Possible Clues:

• Run around a little in mild irritation
• Having bottled up somewhat, escape minor inconvenience
• 'Sting of a bloodsucker (4,4)'
• In leg it is slightly ... itchy?
• Feel a bit peculiar in what's an irritable spot
• It¿s a minor inconvenience to get away we hear with sting
• Only tiny injury, some escape bandages?
• Get out reportedly and take the bait to chemists ­ they generally have something to take the sting out of it?
• Small portion at end of meadow has iron fence? It won't cause much bother
• Trifle could make you feel a bit ill