SEO in medical terms means optimizing healthcare websites and content to rank in search engines when patients search for medical information, symptoms, treatments, specialists, or local healthcare providers. Medical SEO operates under stricter rules than most industries because health content falls under Google's YMYL (Your Money or Your Life) category, where ranking requires demonstrating expertise, experience, authoritativeness, and trustworthiness. Medical practices need SEO because 77% of patients start their healthcare journey with a search engine before booking appointments. A dermatology clinic in Ottawa competing for "acne treatment Ottawa" or a physiotherapy practice targeting "sports injury rehab" relies on local SEO to appear in the map pack and organic results when potential patients search. Medical SEO differs from general SEO in several ways. Author credentials matter intensely—content written or reviewed by MDs, RNs, or licensed practitioners ranks better than anonymous health articles. Citations from authoritative medical sources like PubMed, Mayo Clinic, or Canadian health agencies add credibility. Patient reviews on Google Business Profile directly impact local rankings for clinics. Technical accuracy is non-negotiable because misleading health information triggers manual penalties or algorithmic suppression. Key components include local optimization for multi-location practices, schema markup for medical procedures and practitioner credentials, mobile-first design since patients search on phones while experiencing symptoms, and page speed that doesn't frustrate someone looking for urgent care information. Keyword research focuses on patient language—"knee pain when climbing stairs" rather than medical jargon like "patellofemoral syndrome." Ottawa SEO works with healthcare clients by ensuring physician bios include proper credentials and licensing numbers, building citation consistency across health directories, creating condition-specific landing pages that answer patient questions without overpromising outcomes, and managing review acquisition in compliance with PHIPA and provincial health advertising regulations. Medical SEO isn't about ranking for everything—it's about connecting the right patients with qualified providers through search while maintaining ethical standards and regulatory compliance.