Long-term control medications. Many people with asthma need to take long-term control medications daily, even when they don't have symptoms. There are several types of long-term control medications, including the following. Inhaled corticosteroids.
However, certain illnesses, stress, or medication can disturb the delicate balance, causing the candida organisms to grow out of control, causing thrush. Medication that upsets the balance of microorganisms in the mouth and may cause thrush include corticosteroids, antibiotics, and birth control pills.
What Causes Thrush in Adults. There are plenty of factors that can disturb the natural ecosystem of microorganisms that live in your mouth, unfortunately. Oral thrush is most common in people who: 1  Wear dentures (especially ill-fitting dentures). 2  Have compromised immune systems (from cancer treatment or HIV/AIDS, for example). 3  Have diabetes.