Fluticasone (Flonase) a nasal glucocorticoid has been prescribed for a client with allergic rhinitis. The nurse teaches the client which is the most common side effect of continuous use.

White coating in the mouth: A white coating in the mouth could be a sign of a fungal infection such as oral thrush. Fluticasone, which is a corticosteroid, can increase the risk of developing fungal infections. Therefore, the nurse should instruct the client to report any signs of oral thrush or other unusual changes in the mouth, such as white patches or discomfort, to the provider.
Prompt identification and treatment of oral thrush are necessary to prevent its progression and ensure effective management of the client's condition.
Dry oral mucous membranes: Dry oral mucous membranes are not typically associated with fluticasone/salmeterol use. However, if the client experiences persistent or severe dryness in the mouth or any other unusual oral symptoms, it should be reported to the provider. Dry mouth can sometimes occur as a side effect of medications or indicate other underlying issues that need to be addressed.
Sedation: Sedation is not a common side effect of fluticasone/salmeterol. If the client experiences excessive drowsiness or sedation that interferes with their daily activities, it may be important to report this to the provider. While sedation is not a typical adverse effect of this medication, individual responses can vary, and it is essential to ensure appropriate monitoring and management.
Increased appetite is not typically associated with fluticasone/salmeterol use. It is not a commonly reported adverse effect of the medication. However, if the client experiences significant and unexplained changes in appetite that are concerning or persistent, it may be worth mentioning to the provider during a follow-up appointment or as part of ongoing monitoring.

Acetylcysteine has a strong and distinct odor, often described as a sulfur-like smell. It is important for the adolescent to be aware of this characteristic odor so that they do not become alarmed or concerned when they encounter it.

The other options mentioned are incorrect:
A. It is necessary to monitor your serum electrolyte levels: Monitoring serum electrolyte levels is not typically required with oral acetylcysteine therapy. However, it is important to follow the healthcare provider's instructions regarding monitoring and follow-up appointments.

B. "You should avoid eating eggs": There is no specific dietary restriction or need to avoid eating eggs while taking oral acetylcysteine. However, it is always advisable to follow a balanced and healthy diet.

C. "Your mouth will become dry!": Dry mouth is not a common side effect of oral acetylcysteine. Side effects may vary from person to person, but dry mouth is not typically associated with this medication.