Common triggers of anaphylaxis

A trigger is specific to the individual. The same exposure can cause different symptoms on separate occasions, so prior mild symptoms should not be used to predict the next reaction.

Food triggers can include peanuts, tree nuts, milk, egg, fish, shellfish, sesame and wheat. Medicines such as some antibiotics, pain relievers and injected treatments may also be responsible. Bee or wasp venom, latex and certain occupational exposures are other possibilities.

Sometimes a reaction depends on a cofactor, such as exercise around the time a food is eaten. In other cases, no trigger is identified despite careful assessment. Avoiding broad groups of foods or medicines without clinical advice can create unnecessary restrictions.

After a reaction, write down everything eaten, medicines and supplements taken, stings, exercise, and where the episode occurred. Keep packaging or ingredient lists when safe to do so; these details can guide a focused allergy assessment.

Read labels every time, tell restaurants and healthcare teams about confirmed allergies, and avoid sharing food or utensils when cross-contact is possible. Carry prescribed epinephrine and a written emergency plan wherever exposure could occur.

After a possible trigger, throat tightness, tongue swelling, wheezing, breathing difficulty, faintness, confusion or collapse needs immediate epinephrine and a call to UAE emergency services. Widespread hives with vomiting or breathing symptoms can also indicate anaphylaxis.

Do not spend time trying to confirm the exact trigger during an emergency. Remove an ongoing exposure only if this can be done safely, and do not delay treatment while looking for an antihistamine.

Ask which suspected exposures merit testing, whether any cofactor may have contributed, and exactly what must be avoided while the cause is assessed. Clarify whether related foods are safe rather than removing them automatically.

Request guidance on reading ingredient labels, managing restaurant meals and updating your emergency plan if a trigger is confirmed.