Diabetics are being warned about counterfeit versions of test strips commonly used to monitor blood sugar levels.
The Food and Drug Administration says the strips fit various models of LifeScan's OneTouch brand of glucose monitors made by Johnson-and-Johnson.
The FDA says the fakes are a health threat in that they could give incorrect readings leading diabetics to take too much or too little insulin.
The counterfeits are sold in 50-count packages.
The bogus One Touch Basic Profiles are lot numbers 2-7-2-8-9-4-A, 2-6-1-9-9-3-2 and 2-6-0-6-3-4-0 labeled in English and French.
The fake One Touch Ultra lot number is 2-6-9-1-1-9-1 and is labeled in English, Greek and Portuguese.
LifeScan says a few dozen consumers have complained about the fakes.
The FDA says it has not, as of yet, heard of any reports of insulin injury or deaths because of the bad strips.
Consumers with questions can call LifeScan at (866) 621-4855.