Some Sleep Drugs Can Impair Driving

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January 13, 2013

Many people take sleep aids  to help treat their insomnia. The Food and Drug Administration reminds consumers that some insomnia medication could inhibit their ability to drive safely.

The FDA has informed manufacturers that the recommended dose for medications containing zolpidem should be lowered. Zolpidem is a sedative-hypnotic medication and a common ingredient in many common sleep medications.

The FDA is particularly concerned about extended-release forms of zolpidem because they stay in the body longer. New data shows that people taking these medications have drug levels that are high enough to impair driving. Women are especially vulnerable to these effects because zolpidem is cleared from their bodies slower than in men.

These medications are sold as a generic drug under the brand name Ambien CR. The FDA also found that some medications containing the immediate-release form of zolpidem can impair driving. They are marketed as generic drugs under the following brand name:

  • Ambien (oral tablet)
  • Edluar (tablet placed under the tongue)
  • Zolpimist (oral spray)

Although drowsiness is listed as a side effect along with warnings of next day drowsiness, people with high levels of zolpidem in their blood can be impaired even if they feel awake. “All insomnia drugs are potent medication, and they must be used carefully,” says Russell Katz, MD, director of the FDA’s Division of Neurology Products.

Recommended Doses

The FDA has informed manufacturers that the following changes should be made:

  • For women, dosing should be cut in half from 10 mg to 5 mg for immediate-release forms. Dosing for extended-release forms should go from 12.5 mg to 6.25 mg.
  • For men, dosing should be lowered to 5 mg for immediate-release forms. Dosing for extended-release forms should be considered to be lowered to 6.25 mg.

Most Widely Used Sleep Drug

Zolpidem is one of the most common active ingredients in prescription sleep aids. It has been on the market for nearly 20 year and about nine million patients have received it from retail pharmacies in 2011.

The FDA’s Adverse Event Reporting System has logged approximately 700 reports of zolpidem used and impaired driving ability and accidents.