Is guttate psoriasis worse than regular psoriasis?

See below: Not necessarily. "guttate" is just a fancy word for small spots and refers to psoriasis which takes this form rather than the more usual "plaque" configuration.

See below: While it is true that guttate refers to a particular appearance of the psoriasis lesions, the cause is also different. Plaque psoriasis is a chronic condition with an unclear cause. Guttate psoriasis usually occurs after an upper respiratory infection. While it is usually self limited, it can be very difficult to treat until it runs its course.

Guttate psoriasis: Guttate psoriasis is a sometimes fast spreading psoriasis which involves small lesions with a very fine scale. This can be associated with a strep throat which should be completed treatment to allow the treatment for psoriasis to work.