Cephalexin is an antibiotic that is often prescribed to treat various bacterial infections. When taking this medication, it's important to know how it interacts with food. Typically, cephalexin can be taken with or without meals, but to enhance its absorption and effectiveness, it's recommended to take it with food. If you experience an upset stomach while on this antibiotic, consuming it with a meal can also help alleviate any discomfort. Overall, taking cephalexin with meals can improve its efficacy and make the experience more comfortable for you.