Jan 11, 2024 · Narrow stools that happen now and then probably are harmless. But in some cases, narrow stools — especially if pencil thin — may be a sign that the colon is narrowing or …

Oct 14, 2023 · Causes Scar tissue, which can narrow the urethra, can be due to: A medical procedure that involves putting a tool, such as an endoscope, into the urethra. A tube that's …

Jul 20, 2024 · Coarctation of the aorta is a narrowing in a part of the body's main artery, called the aorta. The heart must pump more forcefully to send blood through the aorta and on to the rest …

Jul 12, 2025 · Renal artery stenosis is when one or more arteries that carry blood to the kidneys narrow. These are called the renal arteries. Having narrowed renal arteries means the kidneys …

Jun 27, 2024 · The most common cause of spinal stenosis is wear-and-tear damage in the spine related to arthritis. People who have serious spinal stenosis may need surgery. Surgery can …

Aug 27, 2025 · Possible side effects of narrow band ultraviolet B therapy include redness, itching and burning. These side effects usually clear up within a few hours after treatment. Combining …

Aug 9, 2024 · Plaque can cause arteries to narrow, blocking blood flow. In PAD, plaque collects in the arteries of the arms or legs. Less common causes of PAD include: Swelling and irritation of …

Kidney problems. High blood pressure can cause the blood vessels in the kidneys to become narrow or weak. This can lead to kidney damage. Eye problems. Increased blood pressure …

Jan 1, 2025 · Another surgical option is reshaping the narrow part of the trachea to make it wider. This is called a slide tracheoplasty. Endoscopic laryngotracheal reconstruction Endoscopic …

Jul 12, 2025 · Diagnosis To diagnose renal artery stenosis, your healthcare professional may start with: A physical exam. This includes listening through a stethoscope over the kidneys for …