Question

which infection causes severe rectal itching, restlessness, and insomnia?
malaria
pinworm
giardiasis
tapeworm

Explanation:

Pinworm infections are known to cause severe rectal itching, which can lead to restlessness and insomnia. Malaria is a mosquito - borne disease with symptoms like fever and chills. Giardiasis mainly affects the digestive system with diarrhea and abdominal cramps. Tapeworm infections have symptoms related to the presence of the worm in the intestines, not typically severe rectal itching as a main symptom.

Answer:

B. Pinworm