The patient’s stool sample is positive for Entamoeba histolytica. The nurse plans education about which class of medication for this patient?

The 20-year-old patient with asthma presents to the emergency department with increased work of breathing and severe wheezing after exposure to household dust and mold. The patient used the albuterol inhaler 6 times in the previous 4 hours with minimal relief. Upon inspection, the nurse notes extensive accessory respiratory muscle use with moderate supraclavicular retractions and nasal flaring. The nurse auscultates expiratory wheezing in all lung fields. The patient is afebrile, normotensive, significantly tachypneic, and mildly tachycardic. The chest x-ray is clear. The nurse prepares to administer which medication first? 

The 32-weeks-pregnant woman who presents with genital lesions is diagnosed with herpes simplex virus-2. The nurse prepares a patient information handout for which medication for this patient?