Breyna – A Comprehensive Guide

Editorially Reviewed
Osman Basaad
Written By Osman Basaad Author
Reviewed By Mir Baquer Ali Khan Reviewer
Fitness Reviewed By Mohammed Mubashir Fitness Reviewer
Published: 13 April 2026 Last Updated: 17 September 2026

Breyna is prescribed for the management of asthma in patients 6 years old and above who are not responding to a long-term asthma control medication in the form of ICS or who requires both ICS and LABA for comparison’s sake because of the severity of the condition. Breyna 160 mcg/4. Its dose of 5 mcg is used for the care treatment of airflow obstruction in patients with long-lasting obstructive pulmonary disease, that includes chronic bronchitis and/or emphysema The dose Breyna 160 mcg/4. It also used in the dosage of 5 mcg for the prevention of exacerbations of chronic obstructive pulmonary disease. Breyna is NOT to be used for the management of acute bronchospasm. For additional evidence-based guidance on asthma management and the use of inhaled corticosteroid-formoterol treatments, readers can refer to the Global Initiative for Asthma (GINA) recommendations.

This article belongs to Medicines & Treatments 

For additional information about this medication, including its formulation and general use, readers can also review this Breyna inhaler resource.

Drug Details

  • Ingredient Name: Budesonide and Formoterol(byoo DES oh nide & for MOH te rol)
  • Brand Name: Breyna; Symbicort
  • Drug Manufacturer: MYLAN

Drug Dosage

  • Breyna 80/4.5mcg Oral Inh (120 Inh)
  • Breyna 160/4.5mcg Oral Inh(120 Inh)
  • Breyna 80/4.5mcg Oral Inh (120 Inh)

How to Use Breyna

Read the Patient Information Leaflet and Directions for Use provided by your pharmacist before you start using this medicine and each time you need a refill. Follow the instructions given for the correct use of this medicine. If you have any questions, ask your doctor or chemist.

Follow the directions for priming the inhaler if you are using it for the first time, if you have not used it for more than 7 days, or if you have dropped it. When priming the inhaler, be sure to spray away from your face to avoid getting the medicine in your eyes.

Shake well for 5 seconds before each use. Inhale this medicine by mouth as directed by your doctor, frequently twice a day (morning and night, 12 hours apart).

What are the Side Effects of Breyna?

Get immediatly medical help if you have symptoms of an allergic reaction hives; problem in breathing; swelling of your face, tongue, lips or throat.

Call your doctor right away if you have:

  • Increased breathing problems
  • Sores or white areas in your mouth and throat, pain when swallowing
  • Shaking, nervousness, chest pain, fast or racing heartbeat
  • Coughing up phlegm, feeling short of breath
  • Wheezing, choking, or other breathing difficulties after using this drug
  • Blurred vision, tunnel vision, eye pain or redness, or seeing halos around lights
  • flu signs: fever, chills, body aches, uncommon tiredness
  • High blood sugar increased thirst, increased urination, dry mouth, fruity breath odor
  • Short of potassium levels–leg pain, constipation, irregular heartbeats, pounding in the chest, numbness or tingling, muscle weakness or limp feeling
  • Symptoms of a hormonal disorder: fatigue or weakness, feeling dizzy, nausea, vomiting.

Common Side Effects May Include

  • Throat pain or irritation
  • White patches in your mouth or throat
  • Stomach pain, vomiting
  • Back pain, headache
  • Flu symptoms
  • Cold signs such as stuffy or runny nose, sneezing, sinus pain, sore throat.

Caution

Tell all of your health care providers that you taken this medicine. This includes your doctor, nurses, pharmacist, and dentist. Talk to your doctor if you have high blood sugar (diabetes). This medicine may raise your blood sugar. It may take up to 2 weeks to see the full effect. Call your doctor right away if you have trouble breathing, if your rescue inhaler does not work as well, or if you need to use more of your rescue inhaler.

Do not use more of this medicine or use it more often than directed. Deaths have occurred when too much of this type of drug has been taken. Talk to your doctor. Very serious and sometimes fatal side effects can occur when switching from an oral steroid to another form of steroid. Symptoms may include weakness, feeling tired, dizziness, upset stomach, getting high, not thinking clearly, or low blood sugar.

Other Medication Information

People who use Breyna may also need information about other medicines used for common health concerns. For example, Flanax effective pain relief provides information about a pain-relief medicine. Patients with asthma or other respiratory conditions should discuss the suitability of any pain-relief medicine with a doctor or pharmacist before using it.

It is also important to use the correct medicine and dosage for the individual patient. Information about Maxtra Drops Dose Per Kg covers a different medication and should not be considered a substitute for Breyna or other prescribed respiratory treatments.

Conclusion

Breyna is a significant development in the field of asthma and old obstructive pulmonary disease (COPD) treatment. As a generic version of Symbicort, it offers a more affordable option while providing the same combination of budesonide and formoterol for effective management of these conditions. Breyna’s availability broadens access to a vital medication for many patients, potentially improving adherence to treatment regimens due to its cost-effectiveness. Overall, Breyna represents a crucial step forward in making essential respiratory therapies more accessible to a wider population.