My son took my dose of rtanna by mistake. he thought it was his allergy medicine. he is 8 and weighs 90/95 lbs. he took 2 tablets

Anytime : Anytime your child eats or drinks something she shouldn't have, you can call the poison control center toll-free for advice. 1-800-222-1222 this is the number even er doctors and pediatricians use for the most up-to-date advice and treatments for ingestions. If your child is having trouble breathing or is in severe distress after eating something she shouldn't have, this would be a reason to call 911 and go to the er instead. Legal disclaimer: I am providing this general and basic information as a public service and my response to this question does not constitute a doctor-patient relationship. For any additional information, advice, or specific concerns, please speak with your own physician. The information provided is current as of the date of the answer entry.

Probably nothing: Phenylephrine is a short-acting and weak decongestant and chlorpheniramine is a weak and short-acting antihistamine. Just watch him for a little bit but nothing should happen.