
Narrow stools: Should I be concerned? - Mayo Clinic
Jan 11, 2024 · What causes narrow stools? Should I be concerned? Narrow stools that happen now and then probably are harmless. But in some cases, narrow stools — especially if pencil thin — may be a …
Valvuloplasty - Type - Mayo Clinic
Apr 16, 2024 · Valvuloplasty A valvuloplasty is a treatment to repair a heart valve that has a narrowed opening. Narrowing of a heart valve is called valve stenosis. Four heart valves — the aortic, mitral, …
Urethral stricture - Symptoms and causes - Mayo Clinic
Dec 23, 2025 · 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 put into the urethra …
Peripheral artery disease (PAD) - Symptoms and causes
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 blood …
Vitiligo - Diagnosis & treatment - Mayo Clinic
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 psoralen …
Renal artery stenosis - Symptoms and causes - Mayo Clinic
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 don't get …
Dysphagia - Symptoms and causes - Mayo Clinic
Jul 31, 2024 · Growing tumors steadily narrow the esophagus. Foreign bodies. Sometimes food or another object can partially block the throat or esophagus. Older adults with dentures and people …
Arteriosclerosis / atherosclerosis - Symptoms and causes
Atherosclerosis is a specific type of arteriosclerosis. Atherosclerosis is the buildup of fats, cholesterol and other substances in and on the artery walls. This buildup is called plaque. The plaque can cause …
Glaucoma - Symptoms and causes - Mayo Clinic
Nov 5, 2024 · Regular eye exams may catch glaucoma early and save your eyesight. Find out about symptoms and treatment for this vision-stealing eye condition.
Blood pressure: Is it affected by cold weather? - Mayo Clinic
Feb 28, 2024 · Blood pressure generally is higher in the winter and lower in the summer. That's because low temperatures cause blood vessels to temporarily narrow. More pressure is needed to force blood …