A contraindication for the use of Acetaminophen (Tylenol) in a patient is:

Nasal glucocorticoids are commonly used to treat allergic rhinitis and work by reducing inflammation in the nasal passages. However, one of the potential side effects of using these medications is the drying of the nasal mucosa, which can lead to discomfort and occasional nosebleeds. It is important for clients to be aware of this side effect and to take appropriate measures to mitigate it, such as using a humidifier, staying hydrated, and gently applying a saline nasal spray if needed.

Rhinorrhea refers to a runny nose and is not a common side effect of fluticasone or other nasal glucocorticoids. Dizziness and hallucinations are also not typical side effects associated with the use of fluticasone. However, it is important to note that individual responses to medications can vary, and if a client experiences any unusual or concerning side effects while taking fluticasone, they should consult their healthcare provider for further evaluation.

Rebound congestion, also known as rhinitis medicamentosa, is a common adverse effect associated with the prolonged use of nasal decongestants. It occurs when the blood vessels in the nasal passages become dependent on the medication for constriction and lose their ability to regulate naturally. As a result, when the medication wears off, the nasal congestion worsens, leading to a cycle of continued use and worsening symptoms.

In this scenario, the patient's complaint of worsening nasal congestion despite using oxymetazoline every 2 to 4 hours for the past 5 days suggests the possibility of rebound congestion. The nurse should explain to the patient that prolonged or frequent use of nasal decongestants can lead to this effect and recommend gradually tapering off the medication use or discontinuing it altogether. The nurse may also suggest alternative non-medication strategies for managing nasal congestion, such as saline nasal sprays or steam inhalation.