1 Some babies are so sensitive to these foods that if the offending food is eaten by the mother, drinking her breast milk can cause a reaction. 2  Most children outgrow allergies to eggs, milk, wheat, and soy. 3  Peanuts, tree nuts, fish, and shellfish cause most of the allergic reactions in teens and adults.
Side effects can include skin discoloration and irritation. Long-term use, especially of stronger prescription corticosteroids, can cause thinning of the skin and disruption of normal hormone levels. Examples include: 1  Betamethasone (Dermabet, Diprolene, others). 2  Desonide (Desonate, DesOwen). 3  Hydrocortisone (Cortaid, MiCort-HC, others). 4  Mometasone (Elocon).
Allergy shots are a form of treatment called immunotherapy. Each allergy shot contains a tiny amount of the specific substance or substances that trigger your allergic reactions. These are called allergens.Allergy shots contain just enough allergens to stimulate your immune system â but not enough to cause a full-blown allergic reaction. Over time, your doctor increases the dose of allergens in each of your allergy shots. This helps get your body used to the allergens (desensitization).Your immune system builds up a tolerance to the allergens, causing your allergy symptoms to diminish over time. 1  Why it's done.llergy shots contain just enough allergens to stimulate your immune system â but not enough to cause a full-blown allergic reaction. Over time, your doctor increases the dose of allergens in each of your allergy shots.