What is basic first aid for a child who gets stung by a scorpion?

Follow this: Wash affected area under cold water immediately.Apply antihistamine, a corticostetoid .An analgesic.Apply a bag of ice over the ointment to reduce pain and inflammation.Take Benadryl (diphenhydramine) & a dose of any pain killer.Go to the emergency room to get evaluated for scorpion anti-venom.Watch for serious reactioms eg muscle spasms, hyperventillation racing pulse or heartbeat, disorientation, anaphylactic shock.