 [ Symptoms ] i have been diagnosed with barrets esophagus and severe acid reflux are ppis safe for me [ Disease ] there are several conditions that could cause symptoms similar to yours one common condition linked to the use of decongestant nasal spray for several weeks is rhinitis medicamentosa this article has lots of info about this <link> it would be best for you to see a doctor who can examine your nasal passages and perform a medical evaluation your doc can help determine the exact cause of your persistent symptoms take care