Wellcome in hcm.
Your child having suffering from cold
which is due to viral infection as per your symptoms.
You have to given
1. Sulfer 200. 4 globuls only one time a day and only one day.
2. Aconite 30. 4 globules given three times a day till symptom subside.
3. Ferrum phos 3x 3 tab dissolve in warm water and given interval of 25 to 30 minutes till fever come down.
Wish you a good health for your child.