Final answer:
Benzocaine topical spray can cause various side effects, including airway irritation, eye and skin irritation, and respiratory distress. Severe side effects can include skin redness with fluid-filled blisters, conjunctivitis, and corneal damage.
Step-by-step explanation:
Benzocaine topical spray can cause a variety of side effects. These can include airway irritation, eye and skin irritation, dyspnea (shortness of breath), cough, sore throat, chest tightness, wheezing, and bronchospasm. Severe side effects can include skin, eye, and mucosal pain and irritation, skin redness with fluid-filled blisters that may become infected, tearing conjunctivitis, corneal damage, and respiratory distress and damage. Less common side effects may include hair loss, dermatitis, depression, and numbness and tingling in the extremities.