Idiopathic hypersomnia is a chronic sleep-wake disorder that causes you to feel excessively sleepy during the day, even with a full night’s sleep. Most people experience daytime sleepiness at ...

Guttate psoriasis is a form of psoriasis that often appears in the wake of strep throat and other similar infections. It's characterized by the spontaneous outbreak of small, pink, teardrop-shaped ...

Small, drop-like, salmon-pink, 1 mm to 10 mm papules with a fine scale (see Figure 1). Guttate psoriasis mainly affects the trunk and proximal extremities, but may be generalized in distribution.

You may be surprised to learn that infections are frequent triggers of psoriasis flares, especially strep infections, which are highly correlated with guttate psoriasis. Exposure to ultraviolet light ...