My son is scheduled for dental work with sedation tomorrow & has to fast from tonight. is it safe to give benadryl (diphenhydramine) in the morning for motion sickness?

Ask your dentist: This is a question that only your treating dentist should answer. He\she knows your son's complete medical history, what he\she is prescribing for the sedation, and is responsible for your son's care and wellbeing. Call and ask.

Not our decision: If your son is being put to sleep for his treatment, the medication may interact with the general anesthetic. The doctor rendering the treatment must make this decision. Call them.

Please call Dentist: Seems like a lot of medication all at once. Please check with your dentist, who knows your child's complete medical history, and who knows what anesthetic is planned. The sedative affect of the Benadryl (diphenhydramine) added to the sedative affect of the anesthetic may be a problem. Please call your dentist, but remember "nothing by mouth" means "nothing by mouth.".

Consult doctor: I would recommend you speak to the doctor before administering or giving anything before a sedation. You do not want negative interaction so make sure you ask the doctor before doing anything like giving medications.

Yes: Make sure you tell the dentist what you did. Does your son often get motion sickness or is this just a precaution. If not needed then try to avoid it.