They could be, Rafael, depending on the circumstances of exposure. Mace is derived from the nutmeg plant (Mtristica fragrans); both mace and nutmeg have actually gained popularity as street drugs, due to the psychological effects that are produced from the spices' volatile oil. If eaten in large enough amounts, the oil could cause vomiting and abdominal pain, as well as central nervous system excitationusually followed by profound drowsiness several hours later.
Both paprika (Capsicum annuum) and turmeric (Curcuma longa) contain irritants (capsaicin and curcumin, respectively) that can cause irritation to the skin, gastrointestinal tract and other mucous membranes. Because of the potential for problems, we would advise keeping these and other spices out of your pets’ reach.