These organisms can live for many years inside the body causing intense itching and other symptoms, including eventual blindness.

Because of the intense itching, patients usually scratch, which can lead to the formation of crusts.

Head lice causes intense itching, but does not lead to a serious medical problem.

Other known adverse effects that occasionally occur are headache, visual disturbances and intense itching.

Symptoms in animals vary from no signs to intense itching, scales on the skin, and hair loss.

This is because of the intense and unbearable itching associated with the dead subcutaneous parasites.

There were lumps and bumps all over the place, accompanied by intense itching.

Skin involvement typically consists of intense itching, swelling, and inflammation.

Redness, intense itching, and tears in both eyes may indicate allergic pink eye.