In-depth

Alcohol intolerance

Allergies

Aspergillosis

Broken nose

Chronic daily headaches

Chronic sinusitis

Chronic sinusitis involves long-term inflammation or infection of the sinus cavities. Medications can help, and in rare cases surgery can treat this painful condition.

Cluster headache

Cluster headaches usually occur repeatedly on one side of your head and cause intense pain that feels like a stabbing sensation in your eye.

Common cold in babies

Do you feel as if you're constantly wiping your baby's nose? Learn to recognize, treat and prevent the common cold.

Cystic fibrosis

Drug addiction

Dust mite allergy

Dust mite allergy, an immune system reaction to inhaled dust mite "debris," causes hay fever symptoms and may cause allergy-induced asthma.

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.

Headaches in children

Children of all ages experience headaches, but the causes aren't all the same. Here's how to help your child.

Humidifiers

Humidifiers can provide soothing relief of dry skin, asthma and other conditions during the winter months. But don't let yours become a household health hazard.

Influenza (flu)

Nasopharyngeal carcinoma

Rebound headaches

Respiratory syncytial virus (RSV)

Rubella

Shellfish allergy

Sinus headaches

Wheat allergy

Whooping cough

Feb. 26, 2016