Why Does Symbicort Cause a Hoarse Voice and How to Prevent It?

Updated: 06/07/2026 | 7 min read

Written by Dr. Zack Ferris in Theskymeds Team

Editorially reviewed by Jonathan Reed, Medical Content Reviewer on 06/07/2026

Introduction

You finally find an inhaler that helps you breathe better—then your voice starts sounding rough, raspy, or unusually weak. It can be frustrating, especially if you rely on your voice for work or daily communication. Fortunately, this side effect is usually manageable.

Symbicort combines an inhaled corticosteroid with a long-acting bronchodilator to help control asthma and chronic obstructive pulmonary disease (COPD). While it's highly effective, some users develop hoarseness because part of the medication settles in the throat instead of reaching the lungs.

The good news is that most cases can be prevented with a few simple habits and proper inhaler technique.

Key Takeaways

• Hoarseness is a recognized side effect of Symbicort.

• The inhaled steroid is usually responsible for voice changes.

• Proper inhaler technique greatly reduces the risk.

• Rinsing your mouth after each dose is one of the most effective preventive measures.

• Persistent hoarseness should be evaluated by a healthcare professional.

What Is Symbicort?

Symbicort is a prescription inhaler used to treat asthma and COPD. It contains two active ingredients:

• Budesonide (an inhaled corticosteroid)

• Formoterol (a long-acting beta-agonist bronchodilator)

Budesonide reduces inflammation inside the airways, while formoterol relaxes airway muscles, making breathing easier.

This combination helps reduce flare-ups, improve lung function, and control long-term respiratory symptoms.

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Why Does Symbicort Cause a Hoarse Voice?

The main reason is the corticosteroid component.

Instead of all the medication reaching your lungs, some of it remains on your throat and vocal cords. Over time, this can irritate the tissues responsible for producing your voice.

This condition is sometimes called steroid-related dysphonia.

How the Steroid Affects Your Voice

The inhaled steroid can:

• Irritate the vocal cords

• Cause mild inflammation

• Affect the muscles involved in speaking

• Change normal vocal cord vibration

As a result, your voice may sound:

• Raspy

• Weak

• Breathy

• Scratchy

• Lower than usual

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Oral Thrush Can Also Contribute

Another common reason for hoarseness is oral thrush .

Oral thrush is a yeast infection caused by Candida. Because inhaled steroids reduce local immune defenses inside the mouth and throat, yeast can grow more easily.

Symptoms include:

• White patches inside the mouth

• Sore throat

• Burning sensation

• Difficulty swallowing

• Hoarse voice

If oral thrush develops, prescription antifungal medication may be necessary.

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Who Is More Likely to Experience Hoarseness?

Some people have a higher risk than others.

Risk factors include:

• High steroid doses

• Incorrect inhaler technique

• Skipping mouth rinsing

• Frequent inhaler use

• Existing vocal cord problems

• Smoking

• Dry mouth

• Heavy voice use, such as teaching or singing

Common Symptoms

Besides hoarseness, you may notice:

• Voice fatigue

• Difficulty speaking loudly

• Constant throat clearing

• Mild sore throat

• Dry throat

• Reduced vocal range

• Feeling like something is stuck in your throat

Symptoms often develop gradually after starting treatment.

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Table: Causes of Hoarseness and Prevention

Cause	Why It Happens	Prevention
Steroid deposits	Medication settles on vocal cords	Rinse mouth after use
Poor inhaler technique	More medicine remains in the throat	Learn proper technique
Oral thrush	Yeast overgrowth	Rinse and maintain oral hygiene
High steroid dose	Increased throat exposure	Use the lowest effective dose prescribed
Dry throat	Reduced moisture	Stay hydrated

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How to Prevent a Hoarse Voice While Using Symbicort

Fortunately, prevention is usually straightforward.

1. Rinse Your Mouth Every Time

This is the single most important habit.

After every dose:

1. Rinse thoroughly with water.

2. Gargle for several seconds.

3. Spit the water out.

4. Avoid swallowing the rinse water.

This removes leftover medication from the mouth and throat.

