How long is an I.V. Therapy treatment? I.V. Therapy treatments can range from 30 minutes to 1.5 hours, depending on the size of the I.V. therapy formula. By support|2024-03-11T20:50:00-07:00March 11, 2024|I.V. Therapy| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail