Debra Messing is allergic to flowers, dust and strong smells. There is this mention in a Bed Bath And Beyond article. Click here to hear Debra talk about her allergies. Debra also has a great full figured nose. Debra Messing is allergic to flowers, dust and strong smells. There is this mention in a Bed Bath And Beyond article. Click here to hear Debra talk about her allergies. Debra also has a great full figured nose.