2. Practice Proper Inhaler Technique

Correct inhaler use ensures more medicine reaches your lungs instead of your throat.

Ask your healthcare provider or pharmacist to demonstrate the correct technique if you're unsure.

Proper technique improves treatment effectiveness while reducing side effects.

3. Stay Well Hydrated

Keeping your throat moist may reduce irritation.

Helpful options include:

• Drinking water regularly

• Using a humidifier if indoor air is dry

• Limiting excessive caffeine if it contributes to dryness

4. Rest Your Voice

If you develop temporary hoarseness:

• Avoid shouting

• Reduce prolonged speaking

• Take vocal breaks throughout the day

Professional voice users may especially benefit from temporary voice rest.

5. Maintain Good Oral Hygiene

Regular brushing, flossing, and tongue cleaning help lower the risk of yeast growth.

Routine dental care also supports overall oral health while using inhaled steroids.

6. Review Your Dose With Your Doctor

Never reduce or stop Symbicort on your own.

If hoarseness becomes troublesome, your healthcare provider may:

• Confirm your inhaler technique

• Adjust your dose if appropriate

• Evaluate alternative inhalers

• Check for oral thrush or other causes

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When Should You See a Doctor?

Most cases improve with preventive measures.

However, seek medical evaluation if:

• Hoarseness lasts longer than two to four weeks.

• Your voice continues worsening.

• You notice white patches inside your mouth.

• Swallowing becomes painful.

• You cough up blood.

• You experience significant throat pain.

• Your breathing symptoms worsen.

Persistent hoarseness should never be ignored, especially if you smoke or have additional risk factors for throat disease.

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Can You Continue Taking Symbicort?

In many cases, yes.

Do not stop Symbicort without consulting your healthcare provider.

Stopping your inhaler suddenly may increase the risk of uncontrolled asthma or COPD flare-ups.

Instead, discuss persistent symptoms with your healthcare provider so they can determine the safest solution.

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Other Possible Causes of Hoarseness

Not every hoarse voice is caused by Symbicort.

Other possible causes include:

• Viral infections

• Acid reflux

• Allergies

• Smoking

• Vocal cord nodules

• Thyroid disorders

• Age-related vocal cord changes

If symptoms continue despite preventive measures, additional evaluation may be needed.

For most people, a hoarse voice caused by inhaled corticosteroids is manageable with proper inhaler technique, mouth rinsing, and regular follow-up with a healthcare provider.

Conclusion

Experiencing a hoarse voice while using Symbicort can be concerning, but it's a well-known and often preventable side effect. The inhaled steroid can temporarily irritate the vocal cords or increase the risk of oral thrush , leading to changes in voice quality.

Simple habits such as rinsing your mouth after each use, using the inhaler correctly, staying hydrated, and maintaining good oral hygiene can make a significant difference. Most importantly, continue taking Symbicort as prescribed unless your healthcare provider advises otherwise.

If your hoarseness persists, worsens, or is accompanied by symptoms such as white patches, difficulty swallowing, or severe throat pain, seek medical evaluation promptly. Managing side effects early helps you maintain both healthy breathing and a healthy voice.

FAQ Section

1. Is a hoarse voice a common side effect of Symbicort?

Yes. Hoarseness is a recognized side effect, mainly due to the inhaled corticosteroid component.

2. Does rinsing my mouth really help?

Yes. Rinsing, gargling, and spitting after each dose significantly reduce medication left in the mouth and throat.

3. Can Symbicort cause permanent voice damage?

Permanent damage is uncommon. Most cases improve with proper inhaler use, preventive measures, or adjustments made by a healthcare provider.

4. Should I stop using Symbicort if my voice becomes hoarse?

No. Continue using it as prescribed and speak with your healthcare provider before making any changes.

5. How can I tell if I have oral thrush?

Common signs include white patches in the mouth, soreness, burning, and sometimes difficulty swallowing. A healthcare provider can confirm the diagnosis.

6. When should I seek medical care for hoarseness?

Seek evaluation if your hoarseness lasts more than two to four weeks, worsens, or is accompanied by pain, difficulty swallowing, or other concerning symptoms.