Robert B. Keller MD


Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)

Nonsteroidal anti-inflammatory drugs (NSAIDs) are used to relieve pain and fever and to reduce swelling and inflammation caused by injury or diseases such as arthritis. Aspirin, ibuprofen, ketoprofen, and naproxen are commonly used NSAIDs. NSAIDs may cause side effects. The most common are stomach upset, heartburn, and…

Worried About Using Opioids?

In the past, opioids were used only for short periods for short-term pain or for cancer pain. Many experts now also use them for longer periods to treat chronic pain. You can take these drugs, which are sometimes called narcotics or opiates, to reduce pain and increase your functioning. Examples include fentanyl…

Lumbar Spine MRI

Image courtesy of Intermountain Medical Imaging, Boise, Idaho. All rights reserved. A side view of the lumbar spine shows normal discs, spinal canal, and nerve roots (see figure 1). Nerve roots normally float in the fluid-filled canal. Figure 2 shows a small herniated disc pushing into the canal toward nerve roots.