**Core Concept:** Amoebiasis is an infection caused by the protozoan parasite Entamoeba histolytica. Alcohol consumption and certain medications can interact, leading to adverse effects. In this question, we are looking for an anti-amoebic drug that could cause an interaction with alcohol producing the symptoms mentioned.
**Why the Correct Answer is Right:** The correct answer, D-Metronidazole, is an anti-amoebic drug commonly used to treat protozoal infections like amoebiasis. Alcohol consumption can lead to a condition called flushing, which is a result of the inhibition of alcohol dehydrogenase (ADH) enzyme by alcohol and its combination with certain medications. In the case of metronidazole, the inhibition of ADH leads to the accumulation of acetaldehyde, a toxic substance, resulting in the observed symptoms of nausea, vomiting, and dizziness.
**Why Each Wrong Option is Incorrect:**
A. Paromomycin (Option A) is an amoebicidal drug used to treat amoebic infections but does not interact with alcohol.
B. Tinidazole (Option B) is also used to treat amoebiasis but does not interact with alcohol in the same way as metronidazole.
C. Miltefosine (Option C) is an antileishmanial drug and does not interact with alcohol to produce the symptoms mentioned.
**Why Each Wrong Option is Incorrect:**
A. Paromomycin (Option A) is an amoebicidal drug used to treat amoebic infections but does not interact with alcohol.
B. Tinidazole (Option B) is also used to treat amoebiasis but does not interact with alcohol in the same way as metronidazole.
C. Miltefosine (Option C) is an antileishmanial drug and does not interact with alcohol to produce the symptoms mentioned.
**Clinical Pearl:** When prescribing medications, it is crucial to consider potential drug interactions and advise patients about the risks associated with combining medications and alcohol. This is particularly important in the context of amoebiasis treatment, as some medications can lead to severe adverse effects when combined with alcohol.
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
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