Adult Asthma: Symptoms, Triggers, Treatment & Care

Introduction

Adult asthma can cause a cough, wheezing, chest tightness, and shortness of breath ^[2,7]. Symptoms may be mild at times and severe at others ^[7]. They may disrupt sleep, exercise, work, and daily tasks ^[5,7].

Adult-onset asthma is asthma first found after age 20 ^[9]. It causes the same symptoms as asthma in children ^[9]. However, it may be more severe or harder to treat in adults ^[9].

This guide explains adult asthma symptoms, triggers, treatment, and when to seek care. It also covers tests, daily care, and asthma attack warning signs.

Overview: Understanding Adult Asthma

What happens in the airways during asthma

Asthma is a long-term lung disease ^[2]. It involves airway swelling, changing airflow blockage, and airways that react too easily ^[2,3]. This strong airway response is called bronchial hyperresponsiveness ^[3].

During symptoms, the airways swell and become narrow ^[2,7]. They may also make extra mucus ^[7]. These changes make it harder to move air through the lungs ^[7].

The result may be a cough, wheezing, chest tightness, or shortness of breath ^[2,3]. These symptoms can return again and again ^[3]. Their strength may change over time ^[3,7].

There is no cure for asthma, but treatment can often control symptoms ^[7]. Asthma may change over time ^[7]. Regular checks help your care team adjust treatment when needed ^[1,7].

Why adult symptoms need evaluation

Adults should not assume that shortness of breath comes from age or poor fitness ^[9]. A dry cough that does not go away also needs medical review ^[9].

Other health problems can cause symptoms that look like asthma ^[2,6]. These include a lung infection and chronic obstructive pulmonary disease, or COPD ^[6]. COPD is a long-term disease that blocks airflow.

A health professional must look at the full symptom pattern ^[4,6]. Your health history, physical exam, and breathing tests can help find the cause ^[4,6].

Symptoms and Patterns of Adult Asthma

Common adult asthma symptoms

Adult asthma symptoms differ from one person to another ^[7]. Some adults have rare attacks ^[7]. Others have symptoms often or all the time ^[7].

Common symptoms include:

• A cough that keeps returning ^[2,7].
• Wheezing, which may sound like a whistle during breathing ^[2,7].
• Shortness of breath or trouble getting enough air ^[2,7].
• Chest tightness or pain ^[2,7].
• Poor sleep due to a cough or breathing trouble ^[7].
• Trouble with exercise or daily tasks due to breathing symptoms ^[5,7].

Wheezing can be a sign of asthma ^[2,7]. Still, a doctor will not base the diagnosis on one symptom alone ^[4]. The timing and changes in symptoms are also key parts of the review ^[4].

Patterns that may point to asthma

Asthma symptoms often change over time ^[3,4]. They may go away between attacks ^[7]. In other cases, mild symptoms may remain ^[7].

Patterns that may point to asthma include symptoms that:

• Get worse at night or early in the morning ^[4].
• Change with the seasons ^[4].
• Start during or after exercise ^[5,7].
• Return after contact with smoke or allergens ^[5].
• Follow the same trigger or exposure pattern ^[4].
• Limit sleep, work, exercise, or other daily tasks ^[5,7].

Some people only notice symptoms during exercise ^[7]. Other adults have them much more often ^[7].

Write down when symptoms start and what happened before them. This record can help your doctor look for triggers ^[4,5]. It may also help guide the choice of tests ^[4,5].

Causes and Common Asthma Triggers in Adults

The exact cause of asthma is often not known ^[2]. However, some triggers can start symptoms or make them worse ^[2,5].

A trigger is something linked to a rise in asthma symptoms. Each person may have a different set of triggers ^[4,5]. Finding your own pattern can help guide asthma care ^[4,5].

Allergens and irritants

Smoke and allergens are common asthma triggers ^[5]. An allergen is a substance that starts an allergic response.

Note whether symptoms occur near smoke, animals, dust, pollen, or mold. Your doctor may use this history when planning an allergy review ^[4,6].

It may not be possible to avoid every outdoor or indoor exposure. Focus on triggers that have a clear link to your symptoms ^[5]. Your care team can help you plan ways to limit them ^[5].

Smoke can make asthma harder to control ^[5]. Ask your care team for help if you smoke. Also try to reduce contact with smoke ^[5].

Exercise and changing situations

Exercise can start asthma symptoms in some adults ^[5,7]. Still, good asthma care should support normal activity and exercise ^[5].

