Dec 20, 2025 · If you have an erection lasting more than four hours, you need emergency care. The emergency room doctor will determine whether you have ischemic priapism or nonischemic priapism. …

Feb 21, 2025 · Cracked heels, also known as fissures, can be a nuisance. They may lead to more-serious problems if left untreated. Treat them by giving your feet a little more attention. Start with …

Dec 24, 2025 · Symptoms Blood in the urine can look pink, red or cola-colored. Red blood cells cause the urine to change color. It takes only a small amount of blood to turn urine red. The bleeding often …

May 10, 2024 · Animal bites might be caused by pets — such as cats, dogs, hamsters and turtles. Or bites may be from farm animals or wild animals. The type of care needed depends on how deep the …

Jan 4, 2023 · Overview Even the best-behaved children can be difficult and challenging at times. But oppositional defiant disorder (ODD) includes a frequent and ongoing pattern of anger, irritability, …

Jul 29, 2025 · Diagnosis You may start by seeing your primary care provider to find out if your anxiety could be related to your physical health. He or she can check for signs of an underlying medical …

Oct 14, 2025 · Lice are tiny, wingless insects that feed on human blood. Lice spread from person to person through close contact and by sharing clothes and other items. There are three types of lice: …

Oct 21, 2023 · Craving and chewing ice (pagophagia) is often associated with iron deficiency with or without anemia.

Nov 28, 2024 · Learn about symptoms, causes, treatment and self-care tips for this group of rare conditions that causes blisters and sores on the skin or mucous membranes.

Victoria E. Clark, M.D., Ph.D., is a Senior Associate Consultant in the Department of Neurologic Surgery and the State of Florida Endowed Chair of Cancer Research at the Mayo Clinic's Florida campus. Dr. …