To understand how you can take control of your seasonal allergies, let’s explore where they come from. Foreign proteins are found in many airborne substances, such as pollen, dust mites, and ragweed. When mucous membranes that come in contact with these foreign proteins are not immunologically competent enough to break down the proteins, the membranes secrete mucous, fluids, and histamine. … More Spring Or Summer Allergies? A Whole Health Approach May Bring Greater Relief.