
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 …
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 …
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 …
Noonan syndrome - Symptoms and causes - Mayo Clinic
May 25, 2023 · A changed gene causes Noonan syndrome. A child inherits a copy of an affected gene from a parent. This is called dominant inheritance. The condition also can occur as a spontaneous …
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 …
Spinal stenosis - Symptoms and causes - Mayo Clinic
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 create more …
Deviated septum - Symptoms & causes - Mayo Clinic
Apr 15, 2025 · Trauma to the nose most commonly occurs during contact sports, rough play such as wrestling or automobile accidents. Aging can affect nasal structures. So a deviated septum can get …
Asthma attack - Symptoms and causes - Mayo Clinic
Apr 15, 2025 · Asthma is a long-term condition that makes breathing difficult because airways in the lungs become narrow. Symptoms of asthma attack include coughing, wheezing, tightness in the …
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.
Peyronie's disease - Symptoms and causes - Mayo Clinic
Aug 6, 2025 · It might even take on an hourglass-like shape, with a tight, narrow band around the shaft. The curving and penile shortening linked with Peyronie's disease might become worse over time.