Do you have a diffuser in your home? They smell good, relax you, but depending on which scents you're using apparently could be hurting your smaller animals.

A Facebook post going around from a woman named Sue Murray in Michigan details what happened with her cat after extended exposure to common essential oils. As seen below, her daughter's 16-year-old cat Ernie starting acting different after she bought a diffuser and set of essential oils from Amazon.

After a head cold, they decided to put in eucalyptus oil to get rid of some congestion while she's sleeping. After about four days, Ernie wasn't feeling well. Ernie was tired, drooling, and unstable so they looked into it. Apparently eucalyptus oil can be toxic to cats, they can't metabolize it, and without antibiotics could be fatal.

The ASPCA even lists "essential oils" as a common cause for tremors in cats. The problem is, this isn't listed as a warning on the labels. Sue found that out of the 8 oils in her set, only 2 of them aren't toxic to the cat. According to her post, "Rosemary and Frankincense. Orange, Lemon, Tea Tree, Eucalyptus and Lavender ARE toxic to cats and small animals." That also means candles made with essential oils are dangerous as well.

According to the ASPCA, eucalyptus ingestion, lavender and other essential oil plants in particular are also toxic in dogs and other small animals. Before you put that diffuser up in a place where your small pet frequents in the house, do research on the possible effects they may be having on your pet.