Why pills change appearance
Most generic medications are produced by multiple manufacturers, each making the same active ingredient in their own physical form. Pharmacies purchase generics through wholesale suppliers, who may have different manufacturers in stock at different times. When the manufacturer changes, the pill appearance changes, even though the medication itself is the same FDA approved generic.
Several factors drive these changes. Manufacturer supply availability. Wholesaler contracts. Backorders. Drug shortages. Pricing changes. None of these affect the active ingredient. The medication still has the same chemical name, same strength, and same FDA approval.
When it does not matter clinically
For most medications, the appearance change has no clinical significance. Blood pressure medications, statins, antidepressants, most antibiotics, most diabetes medications, and the majority of other commonly prescribed drugs are clinically equivalent across generic manufacturers. The pill looks different, the prescription works the same.
When it might matter
A small number of medications have a narrow therapeutic index, meaning small differences in absorption can affect outcomes. For these medications, consistency between manufacturers matters more.
- Levothyroxine for thyroid disease.
- Warfarin for anticoagulation.
- Some anti seizure medications (phenytoin, carbamazepine, valproate).
- Cyclosporine and tacrolimus for transplant patients.
- Digoxin.
- Lithium for bipolar disorder.
If you are on one of these medications and your manufacturer changes, ask your pharmacist about consistency. Many pharmacies can keep you on the same manufacturer at each refill if you request it.
How to confirm you have the right medication
Several quick checks before leaving the counter or before taking the first pill of a refill.
- Patient name and date of birth on the label match yours.
- Medication name and strength on the label match what your prescriber ordered.
- Directions match what you were told.
- The pharmacist or technician confirms this is the correct drug for the prescription, just from a different manufacturer.
What if you are uncertain
Do not take a pill you are uncertain about. Call your pharmacy. Read the description of the pill on the label and compare it to what is in the bottle. Pharmacy labels typically describe the appearance of each fill. If the description on the label matches what is in the bottle, the medication is correct even if it looks different from last month. If the description does not match what you see, return to the pharmacy before taking it.
Where pharmacy fits
Free pharmacist consultations any time a refill looks different and you want to confirm. We can pull the manufacturer history on your prescription, identify what you have been on, and explain what the new manufacturer is. For narrow therapeutic index medications, we can flag your account to request the same manufacturer going forward when possible. Serving Hattiesburg, the Pine Belt, Central Mississippi, and South Mississippi.
When to call a pharmacist
- Your refill looks different and you take a narrow therapeutic index medication.
- Your refill looks different and you have noticed any new side effect since the change.
- The pill description on the label does not match what is in the bottle.
- You have been switched from brand to generic and you want to confirm what the equivalent looks like.
- You take warfarin or another anticoagulant and your INR has been less stable than usual.
This article is for general information only and is not a substitute for personalized medical advice. Before starting or changing any medication, including over the counter products and supplements, talk with your pharmacist or physician about your specific situation.
References
- FDAGeneric Drug FactsConsumer information
- NIH MedlinePlusDrug InformationHealth information
