I too have itchy ears with fullness sensations with my allergies. I'm allergic to the outdoors too - grass, trees, pets, dust, etc. My Allergist prescribed Pulmicort Respules and told me to put them in a nasal spray bottle and spray that up my nose, because the regular nasal steroid sprays are not strong enough to treat my symptoms. When I forget my dose, my ears get really bad again. I also have Asthma and use the Pulmicort in my nebulizer daily. Years of Claritin did nothing for my ears.
I also find that letting the water from the shower rinse out my ears helps some. Giving up dairy did nothing for my allergies - I was dairy-free for over 2 years, and mostly dairy-free for 14 years. Now, I only eat cheese because milk seems to stuff up my nose, and my doctor says it isn't an allergy so much as a hormonal response.
Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD (Lupus?), Osteoporosis, Anemia, Very Low Lymphocyte Counts (T-Cells & B-Cells), malabsorption/malnutrition, possible Lyme Disease (Igenex Lab IgM WesternBlot positive), etc.
Meds: Pulmicort, MaxAir, Injectable Vitamin B12, Herbs, Nutritional Supplements, Essential Oils, Homeopathy.