Ragweed allergy symptoms typically include sneezing, nasal congestion, itchy or watery eyes, and a scratchy throat that shows up during late summer and fall when ragweed pollen fills the air. For many people, these symptoms can feel like an endless cold that returns around the same time every year without fail. Knowing what a ragweed reaction actually feels like can help you tell the difference between seasonal allergies and other respiratory illnesses so you can ...