Type of allergy | Caused by | Symptoms |
Seasonal allergies (also called hay fever) | Pollen from trees, grasses, or weeds | - Stuffy nose, runny nose, or sneezing a lot
- Itchy or red eyes, sore throat, or itching of the throat or ears
- Waking up at night or trouble sleeping, which can lead to feeling tired during the day
- Asthma symptoms (wheezing or noisy breathing, coughing, a tight feeling in the chest, and shortness of breath)
|
Mold spores that grow when the weather is humid, wet, or damp |
Indoor allergies | Mold spores |
Animals, such as cats and dogs |
Insects, such as dust mites and cockroaches |
Insect allergies | Stings from honeybees, yellow jackets, hornets, wasps, and fire ants | - Red, hot skin, especially on your face (flushing)
- Red, raised patches of skin that are very itchy (hives)
- Swelling of the face, eyelids, mouth, tongue, hands, and feet (angioedema)
- Asthma symptoms (wheezing or noisy breathing, coughing, a tight feeling in the chest, and shortness of breath)
- Nausea and vomiting
- Feeling lightheaded or like you might pass out
|
Food allergies | Milk and foods that contain milk such as ice cream or butter (called dairy foods); eggs, wheat, soy, peanuts, and tree nuts (such as almonds or cashews); fish and shellfish (such as shrimp or oysters) |
Medicine allergies | Penicillin (most common) or other medicines |
Latex allergy | Gloves and other medical supplies that contain latex, condoms, and balloons |