Professional and Linguistic Assessments Board (PLAB) Practice Exam

What side effect should patients be cautioned about when starting treatment with Betahistine?

1. Weight gain

2. Fatigue

3. Gastrointestinal discomfort

4. Blurred vision

The correct answer is: Gastrointestinal discomfort

When starting treatment with Betahistine, it is important to caution patients about gastrointestinal discomfort, as this is a common side effect associated with the medication. Betahistine is primarily used to manage conditions related to vestibular disorders, such as Meniere's disease, and works by improving blood flow to the inner ear. However, as the body adjusts to the medication, gastrointestinal disturbances may occur, including symptoms like nausea, stomach pain, or indigestion. Patients should be informed that these effects might be mild to moderate and could diminish over time as their body adapts to the treatment. This awareness helps manage expectations and encourages patients to continue their treatment while monitoring any new or worsening symptoms. Other potential side effects, such as weight gain, fatigue, or blurred vision, are less commonly associated with Betahistine and do not warrant the same level of caution when initiating therapy. It is essential for healthcare providers to highlight gastrointestinal discomfort, as it is more relevant to the user experience for those starting on this medication.