Cephalexin is antibiotic medication, belonging to the class of drugs called cephalosporins,. It is commonly used to treat a variety of bacterial infections such as respiratory tract infections, skin infections, ear infections, urinary tract infections, and infections caused by certain bacteria that are susceptible to cephalexin. Cephalexin 125mg suspension refers to a liquid form of the medication. , this form is often prescribed for children or individuals who have difficulty swallowing tablets. Dosage instructions for cephalexin suspension, as well as any antibiotic, should be strictly followed as prescribed by your healthcare provider. It's essential to complete the full course of antibiotics even if symptoms improve before the medication is finished. This helps ensure that the infection is fully treated and reduces the risk of antibiotic resistance.