Greetings,
Applying medications without knowledge is a dangerous thing to do. You should not have applied Vicks and please refrain from such practices in future. This looks like urticaria and should settle down with an antihistamine syrup. Meet a Dermatologist near you to get a prescription and understand the correct dosage to be used. Urticaria can recur at times if the trigger cannot be found. Hope it helps you.
Next Steps
Consider application of Dermocalm lotion on affected areas for symptomatic relief.