Can my 6 1/2 month old have psoriasis? Or when do children show signs?

Psoriasis. The early symptoms of psoriasis can show up in a person in any age, from the infant years to the senior citizen years. But there are certain periods in a person’s life when it’s more common to see the first signs of psoriasis: between 15 and 30 years of age and between 50 and 60 years of age. About 75% of people with psoriasis get their first psoriasis symptom before they become 40 years old.
Yes. Both psoriasis and eczema can occur at any age. If you or the father had psoriasis, or parents, grandparents, aunts or uncles. The chances really increase. Psoriasis is quite common. 8% percent of the population has it, from trivially mild to swvere!