T HEILERIA SPPS. are the primary cause of the protozoal disease called theileriosis, which primarily affects warm-blooded species worldwide. In tropical and subtropical areas, it is among the most prevalent tick-borne illnesses that affect domestic animals, Theileria camelensis is a protozoan parasite infecting camel, its presumed vector is ixodid ticks and biting flies. The majority of the parasite forms within the erythrocytes were rod-like in shape and the prescapular lymph nodes impression smears did not contain any schizonts, Blood smears as well as molecular diagnosis. The main clinical manifestations of theileria infection in camels include fever, watery discharge from the eyes, severe malnourishment, and sporadic diarrhea. Additional symptoms and signs that have been noted include sadness abortion, fatigue, reduced production of milk, jaundice, and even mortality. In addition to these systemic symptoms, swelling of the cutaneous lymph nodes was also observed. Clinical exams and relevant laboratory testing are combined to produce a conclusive diagnosis. Clinical signs and the analysis of tissue impression samples, lymph nodes, and Giemsa-stained blood are the basis for the initial diagnosis. Tetracycline and buparvaquone are frequently used to treat theileriosis, with the latter being reserved for clinical situations.