What is the primary treatment for macadamia nut toxicity in animals?

Inducing emesis, or vomiting, is considered an appropriate primary treatment for macadamia nut toxicity in animals. This action is most effective when it is performed shortly after the ingestion of the toxic substance, as it may help remove the nuts from the animal's system before they can be fully absorbed into the bloodstream. Macadamia nuts can lead to various symptoms, including lethargy, vomiting, and tremors, and the quicker the offending substance is expelled, the better the chances of mitigating these symptoms.

While administering activated charcoal could also be useful in reducing absorption of toxins after emesis, it is generally not the first line of treatment for macadamia nut toxicity. Oral fluid therapy can help manage dehydration or support the animal's recovery but does not directly address the toxicity itself. Surgical intervention is typically reserved for situations involving foreign objects or conditions requiring surgical correction, rather than for metabolic or toxicological concerns that result from ingesting foods such as macadamia nuts. Thus, inducing emesis remains the most effective initial step in treating macadamia nut toxicity in animals.