Apparatuses and methods for holding and supporting an intravenous catheter are disclosed, wherein the catheter support apparatus is adjustable and can be removed easily and rapidly. The catheter support apparatus includes an elongate member comprising a first end, an opposed second end, and a central portion located between the first end and the second end; a foldable strip member attached to the first end of the elongate member and adapted for movement between an open and a closed position; an attachment element adapted for removeably securing the second end on the elongate member to the inside surface of the strip member; and a closure element adapted for removeably securing the strip member in a closed position wherein the inside surface of the strip member is adapted for slidably engaging and supporting a portion of the exposed segment of the catheter.