can be deadly.

How can you tell if botulism is present?

Signs of botulism include weak muscles, drooping eyelids, and double vision. In rare cases, you may also experience nausea and vomiting. Infants with botulism may show signs such as weak cries, constipation, a flat facial expression, and difficulty breathing.

Is botulism odorless?

This toxin can be colorless, odorless, and tasteless when put in a liquid solution. Botulinum toxin is some of the most lethal, naturally occurring substances known to man and can lead to death if not treated.