Unless you have a genetic condition that leads to iron overload, it is unlikely that you are getting too much iron. Iron absorption is tightly controlled by the intestines; you absorb only as much iron as you need. The upper limit for iron is 45 mg a day. Most people know about iron in red meat but few realize that breakfast cereals and baked goods made with "enriched" wheat flour supply a large amount of iron. Don't take a multivitamin that contains iron if your iron intake is already high. (Many multivitamins for "seniors" don't have iron.) An excess of iron supplements may produce side-effects like constipation, nausea and dark-colored
The side effects of allergy medications keep some people from using them. Natural remedies can be a great alternative, but some are more effective than others.