Common causes that can lead to low eosinophil (EOS) levels include:
* Exposure to intense or chronic stress
* Increased steroid levels in the body (e.g., endogenous cortisol excess)
* Hypoglycemia (low blood sugar)
* Alcohol poisoning (acute alcohol intoxication)
* Use of certain medications, including birth control pills
* Endocrine disorders such as Cushing's syndrome
* Use of medications containing corticosteroids or estrogen
* Liver dysfunction or diseases
* Kidney disorders