Do not use silverware spoons for giving medication. They are not all the same size. A silverware teaspoon could be as small as a half teaspoon or as large as two teaspoons. Measuring spoons used for cooking are accurate, but they spill easily.
Oral syringes have some advantages for giving liquid mediations.
They are accurate. They are easy to use. A capped syringe containing a dose of medication can be taken with a child to daycare or school. There can be problems with oral syringes, however. The FDA has reports of young children choking on syringe caps.