Budesonide Inhalers

What are budesonide inhalers?

Budesonide is a prescription-only corticosteroid used in inhalers to treat asthma and chronic obstructive pulmonary disease (COPD). It reduces inflammation in the airways, helping to prevent symptoms like wheezing, coughing, and breathlessness. It’s commonly found in brands such as Pulmicort, Budelin, and Symbicort (when combined with formoterol)[1]. 

You can also find advice here on budesonide nasal spray, budesonide rectal foam & enemas, and budesonide tablets, capsules, & granules. 

What are budesonide inhalers used for?

What are budesonide inhalers used for? 

This inhaler is used to manage respiratory conditions[1]:

• Asthma (in adults and children aged 6 and over) 

• COPD (chronic bronchitis and emphysema) 

• Sometimes used in combination inhalers for both prevention and symptom relief 

How do budesonide inhalers work?

Budesonide mimics natural hormones from the adrenal glands. It works by[1]: 

• Reducing inflammation in the airways 

• Preventing swelling that narrows the lungs 

• Decreasing mucus production 

This helps keep airways open and reduces flare-ups of asthma or COPD. 

Who can take budesonide inhalers?

This medicine is suitable for most people with respiratory issues including adults and children aged 6 and above. 

However, it may not be suitable for everyone. Speak to your doctor first if you[1]: 

• Are allergic to budesonide or lactose (which contains milk proteins) 

• Have severe asthma (depending on the formulation) 

• Have untreated infections, heart rhythm issues, or adrenal gland problems without medical supervision 

• Have ever had tuberculosis 

• Are taking other steroids 

• Are pregnant or trying to get pregnant 

Please tell your doctor or pharmacist about any conditions you may have or medication you take before you start treatment, and always follow the instructions in the Patient Information Leaflet[2].

What is the typical dosage of budesonide inhalers?

Budesonide inhalers come in different strengths. Your doctor or pharmacist will determine the right dose based on your condition and the inhaler used. The usual dose for budesonide inhalers as a preventer for asthma or chronic obstructive pulmonary disease (COPD) is 1 or 2 puffs, once or twice a day. If you only use it once a day, it may work better in the evening. There are different types of budesonide inhaler[1]:

• pressurised metered dose inhalers (pMDIs) – these give the medicine in a spray form (aerosol), and can be used with a spacer 

• breath actuated inhalers (BAIs) – these release a spray of medicine as you inhale 

• dry powder inhalers (DPIs) – these give the medicine in the form of a dry powder instead of a spray

How do you take budesonide inhalers?

Using your inhaler correctly ensures maximum effectiveness[1]: 

• Shake (if required) and prepare the inhaler 

• Breathe out fully 

• Inhale deeply through the mouthpiece. If you have a dry powder inhaler, you should breathe hard and fast. If you are using a pressurised inhaler, breathe slow and deep. 

• Hold your breath for up to thirty seconds, or however long is comfortable 

• Rinse your mouth after use to help prevent the occurrence of oral thrush. It may be worth integrating your dose into your daily routine, before brushing your teeth. This way, you can remove excess medication from your mouth as you brush 

For more information on using inhalers, visit the Right Breathe website.

Can you stop taking budesonide inhalers?

Do not stop suddenly unless your doctor or pharmacist tells you to. Sudden withdrawal can cause[1]: 

• Return of asthma or COPD symptoms 

• Fatigue, nausea, or headaches 

Your doctor or pharmacist may recommend reducing the dose gradually.

What do you do if you take too much budesonide inhalers?

Accidental overuse is not usually harmful, but long-term excess can lead to[1]: 

• Adrenal suppression 

• Bone thinning (osteoporosis) 

• Growth problems in children 

Speak to a healthcare provider if you are concerned. 

What do you do if you forget to take budesonide inhalers?

If you miss a dose, take it as soon as you remember. If it’s nearly time for the next one, skip the missed dose. Do not take two doses at once[1]. 

How do I store budesonide inhalers?

Proper storage helps maintain the medicine’s effectiveness[1]:

• Keep below 30°C 

• Store in a dry place, especially if you have a dry powder device  

• Keep the cap on when not in use 

• Do not use after the expiry date 

What medicines can’t you take with budesonide inhalers?

Let your doctor or pharmacist know if you are taking any of the following[1]: 

• Other steroids (e.g. prednisolone) 

• Antifungals (e.g. ketoconazole) 

• HIV medications (e.g. ritonavir) 

Always inform your doctor or pharmacist about all medications and supplements you take before you start a new medicine, and follow the instructions in the Patient Information Leaflet[2]. 

What are the side effects of budesonide inhalers?

Like all medicines, budesonide can cause side effects. These are generally mild but can be serious in rare cases. The common side effects include[1]: 

• Sore throat 

• Hoarse voice 

• Oral thrush (rinse mouth after use) 

Rare or serious side effects include[1]: 

• Vision problems 

• Adrenal suppression 

• Growth delay in children 

• Infections 

You should contact your GP if you experience any of these symptoms. In rare cases, the medicine may cause a serious allergic reaction (anaphylaxis). You should call 999 or visit A&E immediately if you believe this is happening[1]. 

Symptoms of anaphylaxis include[1]:  

• Difficulty breathing  

• Tightness in throat and chest  

• Swelling of the tongue or throat  

• Feeling faint or dizzy  

• Blue/grey skin or lips  

• Loss of consciousness 

If you experience any side effects, including those not listed, you are encouraged to report them via the Yellow Card Scheme or contact your doctor, pharmacist, or nurse. This information is intended as a summary for general awareness and does not replace professional medical advice. 

The information provided in the side effects section is not a comprehensive list of all possible side effects associated with this medication. For a complete list of side effects, please refer to the Patient Information Leaflet (PIL) provided with your medication or consult your healthcare professional[2].

Frequently asked questions about budesonide inhalers

Do budesonide inhalers work immediately? 
No – it usually takes 3 to 7 days to start working. Control of symptoms is maintained with consistent use[1]. 

Can I use budesonide inhalers during an asthma attack? 
Not by itself – use a reliever inhaler unless prescribed as a combination as it may not act quick enough[1]. 

Can I use budesonide inhalers while pregnant? 
Only if advised by your doctor[1]. 

Can I drink alcohol? 
Yes, there is no known interaction[1]. 

Do I need a steroid card? 
Possibly, if you are on high doses or are using other steroids at the same time[1]. 

Can I drive or cycle while using budesonide inhalers? 
Yes, unless you experience vision problems[1]. 

For the official NHS guide to budesonide inhalers, visit their website.

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