Do not give up all exercise due to breathing symptoms. Tell your doctor about a cough, wheeze, or chest tightness during activity ^[5]. Also report shortness of breath that occurs with exercise ^[5,7].

Repeated symptom patterns may offer useful clues ^[4]. Record the place, time, and activity linked to each event ^[4,5]. Also note any exposure that came before symptoms ^[4].

Workplace exposures

Tell your doctor if symptoms start or get worse at work. An asthma health history should cover triggers and symptom patterns ^[4].

Write down the tasks or work areas linked to breathing problems. Note any materials present when symptoms begin. Also record whether symptoms improve when you are away from work.

This record cannot prove the cause by itself. However, it can help guide your clinical review and monitoring ^[4,5].

Medicines and suspected triggers

Tell your clinician about the medicines and supplements you take. This gives the care team a fuller health history.

Do not stop a prescribed drug on your own. Contact the prescriber if symptoms seem linked to a medicine. Record when you took it and when the breathing problem began.

Get emergency help for severe or fast-worsening breathing trouble ^[7,8].

How Adult Asthma Is Diagnosed and Monitored

No single symptom proves that an adult has asthma ^[4,6]. Diagnosis uses your health history, an exam, and breathing tests ^[4,6].

Medical history and physical examination

A clinician may ask about:

• Cough, wheezing, chest tightness, and shortness of breath ^[4].
• Noisy breathing or other breathing changes ^[4].
• Symptoms that vary by season or time of day ^[4].
• Problems at night or early in the morning ^[4].
• Activities or triggers that make symptoms worse ^[4].
• A personal or family history of asthma or nasal allergies ^[4].
• Signs that may point to a different cause ^[4].
• Smoke and workplace exposures that may affect symptoms ^[4,5].

The physical exam looks for signs of asthma and other health problems ^[4,6]. The health history is also a key part of diagnosis ^[4,6].

Spirometry and other breathing tests

Spirometry is a test that checks how well you breathe out ^[6]. It measures how much air you blow out and how fast you do it ^[6].

The test may take place before and after a bronchodilator ^[6]. A bronchodilator is a medicine that opens narrowed airways ^[6].

Spirometry may show that airflow blockage changes after treatment ^[3,4,6]. This result can support an asthma diagnosis ^[3,4,6]. However, it must be read along with the person’s health history ^[3,4,6].

More tests may be needed if the first results do not explain symptoms ^[6]. A methacholine challenge is one possible test ^[6]. It checks whether an inhaled trigger causes the airways to narrow ^[6].

Doctors may use this test even when the first lung test is normal ^[6]. They may also consider allergy tests or checks for other health problems ^[4,6].

Tracking symptoms and peak flow

A peak-flow meter checks how fast you can force air from your lungs ^[6]. A lower reading may mean that your asthma is getting worse ^[6].

Your clinician may ask you to check peak flow at home ^[5,6]. Follow the instructions given for low readings ^[6].

A daily record may include:

• Cough, wheezing, chest tightness, and shortness of breath.
• Waking at night due to breathing trouble.
• Limits on work, exercise, or other tasks.
• Use of your prescribed reliever medicine.
• Possible triggers or recent exposures.
• Peak-flow results when your clinician advises them.

This record may reveal changes that are easy to miss ^[5,7]. It can also help with treatment reviews ^[1,5]. Use it with your asthma action plan if your clinician advises this ^[1,5].

Treatment and Daily Control of Adult Asthma

Adult asthma treatment is not the same for everyone ^[1]. The plan depends on the strength of symptoms and response to medicine ^[1]. Your clinician may change treatment until asthma is under control ^[1].

Care aims to control symptoms and support normal activity ^[5]. It also aims to lower the risk of attacks and urgent medical visits ^[5].

Controller and quick-relief medicines

Controller medicines help prevent or reduce symptoms ^[1]. They also lower the risk of asthma attacks ^[1]. Some people take them each day ^[1].

Prescribed reliever medicines act fast during worsening symptoms or an asthma attack ^[1]. Use them as directed in your personal treatment plan ^[1].

Some adults need daily controller care ^[1]. Others may have a different plan from their clinician ^[1]. There is no single drug plan that is right for everyone ^[1].

Use every medicine as directed. More frequent reliever use may be a sign of worse control ^[1,7]. Relief that does not last may also call for a treatment review ^[1,8].

Do not change your treatment on your own. Tell your care team about side effects or missed doses. Also discuss cost or problems using the medicine.

