2nd August 2023

A 48 year old woman presents with a red, itchy, painful nodule on the back of her right hand.

A 48 year old woman presents with a red, itchy, painful nodule on the back of her right hand. It appeared 6 days after she returned from Mombasa, in Kenya. She started to feel a bit feverish the previous night. On examination, there is evidence of posterior cervical lymphadenopathy, and the nodule appears to be a chancre.

What is the first line treatment?

Select the SINGLE most appropriate option from the list below. Select ONE option only.