A client is prescribed an antidiarrheal medication. The nurse should instruct the client to monitor for which of the following adverse effects?

D) Correct. H2 blockers, such as ranitidine or famotidine, are usually administered orally and do not require shaking. However, the nurse should monitor the client for signs of anaphylaxis, such as rash, itching, difficulty breathing, or swelling, as rare but serious allergic reactions can occur. Prompt recognition and intervention are essential in such cases.

A) Incorrect. H2 blockers can be taken with or without food, depending on the client's preference or specific instructions from the healthcare provider.

B) Incorrect. H2 blockers do not require shaking before administration.

C) Incorrect. H2 blockers are typically administered orally and are not given intravenously unless there are specific indications and healthcare provider orders.

A) Correct. Antidiarrheal medications can cause constipation as an adverse effect.These medications slow down the movement of the gastrointestinal tract, which can lead to a delay in bowel movements and the potential for constipation.
B) Incorrect. Urinary retention is not a common adverse effect of antidiarrheal medications. Instead, urinary retention is associated with medications such as anticholinergics or opioids.
C ) Incorrect. Hypertension is not a typical adverse effect of antidiarrheal medications.
D) Incorrect. Diuresis, which refers to increased urine production, is not associated with antidiarrheal medications. Diuresis is more commonly associated with diuretic medications.