Correct inhaler use

Correct inhaler use helps medicine reach the lungs. Ask a doctor or pharmacist to watch how you use your device. They can point out steps that need to change.

Follow the directions for your own inhaler. Devices may not all use the same steps.

Bring your inhalers to follow-up visits. Your care team can check how you use them. This may help the team review why symptoms remain poorly controlled.

Use a written asthma action plan

An asthma action plan explains daily care and what to do when symptoms get worse ^[1]. Your clinician may change the plan as your needs change ^[1].

Many plans use three zones:

• Green zone: Symptoms and peak flow are near your normal level.
• Yellow zone: Symptoms are getting worse or peak flow is in the warning range.
• Red zone: Symptoms or readings show severe worsening and call for urgent action.

Your clinician must set the exact steps for each zone ^[1]. Keep the plan where you can reach it. Share it with people who may help during an attack.

Follow the plan instead of guessing. Ask for a new copy after any change in your medicines or care steps ^[1].

Trigger reduction and follow-up care

Use a symptom record to help find triggers ^[4,5]. Try to control or avoid exposures that clearly make symptoms worse ^[5]. These may include smoke, allergens, or exercise settings ^[5].

Talk with your clinician if exercise causes breathing problems ^[5]. Asthma care should help you stay active when it is safe ^[5].

Regular visits let your care team review symptoms and change treatment ^[1,7]. This matters because asthma can change over time ^[7].

A follow-up visit may include:

• A review of symptoms during the day and night.
• A talk about recent attacks or activity limits.
• A review of prescribed reliever use.
• A check of peak-flow records.
• A check of inhaler use.
• A review of treatment response.
• An update to your asthma action plan.

Treatment should aim to support normal daily activity ^[5]. Tell your clinician about any limits that do not improve ^[5].

When to See a Doctor for Adult Asthma

When to schedule a routine appointment

Make an appointment for new or repeated breathing symptoms. These include wheezing, cough, chest tightness, and shortness of breath ^[2,6]. Several health problems can cause these symptoms ^[2,6].

Arrange a visit if symptoms:

• Wake you from sleep ^[4,7].
• Often occur at night or early morning ^[4].
• Limit work, exercise, or daily tasks ^[5,7].
• Follow a seasonal or exposure-linked pattern ^[4].
• Continue while you follow your treatment plan ^[1,7].
• Lead to more reliever use than your plan allows ^[1].

Do not dismiss a long-lasting dry cough as a normal part of age ^[9]. Shortness of breath also deserves a proper medical review ^[9].

Signs of worsening asthma that need prompt care

Contact your clinician soon if symptoms are rising or limiting more activities ^[5,7]. A peak-flow result below your normal level may also show worse asthma ^[6].

Follow the yellow-zone steps in your action plan ^[1]. Use only the quick-relief care prescribed for you ^[1].

Get prompt advice if rescue treatment does not last as expected ^[8]. You may need urgent care if home treatment does not improve an attack ^[8].

A doctor may want to see you even if home care helps ^[8]. Follow-up needs depend on how severe the attack was ^[8].

Emergency symptoms during an asthma attack

Some asthma emergency symptoms may point to a life-threatening attack ^[7,8]. These include severe shortness of breath and failure to improve after rescue treatment ^[7,8]. Trouble speaking normally is also an emergency warning sign ^[7,8].

Bluish or gray lips need emergency care ^[7,8]. Confusion or unusual sleepiness are also serious warning signs ^[7,8].

During severe breathing trouble:

• Follow the red-zone steps in your action plan ^[1].
• Use prescribed rescue medicine as directed ^[1].
• Call emergency services for severe or fast-worsening symptoms ^[7,8].
• Get emergency care if home treatment does not help ^[8].
• Do not wait for severe symptoms to pass on their own ^[7,8].

Do not drive yourself during severe breathing trouble. Call local emergency services instead. If possible, have another person stay with you.

Conclusion

Knowing adult asthma symptoms and triggers can help you spot changes. Common signs include cough, wheezing, chest tightness, and shortness of breath ^[2,7]. Poor sleep and activity limits may also point to poor control ^[5,7].

Work with a health professional to confirm the diagnosis ^[4,6]. Your care team can choose treatment and create a written action plan ^[1]. It can also review how you use your inhaler.

Track symptoms, triggers, reliever use, and peak flow when advised ^[5,6]. Follow your action plan when symptoms get worse ^[1].

Call emergency services for severe or fast-worsening breathing trouble ^[7,8]. Get emergency help if prescribed rescue treatment does not bring enough relief ^[8].