Final answer:
Chamomile can interact with certain antidepressants, especially MAOIs and SSRIs, potentially causing increased sedative effects or blood pressure changes. This highlights the need to consider potential drug interactions when prescribing or taking antidepressants.
Step-by-step explanation:
The medication among those listed that could cause an abnormal drug interaction in a patient taking an antidepressant medication is chamomile (option c). Chamomile can interact with antidepressants, especially those classified as monoamine oxidase inhibitors (MAOIs) or selective serotonin reuptake inhibitors (SSRIs), leading to increased sedative effects or changes in blood pressure.
Other treatment options for depressive disorders include psychotherapy, electroconvulsive therapy, deep-brain stimulation, blood pressure medications for certain depressive symptoms, and other classes of antidepressants. It is also important to be aware of common side effects associated with antidepressants, such as dizziness, sexual side effects, fatigue, and weight changes.