Studying for licensing exams can be difficult and we tend to miss important things due to fog memory and fatigue. To assist you, I have listed the causes of anxiety disorders below.
The causes can be medical causes or due to the use of certain medicines.
Thyroid problems, such as hyperthyroidism
Respiratory disorders, such as chronic obstructive pulmonary disease (COPD) and asthma
Drug misuse or withdrawal
Withdrawal from alcohol, anti-anxiety medications (benzodiazepines) or other medications
Chronic pain or irritable bowel syndrome
Rare tumors that produce certain fight-or-flight hormones