Sayang, bintik merah kat lidah baby boleh jadi banyak benda, tak boleh nak guess dari sini. Kena pergi jumpa doctor atau paediatric clinic untuk check properly, especially since baby still very small. Some of us mums encountered thrush or other mouth issues, dan memang kena proper diagnosis before doing anything. Don't worry, usually it's manageable once doctor sees, tapi jangan delay lah. Go soon okay?