Add / Subtract number of day(s): Choose either to add or subtract.
Number of day(s): Enter the number of days needed in the calculation.
From date: Enter the date which is usually the last dispensed date of a medication.
The Add & Subtract Days Calculator is used for the addition or subtraction of a number of days to a nominated date. This calculator could be particularly useful for estimating the due date of a listed medication on the on The Pharmaceutical Benefits Scheme (PBS) Safety Net Rule. A typical interval would be 20 days.
Please refer to the list of medications on The Pharmaceutical Benefits Scheme (PBS) Safety Net Rule for more up-to-date details.
Other interval calculators:
Interval Calculator
Simple Interval Calculator
Add & Subtract Days Calculator
1. Australian Government (Department of Health and Aged Care) - Scheduling Basics
https://www.tga.gov.au/how-we-regulate/ingredients-and-scheduling-medicines-and-chemicals/poisons-standard-and-scheduling-medicines-and-chemicals/scheduling/scheduling-basics
2. Australian Government (Department of Health and Aged Care) - The Poisons Standard (the SUSMP)
https://www.tga.gov.au/how-we-regulate/ingredients-and-scheduling-medicines-and-chemicals/poisons-standard-and-scheduling-medicines-and-chemicals/poisons-standard-susmp-0
3. Australian Government (Department of Health and Aged Care) - Contacts for State/Territory medicines & poisons regulation units
https://www.tga.gov.au/how-we-regulate/ingredients-and-scheduling-medicines-and-chemicals/poisons-standard-and-scheduling-medicines-and-chemicals/scheduling/contacts-stateterritory-medicines-poisons-regulation-units
4. NSW Government (NSW Health) - Frequently Asked Questions - Dispensing S8 or S4 prescriptions
https://www.health.nsw.gov.au/pharmaceutical/pharmacists/Pages/faq-dispense-s8-and-s4-medicines.aspx
5. The Pharmaceutical Benefits Scheme (PBS) - FAQ: What are repeat intervals for PBS prescriptions?
https://www.pbs.gov.au/info/general/faq#WhatarerepeatintervalsforPBSprescriptions
6. The Pharmaceutical Benefits Scheme (PBS) - Safety Net early supply rule
https://www.pbs.gov.au/browse/safety-net
All calculators have been designed and tested for accuracy to the best of our knowledge. However, DoseMaster Pty Ltd does not make any promises or give any warranties about its absolute accuracy, reliability, completeness or suitability for any particular purpose. It is highly recommended to re-test your calculation repeatedly before any decision is made. The information provided are for general advice only and should not be relied on as personal advice. Each individual is subject to their own health/medical conditions, please always seek professional guidance from qualified healthcare professionals. To the extent permissible by law, DoseMaster Pty Ltd will not be liable for any expenses, losses, damages (including indirect or consequential damages), costs, injury, medical error, physical and mental harm or impairment, death which might be incurred as a result of the information being inaccurate or incomplete in any way and for any reason.
Please refer to our Disclaimer Page for more information.
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