A nurse is reinforcing teaching with a client about treatment of methicillin-resistant Staphylococcus aureus (MRSA). Which of the following information should the nurse include in the teaching?

A. A Vitamin C deficiency:

While a Vitamin C deficiency can lead to oral health issues such as bleeding gums or scurvy, it is less likely to present with bright red oral mucous membranes and white patches. Vitamin C deficiency typically manifests with other symptoms such as fatigue, weakness, and joint pain.

B. Dehydration:

Dehydration can cause dry mouth and oral discomfort, but it is less likely to present with bright red oral mucous membranes and white patches. Dehydration may also result in a dry, sticky feeling in the mouth rather than soreness with white patches.

C. Poor oral hygiene:

Poor oral hygiene can lead to various oral health problems, including gingivitis and dental caries, but it is less likely to cause bright red oral mucous membranes with white patches. Poor oral hygiene typically results in plaque accumulation, gum inflammation, and dental decay rather than the specific symptoms described.

D. A superinfection:

This is the correct option. A superinfection occurs when opportunistic microorganisms, such as fungi or resistant bacteria, proliferate and cause infection following antibiotic therapy. Penicillin, like other antibiotics, can disrupt the normal balance of microorganisms in the mouth, allowing opportunistic pathogens to flourish and lead to conditions such as oral thrush (caused by Candida albicans) or oral candidiasis. The presence of bright red oral mucous membranes with white patches suggests the possibility of a superinfection, which warrants immediate attention from the primary care provider for further evaluation and management.

A. Headaches:

Headaches are a common symptom that can occur for various reasons, including stress, tension, dehydration, or as a side effect of medications. While headaches can sometimes occur as a side effect of certain drugs, they are not specific indicators of a drug allergy. Allergic reactions to medications typically involve other symptoms such as rash, hives, itching, swelling, or respiratory symptoms.

B. Hives or shortness of breath:

Hives (urticaria) are raised, red, itchy welts on the skin that can occur as an allergic reaction to medications. They are a common manifestation of drug allergies. Shortness of breath (dyspnea) can occur as part of a severe allergic reaction known as anaphylaxis. Anaphylaxis is a life-threatening allergic reaction characterized by a rapid onset of symptoms, including difficulty breathing, swelling of the throat or tongue, rapid heart rate, and low blood pressure. Both hives and shortness of breath are significant signs of a potential drug allergy and require immediate attention.

C. Diarrhea:

Diarrhea can occur as a side effect of medications, including antibiotics. However, it is not typically a specific indicator of a drug allergy. Diarrhea is more commonly associated with gastrointestinal disturbances or as a reaction to changes in gut flora due to antibiotic use.

D. Nausea:

Nausea is a common side effect of many medications, including antibiotics. While it can be bothersome, nausea alone is not a specific indicator of a drug allergy. Allergic reactions to medications typically involve other symptoms such as rash, hives, itching, swelling, or respiratory symptoms.