Final answer:
The important things to know about clozapine are its side effects and allergic reactions.
Step-by-step explanation:
The question is asking about what is important to know about clozapine. The answer is d) Side effects and allergic reactions. Clozapine is an antipsychotic medication used to treat schizophrenia. It is important for patients and healthcare providers to be aware of the potential side effects and allergic reactions that can occur with its use. Common side effects include drowsiness, dizziness, weight gain, and constipation. Some rare but serious side effects include agranulocytosis (a decrease in white blood cell count), seizures, and myocarditis (inflammation of the heart muscle).