Drink 6 to 8 glasses of water daily. Use anti-inflammatory preventers on a regular basis. These are slow-acting and may take hours or even weeks to work. Corticosteroids are known to be the most effective preventers but they must be used on a regular basis and do not have immediate effects. This means that these preventers have no value in an emergency.
Emergency Aid Have the victim stop all activity.
Keep the victim in an upright position. Sit them with legs crossed and elbows on the knees. This will help relax the shoulders and may help the breathing. Do not lay the victim on his or her back. Talk to the victim in a reassuring and calm manner.