once weekly

• weeklyEvery seven days
• schedulePlan of timed events
• routineRegular sequence of actions
• doseQuantity of medicine
• pillSolid medicine dose

prescription · appointment · Sunday · habit · calendar · reminder · interval · recurring · ritual · medication · check-in · frequency · regular · seven · days · periodic · consistent · injection

• dosing instructionsdaily, twice daily, three times daily, once daily, every 4 hours
• frequencyfrequency, hertz, Hz, kilohertz, megahertz