Symptoms and Diagnosis Page 2

Rash on Your Stomach: Common Causes and When to Get It Checked

April 17, 2026

Close-up of a red itchy skin rash on a person's stomach

Why Stomach Rashes Are So CommonThe abdomen and stomach area is a high-friction zone. Waistbands, belts, tight clothing, and elastic waistbands press against the skin for [...]

Swollen Ankles: Common Causes and When It's More Than Just Activity

April 17, 2026

Close-up of swollen feet and ankles resting on a white bedsheet.

Why Swelling Happens: The Basics of Ankle EdemaMost people notice puffy ankles after a long flight or an extra-salty meal, then forget about it once the swelling goes down. [...]

Spring Allergy Symptoms: How to Tell Allergies Apart from Skin Conditions

April 17, 2026

Woman with allergy symptoms blowing her nose with a tissue while sitting on a sofa

Why Spring Brings More Than Just SneezesWhen pollen counts rise each spring, millions of people experience more than itchy eyes and runny noses. The skin often becomes an [...]

What Triggers Hives? 12 Common Causes You Might Not Expect

April 17, 2026

A forearm with small raised hives resting on a notebook.

What Causes Hives and Why They AppearThose itchy, raised welts that seem to appear out of nowhere can be frustrating and alarming. Hives, medically known as urticaria, occur [...]

Nodular Melanoma: The Fast-Growing Skin Cancer You Need to Know About

April 17, 2026

Dermatologist using a magnifying glass to examine a mole on the back of a woman's neck

What Makes Nodular Melanoma DifferentMost skin cancers, including the more common forms of melanoma, develop gradually. They spread outward across the surface of the skin [...]

Symptoms and Diagnosis

Swollen Feet and Ankles: When Spring Activity Causes Unexpected Swelling

April 17, 2026

Person touching swollen ankle on bare foot

Understanding Spring Swelling in Your Lower ExtremitiesSpring arrives with longer days and an irresistible urge to get outside after months of winter hibernation. Many people [...]

What Does a Poison Ivy Rash Look Like?

April 17, 2026

Understanding Poison Ivy Rashes and What They Really Look LikeEach year, between 25 and 40 million people in the United States experience allergic skin reactions after [...]

What Causes Panic Attacks? Triggers, Risk Factors, and Prevention

April 17, 2026

Man clutching his chest during a panic attack.

What Triggers Panic Attacks and How to Prevent ThemA racing heart, shortness of breath, and an overwhelming sense of dread strike without warning. These are the hallmarks of [...]

Pain Behind Your Knee: Common Causes for Active People

April 17, 2026

Close-up of hands holding a knee in pain

Understanding Posterior Knee Pain in AthletesThat nagging ache behind the knee can sideline even the most dedicated runners, cyclists, and weekend warriors. Active people [...]

Outer Knee Pain: Causes, Home Treatment, and When to See a Doctor

April 17, 2026

Person sitting on a couch holding their knee in pain

The Anatomy Behind Outer Knee PainThe outer side of the knee involves several distinct structures, and the cause of lateral knee pain depends on which one is affected.The [...]