Not as a main drink before 12 months. Earlier introduction can cause intestinal bleeding and overloads the kidneys with protein and minerals. Dairy in foods (yogurt, cheese) from 6 months is fine.
Milk is a common allergen. Read Milk guidance
General informational content, not medical advice. Always consult your pediatrician about introducing new foods, especially if your baby has any medical conditions or family history of allergies.
Log solids, watch for reactions, and get reminders to reintroduce new foods. Free to try.