Which of the following is a sign or symptom of an allergic or anaphylactic response to an antiviral drug?

Which of the following is a sign or symptom of an allergic or anaphylactic response to an antiviral drug?

A)Nausea
B)Insomnia
C)Intolerance to fatty foods
D)Swelling of the face or throat

Correct answer is option D) Swelling of the face or throat. Explanation: Swelling of the face or throat is a sign or symptom of an allergic or anaphylactic response to an antiviral drug.