Symptoms make take days to show up. [3] X Research source
Food allergies cause the body to release histamine, which in turn can cause hives.
Blood in the stool may also indicate a milk allergy.
Keep in mind that your baby having issues with formula could be due to something else besides an allergy or intolerance, such as not mixing up the formula in the right ratio. Feeding the baby too much or acid reflux can also cause issues.
An allergist can perform a skin or blood test to determine what allergies your baby might have.
You should only try food elimination under advice of a doctor. If you’re breastfeeding, your doctor may suggest that you start eliminating foods from your diet. Once you figure out which food is causing the allergy, avoid the food. The main course of action for a food allergy is to eliminate the food from the baby’s diet altogether. Your doctor can help you come up with alternatives for the food if it’s something common, such as formula. When eliminating foods, keep in mind that you’ll need to read labels carefully to check for the allergen.
Know the difference between an allergy and an intolerance. A food allergy affects the child’s immune system, which is what makes it more severe. A food intolerance, on the other hand, only affects your baby’s digestive system. Food allergies are not as common as food intolerances.
Anaphylaxis is characterized by severe allergic reaction symptoms, including trouble breathing, loss of consciousness, swelling of the tongue, vomiting, and becoming pale or limp. [30] X Trustworthy Source Cleveland Clinic Educational website from one of the world’s leading hospitals Go to source Even if you use an epi pen, you still need to call emergency services if your child goes into anaphylaxis.
