In-depth

Allergies and asthma

Allergies and asthma are often linked. A Mayo Clinic specialist discusses how they're connected — and what you can do to manage both.

Allergy medications

Allergy skin tests

Itching, sneezing and swelling: Find out what's causing your allergy symptoms.

Anaphylaxis

Anaphylaxis is the most serious type of allergic reaction. It often occurs rapidly after exposure to an allergen and may be life-threatening.

Breast-feeding and medications

When you're breast-feeding, medications aren't necessarily off-limits — but caution is important. Get answers to common questions about breast-feeding and medications.

Cough

An occasional cough is normal and healthy. A cough that persists for weeks signals an underlying problem.

Dermatitis

Dermatitis, an inflammation of the skin, can have many causes and occur in many forms. Here's how to recognize and treat this itchy skin disorder.

Food allergy

Food allergy symptoms can make you miserable. Unfortunately, there's no cure — but there are steps you can take to keep your symptoms in check.

Hay fever

Hay fever is common. Take steps to ease signs and symptoms, such as runny or stuffy nose, itchy eyes, and sneezing.

Hives and angioedema

Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.

Nasal congestion

Nasal congestion: Causes and when to see a doctor.

Peeling skin

Peeling skin may result from a variety of causes, some of which require prompt medical attention.

Prednisone risks, benefits

Corticosteroids, such as prednisone and cortisone, are used to successfully treat a variety of conditions. But these medications can also cause unwanted side effects. Get the facts here.

Prednisone risks, benefits

Corticosteroids, such as prednisone and cortisone, are used to successfully treat a variety of conditions. But these medications can also cause unwanted side effects. Get the facts here.

Runny nose

Runny nose: What's causing your sniffles?

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Watery eyes

Tearing that goes beyond a happy or sad moment can stem from a variety of causes, from hay fever to more serious conditions.

Aug. 14, 2014

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