Child with Recurrent Colds and Spontaneous Sweating: Pattern

An 11-year-old boy has had recurrent colds for six months. He sweats easily with mild activity, speaks with a low voice, and is easily fatigued. Over the last two weeks he has morning nasal congestion with clear discharge but no obvious sore throat. Tongue is pale with a thin white coat. Pulse is weak. What is the most likely pattern?