Oh am so sorry to hear about this. Hope your baby is feeling better now - hugs!
1. Give him some time - he just went through something traumatic for his tender age. He will certainly get back to his usual behaviour, so not to worry, For now, give the little boy extra TLC and let him gain back his confidence at his own pace. It will happen!
2. I think the blue-black is just due to bruising, Best to keep a close eye on it, if it subsides, great. If not, go to the dentist or doctor, and get it checked for assurance.
3. Yes, do keep checking on him at night. Things to look out for could range from him having a fever, changes in baby's colour, and check if he is doing just anything abnormal. Don't work yourself up over this, but yes advisable to check since it's so fresh.
4. Apply an ice pack to the injured area. Be careful to cover the pack with cloth to avoid cold injury (frostbite) to the skin. A bag of frozen peas should work well too.
Hope this helps and that he bounces back to his usual self soon! And do try to get some rest too, mummy!
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