Understand made-to-order medicines and their rules
Compounding replaces a ready-made medicine with one prepared by a pharmacist or doctor for a patient's needs.
For a patient allergic to a dye, the needed change might be leaving that dye out of the medicine.
In the US, medicine review belongs to the Food and Drug Administration (FDA).
Compounded medicine has not received FDA approval, as of September 2026.
Before it is marketed, the agency does not review whether it works, is safe or has been made well.
The reason for a copy matters
A prescriber is a health professional who gives the order for a medicine.
A prescription for an individual patient can be filled with medicine prepared by a pharmacy for that person.
As of September 2026, federal law limits regular or large-scale compounding of copies of medicines already on the market.
When a pharmacy fills an individual patient's prescription, a change may be allowed if the prescriber identifies a difference that matters for that person.
Paying less, by itself, is not a reason that qualifies for this exception.
Ask how the proposed change meets your medical needs, such as avoiding a dye you are allergic to. Ask where the prescriber recorded that reason.
Nevada has addressed weight-medicine copies
As of September 2026, Nevada's pharmacy board had told pharmacies to stop medicine copies made because of national shortages.
The notice covered semaglutide (Ozempic, Wegovy) and tirzepatide (Mounjaro, Zepbound) shots.
The FDA had declared those shortages over.
The Nevada notice does not stop all medicines made for a patient's needs.
It points to federal rules that allow some changed medicines when a prescriber finds an important difference for a named patient.
A medicine's presence on the FDA's national shortage list could permit otherwise restricted copies, as of September 2026.
One local pharmacy being out of stock is not enough to use that rule.
Ask the prescriber and pharmacy which rule allows the exact shot offered to you, and why.
Keep the medicine and pharmacy linked
When made-to-order medicine is bought online, the buyer may not know its actual maker, the FDA notes.
Ask who made the medicine and where it was made. Get that name and the dispensing pharmacy's name in writing, then check the pharmacy's Nevada licence.
Ask who can explain the label and answer a question about storage.
Keep the written plan. It helps you compare the proposed product, the reason for it and the cost.
Use Nevada's licence routes