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Tea tree oil is a natural antibacterial, antifungal that can be used naturally to help with a variety of things. It can be a disinfectant for the home, act as an antiseptic and treat infections. Tea tree oil can also be used to treat nasal congestion, which is caused by nasal membranes in the nasal passage swelling.

Steam Treatment

Steam can help with nasal congestion on its own. When adding tea tree oil to hot or boiling water and inhaling the steam, vapors help with the nasal congestion as well, according to Go Herbal Remedies. Boil a cup of water and add two drops of tea tree oil. Inhale the vapors from the tea tree oil for five to 10 minutes. This causes nasal passages to open more and allow for better breathing.


Tea tree oil can be placed in a vaporizer to help with nasal congestion. According to Tea Tree Wonders, the tea tree oil diffuses throughout the room and is inhaled. This can be done during the day or night. Use the vaporizer with tea tree oil at night to allow for better sleeping as it helps with nasal congestion.

On a Cloth

Tea tree oil can also be placed on a cloth to help with nasal congestion, according to Tea Tree Wonders. Place a couple of drops of tea tree oil on a cloth and inhale it throughout the day. This should be done for short periods. It's best to inhale the tea tree from the cloth through the nose and exhale through the mouth.