Clarithromycin 125 mg/5 mL oral suspension is a macrolide antibiotic used to treat various bacterial infections. It works by inhibiting bacterial protein synthesis, thereby preventing bacterial growth. This formulation is particularly useful for children or adults who have difficulty swallowing tablets. The recommended dosage varies based on the type and severity of the infection, as well as the patient's age and weight. Common side effects include gastrointestinal disturbances such as nausea, vomiting, diarrhea, and abdominal pain. Patients should complete the full prescribed course to prevent antibiotic resistance. It's important to follow the dosing instructions provided by the healthcare provider and to consult them if any side effects or concerns arise during treatment.