A slow loris also known as Nycticebus spp. is a small nocturnal primate found mainly in Asia. The adult slow loris weight between 265 to 1150 grams depending on the type of species. They have a characteristic round head with large forward-facing eyes. Slow lorises are also known for its poisonous bite and are the only venomous primates. To date, there were two published cases of slow loris bite on human. This case report illustrates a case of anaphylactic shock following a bite of a wild Kayan slow loris (Nycticebus kayan) on human at Mulu District situated at a remote area of Sarawak, Malaysian Borneo. The patient developed dyspnoea, feeling of suffocation, swollen lips, cramp like sensation over both hands and subsequently developed syncope and hypotension after the bite. Patient was clinically stable following the administration of the intramuscular injection of the adrenaline 0.5 mg stat dose.