As you eliminate allergens from your diet one by one, your resting pulse should drop somewhat and it should be easier to discern allergic reactions. After you have worked through all the items in your normal dietary, it would be wise to retest the foods a second time, breaking your fast with one different test item each morning.

The person becomes allergic to pollen, dust, foods, animal danders, etc. We see asthma, hay fever, sinusitis, etc. Though one can then discover specific allergens and try to remove them from the environment or diet, often this case can be solved far more easily by complete withdrawal from all salt.