The first-line recommended treatment for sporotrichosis is:

itraconazole

clindamycin

amphotericin

nystatin

The correct option is : a. itraconazole

Explanation:

Sporotrichosis is a fungal infection which is caused by the fungus sporothrix schenckii. This infection is also known as the rose-thorn disease. This is because the disease causing fungus Sporothrix schenckii is naturally present in the hay, soil, plants, etc; and therefore, can easily spread through roses.

This disease can be treated by the antifungal drugs, Amphotericin B and Itraconazole.

The first-line recommended treatment involves using the drug Itraconazole, as it is a safer alternative as compared to Amphotericin B.