Question

Salvarsan is an arsenic containing drug that was first used for the treatment of _____.

Answer 1

Analysing the options:
Option (A):
Paul Ehrlich, a German bacteriologist, investigated arsenic-based structures to produce fewer toxic substances for the treatment of syphilis. He developed the medicine arsphenamine, known as salvarsan.
Salvarsan is an arsenic-containing drug that was first used for the treatment of syphilis.

Option (B):
The only effective treatment for typhoid is antibiotics.
Chloramphenicol, Ciprofloxacin or ofloxacin is recommended for sensitive typhoid cases.

Option (C):
Cefotaxime is a third-generation cephalosporin that is used to treat suspected or documented bacterial meningitis caused by susceptible microorganisms.

Option (D):
Flagyl or metronidazole is often used to treat dysentery. It treats both bacteria and parasites.

So, option (A) is the correct answer.