The symptoms of being allergic to Christmas trees will be similar to being allergic to other things.
Some symptoms of being allergic to Christmas Trees are runny nose, dark circles under the eyes, itchy nose and eyes, watery eyes, coughing and sneezing.
The trees can be home to microscopic mold spores that trigger asthma and the allergies to the Christmas Trees.
If you're allergic to Christmas Trees then getting rid of the Christmas Tree and using a fake Christmas Tree can help keep you from having symptoms related to the Christmas Tree.
It's usually though the scent of the Christmas Tree instead of the actual tree that you're allergic too though.