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Asthma Medications - Possible Side Effects

NOTE: This resource is designed to provide a concise introduction to a variety of screening, diagnostic, and treatment procedures. All animations in the Procedures InMotion resource are physician-reviewed and reflect the most up-to-date, evidence-based information. Relevant sources are provided for each animation.

The information provided here is intended to offer a general idea of what to expect when you undergo a particular procedure. Some details have been intentionally omitted to make the animation more accessible. Specific details, including length of the procedure, duration of the hospital stay, and the surgical techniques used can vary based on the severity of your condition, your doctor's experience, the hospital's protocol, and other factors. Be sure to thoroughly discuss the details of your procedure with your doctor beforehand.


Asthma medications - like most medications - can cause side effects.

When given a prescription for a new medicine, ask what side effects might be expected, which are uncommon, and which should be reported to your healthcare provider.

Side effects can depend on the type of medication and device used to take it.

Side effects commonly associated with asthma medications are: an increased heart rate; dizziness, shakiness, feeling jittery or nervous; coughing; a sore throat, dry mouth or hoarseness; a bad taste in the mouth; or thrush, which is a yeast infection in the mouth. Thrush and hoarseness can be prevented by rinsing your mouth, or brushing your teeth, after using inhaled steroid medications.

Let your healthcare provider know about these or any other side effects you experience. Also mention if you notice a worsening of any asthma symptoms, such as coughing, wheezing, or if your symptoms cause you to wake up at night.

And tell them if you suspect you have thrush. It can be treated with an oral anti-fungal medication.

There may be a different medication you can take, or your dosage may be changed to help reduce the side effects.

Expected side effects are usually temporary. So if you experience them, don’t stop taking your medication.

An unexpected side effect might be that your asthma symptoms worsen after taking your medication.

Being aware of possible medication side effects is an important part of managing your asthma. But if you experience any, don’t give up. Together you and your provider will find the right medications that work for you.

Animation Copyright © Milner-Fenwick

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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