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'Dry Drowning' Is Everywhere This Summer — Here's What You Need to Know

Dr. Elizabeth Yuko is the Health Editor at SheKnows. She is a bioethicist and writer specializing in sexual and reproductive health and the intersection of bioethics and popular culture. She is an adjunct professor of ethics at Fordham ...

Knowing the symptoms of 'dry drowning' can help save a life

Ah, summer. The time of year we get to kick back, relax by the pool… and have the media scare us with tales of kids who drown when they’re not even in the water.

Last month, we learned of the death of a 4-year-old boy from Texas who died several days after having a physical reaction to inhaling water. Since that story was widely reported, at least one other parent has come forward saying that because of media coverage, he knew what to look for and saved the life of his own child.

More: 7 Scary Water Dangers Other Than Drowning That All Parents Should Know About

But what is dry drowning and how concerned should parents be about it this summer?

To start with, “dry drowning” is not an accepted medical term.

“Readers will find many other terms relating to drowning, such as near drowning, dry drowning, wet drowning and secondary drowning, which are no longer endorsed by medical experts,” Dr. Marc Taub, the director of the emergency department at Saddleback Memorial Medical Center in Laguna Hills, California, tells SheKnows. “Although use of these terms is discouraged, they do bring attention to the potential for serious organ damage or death to occur later after the incident.”

What people refer to as dry drowning is really the delayed inflammatory response to water entering the lungs, Dr. Robert Liou, a pulmonologist at Memorial Medical Center and Miller Children’s & Women’s Hospital in Long Beach, California, said.

So here’s what happens: When people swallow water into their lungs, it can cause the vocal cord to close even though the natural response is coughing. Coughing against a closed vocal cord can sometimes lead to inflammation in the lungs, Liou says, causing the lungs to fill up with fluid over the next few days.

“Think of it like the swelling and redness that comes up after a minor paper cut,” he adds.

The buildup of fluid in the lungs can cause the patient to essentially suffocate, Liou explains, because the lungs will not be able to get oxygen into the body because of the swelling.

To complicate matters, there is another condition called secondary drowning, which people frequently refer to as dry drowning according to Liou. That happens when people swallow a lot of water into their lungs, but not enough that would cause them to drown immediately.

More: Swim Safety More Important Than Ever as Child Drowning Increases

“The salt content of pool water/ocean water is usually not to the same as the salt content in the lungs,” Liou explains. “Swallowing a significant amount of salt water/pool water into the lungs could cause a water shift inside the lungs, leading to the lungs being flooded with water due to the difference in salt contents between the lungs and salt/pool water.”

If this happens, oxygen wouldn’t be able to get into the body, leading to respiratory failure and sometimes death, he notes.

Symptoms & treatment

According to Liou, the symptoms of dry drowning include chest tightness, chest pain, shortness of breath, coughing and feeling tired. They typically start to appear between a few hours to 24 hours after the initial exposure to taking in water — although they have been reported up to 10 days after the incident.

“While frightening to consider the possibility of delayed complications, it’s reassuring to know that patients who develop serious problems will generally show warning signs,” Taub notes.

In fact, according to the International Surf Lifesaving Association website, “… there has never been a case published in the medical literature of a patient initially without symptoms who later deteriorates and dies. People who have drowned and have minimal symptoms will either get better or worse within two to three hours.”

“The key is to watch for symptoms and seek medical attention early before things get worse,” Taub adds

If you recognize the symptoms of dry drowning, you should see a health care professional immediately or call 911 if the person is in distress.

And how is dry drowning treated?

“Stabilization of the airway and breathing is the first step,” Liou explains. “In moderate cases, patients may need to be admitted and given oxygen. In severe cases, the patients may need to be placed on a breathing machine until the inflammation and pulmonary edema (water in lungs) resolves.” 

Even though it has been in the news a lot recently, dry drowning and secondary drowning are actually really rare, accounting for about 1 percent of drowning deaths, Liou says.

More: Swim Safety 101

Prevention

As always, prevention is the best medicine. Here are some things parents can do to enhance safety in the water according to Taub:

  • Learn first aid and CPR
  • Ensure proper supervision of children while near or in the water
  • Obtain swimming lessons for children
  • Utilize age-appropriate flotation aids
  • Swim near lifeguards
  • Be aware of beach hazards such as large waves, riptides and submerged rocks
  • Install proper barriers around pools
  • Adults shouldn’t swim if drinking alcohol
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