Morning Cough: 8 Possible Causes And Treatments

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Human Biology

Causes of a morning cough and when to see a doctor

Medically reviewed by Chris Young, DNP, RN, NE-BC, NPD — Written by Zawn Villines — Updated on October 17, 2025

Congestion
Asthma
Bronchitis
Dry mouth
GERD
COPD
Thyroid disease
Cancer
Contacting a doctor
Summary

Many people experience a morning cough. Causes include congestion, postnasal drip, a dry mouth, chronic obstructive pulmonary disease (COPD), and thyroid problems.

Heartburn from gastroesophageal reflux disease (GERD), bronchitis, postnasal drip, or asthma can all cause a morning cough.

In some cases, a morning cough can be due to a chronic disease such as chronic obstructive pulmonary disease (COPD).

This article explores possible causes of morning cough, symptoms, treatment options, and when to speak with a doctor.

Congestion or postnasal drip

person coughing into their elbow — Mindful Media/Getty Images

Postnasal drip occurs when excess mucus from the nose drips down the back of the throat, leading to an upper airway cough. Other symptoms of postnasal drip include:

sore throat
swallowing frequently
feeling a lump in the throat

Sometimes, postnasal drip is a temporary issue when a person has an infection, such as a cold or flu, or allergies to something in the environment, including seasonal allergies.

In other cases, postnasal drip can be a more chronic problem.

People with chronic congestion from a deviated septum or gastroesophageal reflux disease (GERD) may experience frequent postnasal drip. Advancing age may also increase the risk.

Treatment options for postnasal drip

If an infection is causing postnasal drip, it will usually disappear on its own. If it lasts longer than a few weeks, a person may need antibiotics to clear a bacterial infection.

The following remedies may also help:

drinking lots of water
sleeping in a room with a humidifier
sleeping with the head slightly elevated

Asthma

Asthma causes chronic airway inflammation and irritation. This can trigger asthma attacks, during which the airway narrows and a person struggles to breathe. They may also have a wheezing or whistling sound coming from their chest.

An individual may also have chronic respiratory problems, such as a cough. Some people may notice this cough is worse at night or in the morning.

In certain types of asthma, a chronic cough is the only symptom.

Treatment options for asthma

Some people with asthma find that allergens or other triggers cause their cough. This can include pollen, air pollution, or certain weather conditions. Avoiding or limiting exposure to these triggers can be helpful.

A doctor may also prescribe a rescue inhaler for asthma attacks or asthma medication to reduce inflammation in the airway.

Bronchitis

Bronchitis refers to inflammation in the bronchial tubes, which help air travel to the lungs.

Sometimes, a bacterial or viral infection can cause this condition — these infections can occur after a cold or flu.

Symptoms include:

cough, which is initially dry and then produces mucus
chest tightness
wheezing
headache
runny nose
aches and pains

Viral bronchitis usually goes away on its own. People may require antibiotics to treat any complications of bronchitis, such as pneumonia.

A person can also develop chronic bronchitis, which may cause long-term or recurring inflammation in the bronchial tubes.

Treatment options for bronchitis

Treatment focuses on removing the source of inflammation, such as avoiding smoking or second-hand smoke, and using medications to reduce swelling and inflammation.

Dry mouth

The throat and mouth can become dry at night, especially if people:

do not drink enough fluids
sleep in a dry room
sleep with their mouth open

This can cause the tissue at the back of the throat to feel irritated and scratchy, leading to a morning cough. People may also experience:

trouble swallowing
hoarse voice
a burning feeling

Individuals may find the problem resolves by drinking more water, especially in the morning.

In some cases, chronic dry mouth may appear due to underlying health conditions, such as Sjögren disease, or medications such as diuretics.

Treatment options for dry mouth

If people find no relief by drinking more water or using a humidifier, they can consult their doctor, who can check for underlying causes.

GERD

With GERD, stomach acid travels back up the esophagus, causing a burning, painful sensation and frequent heartburn.

People may experience symptoms at night if they eat shortly before lying down, which may lead to morning hoarseness or coughing.

Severe GERD may also irritate the throat or lungs, causing a chronic cough or difficulty swallowing.

