The nurse should teach the client who is taking digoxin 0.125 mg PO daily to call the healthcare provider if which side effect is experienced?

A) Tinnitus: While tinnitus can be concerning, it is not a classic side effect of digoxin. It may indicate other issues such as hearing problems or medication interactions, but it does not typically warrant immediate communication with the healthcare provider in the context of digoxin use. B) Constipation: Although constipation can occur in some patients taking digoxin, it is generally not considered a critical side effect that requires urgent attention. Patients are encouraged to manage this symptom through dietary changes or over-the-counter remedies unless it becomes severe. C) Visual disturbances: Experiencing visual disturbances, such as seeing halos around lights or blurred vision, can be a sign of digoxin toxicity. Since these symptoms can indicate an elevated level of the drug in the bloodstream, it is crucial for the patient to contact their healthcare provider promptly to assess the situation and prevent further complications. D) Vertigo: While vertigo can occur in various medical conditions and may be a side effect of other medications, it is not specifically linked to digoxin. If a patient experiences vertigo, they should monitor it but are not necessarily required to contact their healthcare provider immediately unless it is severe or persistent.