Digital Healthcare Marketing and Advertising Bans in Türkiye: 2025/2026 Legal Framework, Algorithmic Barriers and Strategic RoadmapA new regulation in Türkiye, published in November 2025, dramatically reshaped healthcare digital marketing by strictly differentiating between allowed "informative" activities and prohibited "advertising." The article serves as a guide for healthcare marketers navigating this complex landscape, covering the restrictions on advertising, including the use of patient testimonials and pricing information, while highlighting the narrow exceptions for international health tourism targeting foreign audiences. It also details the need for explicit consent, specific image guidelines, and content restrictions that impact engagement on social media platforms.