Worsening allergy symptoms: headaches, feeling of nausea (no vomitting), head/facial pressure; tested non- reactive to all skin tests; had sinus surgery - no improvement; taking/using daily: Claritan, saline for nose, Nasonex, Benadry as needed (usually 3 per day). What else can I do? Symptoms of allergies, but shots not recommended because of non-reaction to skin testing.