**Question:** Drug used for cobra bite is

A. Antibrachialis
B. Antivenom
C. Anticholinesterase
D. Antiprotozoal

**Correct Answer:** B. Antivenom

**Core Concept:**

Snake bites are a common medical emergency in regions where venomous snakes are prevalent, such as India, where cobras are common. When a person is bitten by a venomous snake, the venom can cause severe local and systemic effects, necessitating timely intervention. Antivenom is a specific antidote designed to neutralize the venom's toxic effects by binding to venom components and blocking their action on the victim's body.

**Why the Correct Answer is Right:**

Antivenom, also known as snake antivenom, is the appropriate treatment for snake bites. The correct option is B. Antivenom, which is a polyclonal or monoclonal immunoglobulin preparation that neutralizes the venom's toxins. When administered, antivenom binds to specific venom components and blocks their action on the victim's body. This counteracts the venom's effects, preventing or mitigating the severity of the poisoning.

**Why Each Wrong Option is Incorrect:**

A. Antibrachialis is a muscle in the upper arm that plays a role in elbow flexion. It is unrelated to snake bite treatment.

C. Anticholinesterase drugs, such as neostigmine, are used to treat neuroparalytic poisoning caused by substances like organophosphates and carbamates. They are not relevant to snake bite treatment.

D. Antiprotozoal drugs are used to treat infections caused by protozoa, such as malaria or leishmaniasis. They are unrelated to snake bite treatment.

**Clinical Pearl:**

In snake bite cases, it is essential to seek medical attention promptly and administer appropriate antivenom to prevent severe complications and reduce mortality. Early intervention with antivenom can significantly improve patient outcomes.