Are Generics as Good as Original Medications? A pharmacist’s perspective from Tyrone Pharmacy
- Kelly Robinson

- Apr 15
- 2 min read
When you’re handed your prescription and asked, “Would you like the generic?”, it can feel like a small decision — but it often raises an important question...
Am I getting the same quality if I choose the generic?
At Tyrone Pharmacy, this is one of the most important conversations we have with our patients every day.
A generic medicine contains the same active ingredient as the original (brand-name) medication.
That means it is designed to treat the same condition, work in the same way in your body and deliver the same clinical benefit. A generic medication not only has to work in exactly the same way as the original medication it also has to meet strict regulatory standards to ensure it is just as safe and effective as the original.
Do they really work in the same?
The answer is complicated, but in most cases the answer is yes, absolutely. They must prove bioequivalence, meaning they are absorbed at a similar rate and they reach similar levels in your bloodstream - so for 99% of medications the generic works just as well as the original drug and treats the condition that you need treated.
While generics are appropriate in most situations, there are important exceptions where we may advise caution. Some medicines require very precise dosing, where even small changes can matter - we call these medicines "Narrow therapeutic index medicines". Examples that may require you to stay on the originally prescribed are a blood thinners, certain epilepsy medications or lithium. In these cases it is more important that consistency is maintained, as changing could lead to a loss of symptom control or a change in how your body processes the medication. We would also exercise caution if a patient has a sensitivity to certain ingredients (binders, fillers , dyes or preservatives). Another consideration would be if a medication uses a prolonged drug delivery system - like a long acting medication. Some generics are unable to mimic these extended or modified release system and this may impair how the drug works in your body.
Generics are largely a positive as they are significantly cheaper and more widely available. They cost less because the costly research and clinical trials that went into the original drug has been recovered by the original drug manufacturer under their patent, and increased competition lowers prices.
This is why the relationship with your pharmacist matters - our role as pharmacists goes far beyond dispensing - we help you select the right choice for your individual needs by:
Reviewing your prescription and medical history
Identifying when substitution is appropriate
Ensuring consistency for sensitive medications and sensitive patients
Answering your questions clearly and honestly
You’re never expected to make this decision alone, and why personalised care matters.
Choosing between a generic and an original medication isn’t about “cheaper vs better.”
It’s about:
Clinical equivalence
Your individual response
Professional guidance
If you’re ever unsure, simply ask your Tyrone Pharmacy Pharmacist.
We’re here to guide you every step of the way.



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