Following may be premonitary symptoms of tetanus except –
**Core Concept**
Tetanus is a neurological disorder characterized by muscle stiffness and spasms, caused by the toxin produced by **Clostridium tetani**. The premonitory symptoms of tetanus are crucial for early diagnosis and treatment. These symptoms occur before the onset of the characteristic muscle rigidity and spasms.
**Why the Correct Answer is Right**
The correct answer is related to the typical premonitory symptoms of tetanus, which include **restlessness**, **irritability**, **difficulty in swallowing**, and **muscle stiffness**. However, without the specific options provided, we can infer that the correct answer would be a symptom that does not typically precede the major symptoms of tetanus.
**Why Each Wrong Option is Incorrect**
**Option A:** Would be incorrect if it listed a common premonitory symptom like restlessness.
**Option B:** Might be wrong if it mentioned difficulty in swallowing, an early sign of tetanus.
**Option C:** Could be incorrect if it referred to a symptom that is indeed a premonitory sign of tetanus.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that tetanus symptoms can vary, but **lockjaw (trismus)** is a classic and memorable sign. Early recognition of premonitory symptoms can lead to timely intervention.
**Correct Answer:** D. Headache