Generally toothache won't be subside only with medicine. Treatment will be required. Because until or unless infection is not treated, pain won't be subside. Please attach photographs of effected tooth if you can. You can give Syrup Paracip to your kid. Still have queries then please consult with doctor online or offline for better guidance and treatment options.

Give him ibugesic plus 3.5ml tds for 3 days And show to dentist

You can give your son crocin syrup according to his weight for pain relief. Do not try any home remedies. Kindly visit a pedodontist for the treatment.

Kindly visit MDS pedodontist for treatment. The reason of pain and infection is decay. Pain will not go away till the decay is removed. RCT or extraction will depend on x ray. If not treated, permanent teeth will also get infected.

after talking to his paediatrician start a pain killer syrup and antibiotic… also get the required treatment of pulpectomy / rct or extraction.. whatever necessary from a pedodontist

Don't use any home remedies. U can give him crosin syrup for pain relief.