Thank you for your query
The danger signs after any trauma to the head are 1. loss of consciousness
(sometimes may occur after a intervening normal period but usually within first 3-4 hours) 2. vomiting
3. bleeding from ear, nose or mouth 4. seizures. Your child did not have any so it is unlikely for him to have an internal injury
. Even more so children have a very pliable skull bone and are less prone to internal bleeds due to the elasticity of the overlying skull. His irritability may be secondary to pain. An analgesic
for a day or two should help. Apply some warm packs at the site of injury. That too helps.
Hope that solves your query
God bless you