Hamilton Urgent Care Walk-In Medical Center in Hamilton OH combines walk-in urgent care with a full range of primary care services to meet your family’s medical needs. We offer fast, convenient service with minimal waiting times. No appointment is ever needed. Hamilton Urgent Care Walk-In Clinic, offers quick, convenient high quality care for: strep sore throats cough/colds flu nausea/vomiting ear aches sinus infections bronchitis/pneumonia vaccinations lacerations sprains/fractures rashes sports and school physicals burns urinary infections eye injuries