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Lungs
Lungs


Cough

Definition:

Coughing is an important way to keep your throat and airways clear. But too much coughing may mean you have a disease or disorder.

Some coughs are dry. Others are productive. A productive cough is one that brings up mucus. Mucus is also called phlegm or sputum.

Coughs can be either acute or chronic:

  • Acute coughs usually begin rapidly and are often due to a cold , flu , or sinus infection. They usually go away after 3 weeks.
  • Subacute coughs last 3 to 8 weeks.
  • Chronic coughs last longer than 3 weeks.


Causes:

Common causes of coughing are:

  • Allergies that involve the nose or sinuses
  • Asthma and COPD (emphysema or chronic bronchitis)
  • The common cold and flu
  • Lung infections such as pneumonia or acute bronchitis
  • Sinusitis with postnasal drip

Other causes include:



Home Care:

If you have asthma or another chronic lung disease, make sure you are taking medicines prescribed by your doctor.

Here are some tips to help ease your cough:

  • If you have a dry, tickling cough, try cough drops or hard candy. Never give these to a child under age 3, because they can cause choking.
  • Use a vaporizer or take a steamy shower. These increase moisture in the air and help soothe a dry throat.
  • Drink plenty of fluids. Liquids help thin the mucus in your throat making it easier to cough it up.
  • DO NOT smoke and stay away from secondhand smoke

Medicines you can buy on your own include:

  • Guaifenesin helps break up mucus. Follow package instructions on how much to take. DO NOT take more than the recommended amount. Drink lots of fluids if you take this medicine.
  • Decongestants help clear a runny nose and relieve postnasal drip. Check with your doctor before taking decongestants if you have high blood pressure.
  • Talk to your child's doctor before you give children ages 6 years or younger an over-the-counter cough medicine, even if it is labeled for children. These medicines likely do not work for children, and can have serious side effects.

If you have seasonal allergies, such as hay fever:

  • Stay indoors during days or times of the day (usually the morning) when airborne allergens are high.
  • Keep windows closed and use an air conditioner.
  • DO NOT use fans that draw in air from outdoors.
  • Shower and change your clothes after being outside.

If you have allergies year-round, cover your pillows and mattress with dust mite covers, use an air purifier, and avoid pets with fur and other triggers.



When to Contact a Medical Professional:

Call 911 if you have:

  • Shortness of breath or difficulty breathing
  • Hives or a swollen face or throat with difficulty swallowing

Call your doctor right away if a person with cough has any of the following:

  • Heart disease, swelling in your legs, or a cough that gets worse when you lie down (may be signs of heart failure )
  • Have come into contact with someone who has tuberculosis
  • Unintentional weight loss or night sweats (could be tuberculosis)
  • An infant younger than 3 months old who has a cough
  • Cough lasts longer than 10 to 14 days
  • Cough that produces blood
  • Fever (may be a sign of a bacterial infection that requires antibiotics)
  • High-pitched sound (called stridor ) when breathing in
  • Thick, foul-smelling, yellowish-green phlegm (could be a bacterial infection)
  • Violent cough that begins rapidly


What to Expect at Your Office Visit:

The health care provider will perform a physical exam. You will be asked about your cough. Questions may include:

  • When the cough began
  • What it sounds like
  • If there is pattern to it
  • What makes it better or worse
  • If you have other symptoms, such as a fever

The provider will examine your ears, nose, throat, and chest.

Treatment depends on the cause of the cough.



References:

Chung KF, Mazzone SB. Cough. In: Broaddus VC, Mason RJ, Ernst JD, et al, eds. Murray and Nadel's Textbook of Respiratory Medicine. 6th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 30.

Kraft M. Approach to the patient with respiratory disease. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 83.




Review Date: 6/22/2015
Reviewed By: Denis Hadjiliadis, MD, MHS, Associate Professor of Medicine, Pulmonary, Allergy, and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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Atlantic Medical Group
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Morristown Medical Center

100 Madison Avenue
Morristown, NJ 07960
973-971-5000

Overlook Medical Center

99 Beauvoir Avenue
Summit, NJ 07901
908-522-2000

Newton Medical Center

175 High Street
Newton, NJ 07860
973-383-2121

Chilton Medical Center

97 West Parkway
Pompton Plains, NJ 07444
973-831-5000

Hackettstown Medical Center

651 Willow Grove Street
Hackettstown, NJ 07840
908-852-5100

Goryeb Children's Hospital

100 Madison Avenue
Morristown, NJ 07960
973-971-5000

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