Skin irritation may result in various types of dermatitis, including eczema.Swelling of the face or throat, especially if accompanied by … Diarrhea, vomiting and stomach cramping may develop after the baby has ingested cinnamon. Skin Care: Cinnamon oil is an essential oil believed to promote skin health. Asthma, shortness of breath, nasal congestion and wheezing are all signs of a food allergy. An allergic reaction to cinnamon can cause a wide range of symptoms, depending on the severity of the allergy and whether the cinnamon touches the skin or is swallowed. However, there are no research studies to validate the safety and efficacy of cinnamon oil for baby’s skin. If your baby appears lethargic and flushed in the skin, call 911 for emergency medical attention. Cinnamon doesn’t commonly cause an allergic reaction … If cinnamon extract is not available for the test, a blood test can be done, though skin testing is preferable. If you have a positive skin test and had a previous reaction to cinnamon, you are likely allergic to the spice. Some of the most common symptoms include watery eyes, runny nose, and cough. A research study reaffirms the belief and indicates that regular use of cinnamon oil can reduce skin inflammation (13) . Cinnamon is generally regarded as safe to give to your baby in small amounts after they turn 6 months of age. If your baby is allergic to cinnamon, classified as a food allergy, other symptoms may form, aside from skin reactions. You may notice that your baby becomes fussy, inconsolable and agitated after eating cinnamon.