Has anyone ever heard of using scopolamine for an excessive drooling problem for a five year old?

The information at http://www.specialchild.com/archives/ia-037.html below may be helpful.

"... Scopolamine (which comes in a patch that is applied to the skin behind the ear and in tablet form), is typically used to prevent nausea and vomiting associated with motion sickness. It has common side-effects which include dry mouth, drowsiness, and constipation. This drug should be used with extreme caution for those with pyloric, bladder, or intestinal obstruction, impaired metabolic, liver, or kidney functions, or a history of seizures. In addition, scopolamine should not be taken with any other medications that may affect the CNS. In some cases, symptoms such as dizziness, vomiting, nausea, headache, and disturbances of the equilibrium have been reported by some people following the discontinuation of the patch.

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Although some physicians have prescribed this medication to control drooling in children, the manufacturer strongly recommends that scopolamine not be used with children, as the safety of its use in children has not been determined and it is not known whether the patch will release an amount of scopolamine that could produce serious adverse effects.

If scopolamine is the physician’s choice of medication, it is recommended that a low dose tablet is used because it allows physicians and parents the opportunity to adjust the dose to the lowest level to best meet each patient's needs. Furthermore, scopolamine tablets are associated with fewer side-effects compared with the topical medication... "