Treatment options for GERD

Routine changes, such as consuming fewer acidic foods and eating at least 3 hours before lying down, may help. Some people may also find relief from sleeping with their head slightly elevated or by using over-the-counter antacids.

If these treatments are not effective, a doctor may prescribe medication or recommend surgery.

COPD

COPD is a chronic and progressive disease that makes it harder to breathe.

Over time, the condition damages the tiny air sacs in the lungs, making it harder for the lungs to exchange gas and take in oxygen.

Symptoms can include:

coughing
wheezing
shortness of breath
low energy

People may experience mild symptoms initially, which may become more severe over time.

Treatment options for COPD

Although there is no cure for COPD, routine changes may help to ease symptoms, such as:

getting more exercise
quitting smoking
medication to help open the airways
oxygen therapy
breathing treatments

Thyroid disease

Hypothyroidism is a condition where the thyroid produces too little thyroid hormone. It may cause a person’s voice to sound hoarse. Some people also have a sensation of something stuck in the throat, which can cause a cough.

While some notice a cough throughout the day, it may be worse in the morning when the throat is dry.

Treatment options for thyroid disease

Medication can treat hypothyroidism, but it may take several months of treatment to notice an improvement in the voice.

Cancer

Certain types of cancer, including lung cancer, may cause a chronic cough. In some people, this cough may be worse in the morning.

It can be difficult to tell the difference between a cough from cancer and other types of coughs, so it is important to speak with a doctor about any persistent coughing.

Treatment options for cancer

Treatment depends on the type of cancer a person has, but strategies may include radiation or chemotherapy.

When to contact a doctor about a morning cough

An occasional morning cough might indicate a dry throat or mild allergies. Chronic coughing, either in the morning or at other times, may indicate a chronic medical condition that needs treatment.

People should speak with a doctor if:

symptoms continue even after treatment for an infection
coughing persists for more than a few weeks
they cough up blood
they have other symptoms, such as a fever or trouble breathing
a newborn has a cough

A person should visit the emergency room if they experience a cough with chest pain, shortness of breath, or confusion, or if they are coughing up large quantities of blood.

»FIND CARE:Find a pulmonologist in your area today.

Summary

Most coughs are treatable. Even in cases of a serious underlying medical condition, such as cancer, early intervention may greatly improve outcomes.

If people have an unexplained, persistent cough, they can consult with a doctor. Healthcare professionals can help assess symptoms, perform tests to determine the underlying cause of the cough, and recommend treatment options.

Asthma
COPD
Respiratory
Acid Reflux / GERD
Cancer / Oncology

How we reviewed this article:

SourcesMedical News Today has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical journals and associations. We only use quality, credible sources to ensure content accuracy and integrity. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

Acid reflux (GER and GERD) in adults. (2020).https://www.niddk.nih.gov/health-information/digestive-diseases/acid-reflux-ger-gerd-adults
Alhajjaj MS, et al. (2024). Chronic cough. https://www.ncbi.nlm.nih.gov/books/NBK430791/
Asthma cough. (n.d.).https://acaai.org/asthma/asthma-symptoms/asthma-cough
Dry mouth. (n.d.).https://www.mouthhealthy.org/en/az-topics/d/dry-mouth
Junuzović-Žunić L, et al. (2019). Voice characteristics in patients with thyroid disorders.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6592446/
Post-nasal drip. (2018).https://www.enthealth.org/conditions/post-nasal-drip/
What is COPD.? (2024).https://www.nhlbi.nih.gov/health-topics/copd

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Medically reviewed by Chris Young, DNP, RN, NE-BC, NPD — Written by Zawn Villines — Updated on October 17, 2025

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Tag » Why Do I Cough When I Wake Up

Morning Cough: 8 Possible Causes And Treatments

Human Biology

Congestion or postnasal drip

Treatment options for postnasal drip

Asthma

Treatment options for asthma

Bronchitis

Treatment options for bronchitis

Dry mouth

Treatment options for dry mouth

GERD

Treatment options for GERD

COPD

Treatment options for COPD

Thyroid disease

Treatment options for thyroid disease

Cancer

Treatment options for cancer

When to contact a doctor about a morning cough

Summary

How we reviewed this article:

Latest news

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