A urinary catheter is a hollow, partially flexible tube that collects urine from the bladder and leads to a drainage bag. They come in many sizes and types. Catheters may be necessary in cases when ...

An intravenous (IV) injection is an injection of a medication or another substance into a vein and directly into the bloodstream. It is one of the fastest ways to get a drug into the body, often ...

Some medications must be given by an intravenous (IV) injection or infusion. This means they’re sent directly into your vein using a needle or tube. With IV therapy, a thin plastic tube called an IV ...