Well, yes, puffy eyes can be caused by allergies. So you need to pay more attention to allergies in your eyes. According to some researches, puffy eyes can result from illness, hormone fluctuations, allergies, and, exhaustion. And generally speaking, when it occurs, your eyes will be itchy, red, and swollen to the point of discomfort. To get rid of it, you can try some vitamin supplements. For example, Besides, Vitamin A can help to repair damage to deep skin tissue that may cause eye puffiness due to inflammation. Also, warm compresses can be effective too. So just have a try. If your situation is becoming serious, you should go and see a doctor as soon as possible.