Wasp stung me on the arm, how do I get rid of this pain!?

Wasp Sting. Wash area w soap ; warm water. Apply ice in 10 min. Increments (10 on/10 off). Can try tylenol, (acetaminophen) Aspirin or Motrin for pain or Benadryl for swelling. Elevate affected area for swelling. Make paste of 2 parts baking soda ; 1 part water ; apply. Need tetanus shot every 10 years. Throat, airway, mouth swelling or difficulty breathing? Call 911!