administer

2. dispense or apply (a remedy or drug).

"paramedic crews are capable of administering drugs"
synonyms:

dispense, issue, give, provide, apply, allot, distribute, hand out, dole out, disburse

"the lifeboat crew administered first aid"

i.e When Jennifer's boss Paul fails to administer himself his ADHD meds..... he drives her CRAZY !

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