The physical symptoms of an egg intolerance are the same as those to any other food intolerance. An egg intolerance can manifest as skin problems, asthma like symptoms, hives, flatulence, bloating, abdominal cramping, sudden change in the frequency, texture and color of feces, severe headaches, hot flash sensations and tiredness not attributable to another cause.
The symptoms of an intolerance can vary from person to person and from exposure to exposure. The symptoms will most likely vary depending on the quantity and frequency of the offending food that has been consumed, and the time of onset can be within minutes or at anytime that the offending food is traveling through the gut as it is processed by digestion. After excretion symptoms to begin to abate. If there is continual intake of the food, symptoms will most likely continue.
Other possible symptoms of any food intolerance can be the same symptoms as so many other maladies and consequently, a food intolerance, including egg intolerance specifically can go undiagnosed or misdiagnosed as something else for years and years. Blood tests are available to rule out or rule in whether there is indeed an egg intolerance. An elimination diet can also be helpful in diagnosing an egg intolerance.
It is also important to mention that with egg intolerance, one could be intolerant to just the egg yolk, just the egg white or both the yolk and the whites.