Salvarsan is arsenic containing drug which was first used for the treatment of _____

Options

A. syphilis
B. typhoid
C. meningitis
D. dysentry

Explanation

**Step-by-Step Solution:**

1. **Identify the Drug**: The question mentions "Salvarsan," which is known to be an arsenic-containing drug.

2. **Historical Context**: Salvarsan was first introduced in the early 20th century, specifically in 1910.

3. **Research the Use of Salvarsan**: It is essential to know what diseases Salvarsan was used to treat. Salvarsan is primarily known for its use in treating syphilis.

4. **Review the Options**: The options provided are:
- A) Syphilis
- B) Typhoid
- C) Meningitis
- D) Dysentery

5. **Select the Correct Option**: Based on historical data, Salvarsan was first used for the treatment of syphilis. Therefore, the correct answer is option A) Syphilis.

**Final Answer**: Salvarsan is an arsenic-containing drug which was first used for the treatment of **syphilis**.

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