In many cases, the best treatment for under-eye bags is reducing the fluid retention that most commonly causes them. Staying hydrated throughout the day, avoiding salt and avoiding alcohol and smoking can reduce fluid retention.
While fluid retention is a common cause of under-eye bags, other issues can exacerbate the problem. Bags caused by inflammation can be reduced with a cool compress. Seasonal allergies can also cause under-eye bags. Prescription or over-the-counter allergy medication can help reduce under-eye bags caused by allergies. For chronic bags under the eyes, cosmetic surgery to remove the excess fat and tissue is also an option.