A member asked:

Why do steroid inhalers cause thrush and infections of my mouth?

11 doctors weighed in across 2 answers

They affect immunity: Corticosteroids in inhalers have been very helpful in reducing asthma flares. However, they can cause side effects, including thrush, a local yeast infection in the mouth and throat. This is because the anti-inflammatory effect of the steroid also reduces the immune response against microbes, including viruses, bacteria, & fungi. Rinsing your mouth after using these inhalers helps reduce thrush.

Answered 4/1/2019

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Dr. Maziar Rezvani answered

Specializes in Allergy and Immunology

Thrush=Candida: Inhale steroids cause compromised cellular immune deficiency. With inhaled steroids and thrush , this is a localized deficiency which promotes fungal growth, specifically candida. It can be prevented by using an aerochamber and treated with swish/swallow topical antifungal agents.

Answered 1/26/2019

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Can you get thrush from using a steroid inhaler?

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