It started last year while aleeping I noticed foam in her mouth, on close exaamination discovered her nostrils were somehow blocked, and she also sucks her tongue. But since Nigeria is. Not ą cold country, though it was dry and dusty around that time. Is there any medication for this please.

This is a global website. Medications vary throughout the world. I'm sure your pediatrician can prescribe the right medication after a proper examination and diagnosis.