Allergic Reaction Hives Baby. The immune system identifies one or more proteins in the formula milk as foreign entities or pathogens and attacks them. When mast cells sense something irritating they release the chemical histamine. Interestingly in babies and young children the most frequent trigger of hives are virusessometimes in a child who has mild virus symptoms or no symptoms at all. A baby may even develop hives in reaction to an allergen in the air like pollen.
Insect bites and stings. The most reported symptoms of severe allergic reaction in babies are hives and vomiting. Hives in babies can be triggered by many different things including medication insect bites allergic reactions and temperature changes. Allergic reactions are common in babies and may occur as a result of irritants bug bites certain foods or underlying skin conditions. Coughing wheezing and chest tightness. A baby may even develop hives in reaction to an allergen in the air like pollen.
Hives can occasionally occur without a trigger but usually happen when the immune system responds to a substance such as a food or insect venom as if it were toxic poisonous.
Some babies get hives around their mouth from drooling a new food. While hives are often the result of an allergic reaction both viral infections and bacterial infections can also cause baby hives. Coughing wheezing and chest tightness. Can be very large without being an allergy. How should I treat my babys hives. Can be very large without being an allergy.