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Symbicort Side Effects

By Lisabetta DiVita ; Updated August 14, 2017

Symbicort, generically known as budesonide and formoterol, is a medication used to treat bronchospasms (airway constrictions) in such lung diseases as asthma and chronic obstructive pulmonary disease (COPD), states Drugs.com. Symbicort is an inhaled medication that serves to relax your airway muscles to help you breathe. If your doctor decides to prescribe you Symbicort, learn about its side effects.

Serious Side Effects

Symbicort can lead to such serious side effects as white patches and sores in your mouth, according to Drugs.com. It may also affect your heart and lead to tachycardia (fast heartbeats), chest pain and irregular heart rhythms called arrhythmias. Symbicort can also increase your blood pressure and lead to such symptoms as blurred vision, an intense headache, tinnitus (ringing in your ears), confusion, anxiety, convulsions and trouble breathing. You may become susceptible to infections and develop fever, a sore throat, chills, the flu and weakness. In other instances you may develop wheezing after Symbicort use. Get immediate medical help if you experience these symptoms.

Candida Albicans Infection

According to RxList.com, Symbicort is an inhaled medication that can provoke fungal growth in your mouth and throat. This particular fungus is called candida albicans. These types of infections leave white patchy lesions all over your oral region. Go to your doctor if you notice these lesions, because candida albicans infections can simply be treated with antifungal medications. Rinse your mouth with water for at least 30 seconds each time after taking Symbicort as this can decrease fungal growth.


Overdosing on Symbicort can be a frightening experience. You may develop muscle cramps, nausea, trouble breathing, vomiting, tremors and insomnia, states Drugs.com. Users may also experience fluctuations in their heart rate, chest pain, fainting spells and convulsions. Obtain immediate medical help in order to reverse these crippling symptoms.

Effects on Growth

RxList.com states that Symbicort can stunt growth in children. Have your doctor adjust the child's dosage in order reduce these side effects. It is important your child visit your doctor regularly so she can monitor his height during Symbicort use.


According to Drugs.com, long-term Symbicort use can lead to bone loss. When combined with other osteoporotic risk factors such as smoking, family history and poor nutrition, your risk of osteoporosis development skyrockets. Discuss with your doctor about your risk for developing osteoporosis while taking Symbicort.

Effects on Your Eyes and Blood

Symbicort can also lead to glaucoma (condition characterized by loss of peripheral vision) and cataracts (clouding of your eye lenses), states RxList.com. Symbicort can also lower the levels of potassium and increase glucose (sugars) levels in your blood. Hypokalemia (a low potassium level) can contribute to heart rhythm changes and hyperglycemia (high blood sugar levels) can lead to such symptoms as frequent thirst and hunger.

Allergic Reaction

In some instances Symbicort can lead to an allergic response. Symptoms include trouble breathing, hives and swelling of your face, lips and throat. Find immediate medical help in order to promptly treat these symptoms.


In some unfortunate cases Symbicort has worsened asthma symptoms (wheezing and trouble breathing) and led to a fatality. RxList.com states that formoterol fumarate dihydrate, a component of Symbicort, is to blame for this potentially lethal reaction. Symbicort is meant for chronic asthma suffers and should not be used as a rescue-inhaler.

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