Try to avoid stress. Too much stress can trigger eczema. Of course, eczema is itchy and unpleasant and can lead to even more stress. Break the cycle by finding ways to unwind. Find a new, relaxing hobby. Devote a few days a week to getting some exercise. Find a method of getting rid of stress that works for you.
If you have to use rubber or latex gloves, put on a pair of thin cotton gloves before you put the rubber or latex gloves on. This will help avoid a reaction to the rubber or latex and will help keep your hands protected from the sweat that these gloves can cause.