I am sure the bag will be allowed on medical.grounds , but you can always check their website to make sure.
If its medical you need to survive with that!! He'll be fine I'm a type 1 diabetic since 4yrs. Went through with needles, meds, and a blood tester wasn't an issue good luck
My wife broght a small bag in with her I no for shore you and him will be just fine...i would call or go on there web page and check just in case things change every day
I think no bags are allowed regardless. You may wish to call the td Garden just to be save
When I was there no normal backpack sized was allowed. Keep it as small as you can and if it is medical it can be checked and approved.
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