Which of the following STIs can lead to reactive arthritis as a complication?

Correct option is C

Chlamydia is a sexually transmitted infection (STI) that can lead to reactive arthritis as a complication. Reactive arthritis is a form of arthritis that develops in response to an infection in another part of the body, and chlamydia is a common trigger.
Explanation of each option:
· (a) Syphilis – Incorrect. Syphilis is a bacterial STI, but it is not typically associated with reactive arthritis.
· (b) Genital herpes – Incorrect. Although genital herpes is a common STI, it is not typically linked to reactive arthritis.
· (c) Chlamydia – Correct. Chlamydia is known to trigger reactive arthritis, especially in individuals with a genetic predisposition.
· (d) Both Chlamydia and Gonorrhea – Incorrect. While both are STIs, it is chlamydia, not gonorrhea, that is more commonly associated with reactive arthritis.