Asthma: Causes, Symptoms, And Treatments

Asthma is a long-term problem and has no cure. The lungs become so constricted that air cannot  move freely. It can cause serious wheezing and breathlessness, known as asthma attacks.

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The number of people with asthma has been going up steadily in the U.S. for decades. Some researchers suggest it’s because of better hygiene: The theory is that fewer childhood infections lead to under-developed immune systems, which means a greater risk of asthma.

 

Causes: Who Gets Asthma

Typically, it develops during childhood, but it can affect you at any age. People who have allergies or a parent or close family member with this condition are more likely to get it. Interestingly, more boys have asthma than girls, but it’s more common in women than in men.

 

Occupational Hazards

Some types of jobs can raise your chance of having asthma as an adult, such as working in a factory or another place where you’re regularly around and breathing in chemicals or dust.

 

Smoking

Several studies suggest that teens and adults who smoke are more likely to get this disease. And there’s strong evidence that secondhand smoke is just as dangerous.

 

Overweight

The CDC found that 4 in 10 adults with asthma were obese, while fewer than 3 in 10 adults without this condition were overweight.

 

Causes

Certain triggers can make inflammation in your airways worse. The swelling makes the space inside smaller. At the same time, your body may make extra mucus that clogs those airways. It’s really hard for air to get in and out of your lungs, so you wheeze and struggle to breathe.

 

Symptoms

You could be short of breath, gasping, and feel a tightness or hear a whistling sound in your chest. You may not be able to stop coughing.

If you’re too breathless to walk or talk, your lips or fingernails look blue, or using a rescue inhaler doesn’t help, your body isn’t getting enough oxygen. You’ll need emergency treatment to help open your airways and get your oxygen levels back up. A severe asthma attack can be life-threatening. Call 911.

 

Early Warning Signs

Sometimes, asthma will cause less dramatic symptoms. You may cough a lot (especially at night), have a hard time sleeping, feel drained for no reason, or seem out of breath. These won’t stop your day, but they can be warning signs that a full-on asthma attack is coming. Grab your inhaler.

 

Diagnosis

A lung test called spirometry measures how much air you can breathe in and out. The results will help your doctor decide whether you have asthma and how severe it is. He may also suggest allergy testing to pinpoint some of your triggers.

 

Allergies

Common things that can trigger an asthma attack include mold; dust mites; cockroaches; pollen from trees, grass, or flowers.

Foods such as peanuts, eggs, and fish can also trigger an attack.

If pollen is one of your triggers, you’ll probably notice your asthma symptoms are worse around the same time every year.

 

Pets

Dander, dead skin cells from your pet that collect on clothing, furniture, and walls can trigger an asthma attack in as little as 15 minutes.

People with cat allergies react to a protein in the saliva, skin, and urine. This protein builds up in the air or on surfaces and can trigger asthma attacks in about 25% of people with asthma.

 

Air Pollution

Outdoor and indoor air pollution can worsen asthma symptoms. Top offenders include smog, cigarette smoke, paint fumes, and hair spray. They don’t cause an allergic reaction, but they do irritate your airways. They’re known as nonallergic asthma triggers.

 

Exercise

Although exercise is good for you, physical activity can trigger symptoms for many people. This is sometimes called exercise-induced asthma. Fortunately, you can control asthma so you don’t have to give up your workouts, sports, or other activities you enjoy.

 

Weather

The weather can make asthma symptoms worse. When the temperature drops, the chances of having an attack may go up. Air that’s extremely humid or very dry can also be a trigger.

 

Treatments: Avoid Triggers

You may need to stay indoors when the smog index is high or get special bedding to combat dust mites. The most effective way to fight allergens in your home is to remove their sources and places they gather. That can include pets, carpets, and upholstered furniture. Dust regularly and use a vacuum cleaner with a HEPA filter.

 

Allergy Shots

If you can’t avoid some of the allergens that trigger your asthma attacks, these shots can make you less sensitive to specific ones and could ease your symptoms and lessen how often you get attacks. An allergist can help you figure out which shots may work for you.

 

Medication

It’s virtually impossible for someone with asthma to avoid all of their triggers all the time. Many people need to take medicine every day to prevent asthma attacks. Drugs called corticosteroids that you breathe directly into your lungs are the most common. They work by bringing down inflammation in your airways, which makes them less sensitive to allergens and irritants in the air.

 

Quick Emergency Relief

Even when you use long-term medication, asthma symptoms sometimes flare up. Rescue inhalers usually have drugs called short-acting beta2-agonists. They quickly relax the tightened muscles around your airways, so air can flow in and out of your lungs. This medication works for most asthma attacks, so you don’t have to go to the hospital.

 

Watch this video of an actual asthma attack and treatment: WARNING! GRAPHIC SCENES:

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