How Long Does Ketamine Neuroplasticity Last? The Structural Timeline

Ketamine For Depression And Pain Management17 Jun, 2026Science

Summary: Following a single therapeutic session, structural ketamine neuroplasticity lasts roughly 10 to 14 days before reverting toward baseline baselines. While the rapid chemical surge peaks within the first 24 to 72 hours, the newly sprouted neural pathways face a biological countdown. To prevent these fresh connections from being cleared away by the brain’s natural cleanup process, you must actively reinforce them through targeted integration behaviors before this temporary window closes.