Respiratory
Breathing difficulty (from inhalation)
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
Loss of vision
Gastrointestinal
Severe abdominal pain
Vomiting
Burns of the esophagus (food pipe)
Vomiting blood
Blood in the stool
Heart and
blood vessels
Hypotension (low blood pressure) develops rapidly
Collapse
Skin
Irritation
Burn
Necrosis (holes) in the skin