Sneezing and itchy, watery eyes in the late summer and fall are often caused by allergies to ragweed pollen.
Hives, stomach cramps and swollen eyes may indicate a food allergic reaction.
Food allergic reactions can cause stomach bloating and flatulence.
People allergic to grass pollen may develop an itchy mouth, lips or throat after eating raw melons, tomatoes or kiwis.
Perfumes and strong odors can cause allergic reactions such as runny nose or cough.
Contact dermatitis looks like a red patch of skin that may also have small bumps that look like pimples.
Contact dermatitis is also known as urticaria.
Contact dermatitis is always caused by allergies.