Throat swelling (which may also cause breathing difficulty)
Eyes, ears, nose, and throat
Severe pain in the throat
Severe pain or burning in the nose, eyes, ears, lips, or tongue
Vision loss
Heart and blood
Low blood pressure -- develops rapidly
Collapse
Severe change in blood acid level
Skin
Burns
Hives
Holes in the skin or underlying tissue
Skin irritation
Stomach and intestines
Blood in the stool
Burns of the esophagus (food pipe) and stomach
Diarrhea
Severe abdominal pain
Vomiting (possibly bloody)
Reviewed last on: 9/29/2009
Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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