Be familiar with the symptoms of a severe allergic reaction.

Tell your doctor or nurse right away if you have any symptom of an allergic reaction.

If you have symptoms of a severe allergic reaction, call 911or other emergency services immediately.

But they will work to prevent or to relieve symptoms of an allergic reaction.

Symptoms of an allergic reaction can range from mild to severe.

Most symptoms of an allergic reaction go away shortly after the exposure stops.

You may need to receive other medications to prevent an symptoms of a reaction to idursulfase.

Nausea and vomiting are not symptoms of an allergic reaction.

These are often symptoms of a severe allergic reaction.

Symptoms of a severe allergic reaction can return or get worse after an epinephrine shot.