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Compare Sonata vs. Dalmane

Head-to-head comparisons of medication uses, side effects, warnings, and more.

Key takeaways

Zaleplon (Sonata) and flurazepam (formerly branded as Dalmane) are both medications used to treat insomnia, but they belong to different drug classes and have distinct characteristics. Zaleplon is a non-benzodiazepine sedative-hypnotic that helps you fall asleep quickly but doesn't help you stay asleep. In contrast, flurazepam is a benzodiazepine that helps you both fall asleep and stay asleep throughout the night. Zaleplon is typically used for short-term treatment (up to 30 days) and is available as a lower-cost generic, while flurazepam can be used for up to 28 days and is also available in generic form. Both medications can be habit-forming and may cause dependence, but flurazepam has a higher risk of side effects, especially for females and older adults. Additionally, both medications can cause unusual behaviors like sleepwalking and sleep-driving, but flurazepam has a broader range of common side effects, including headache and upset stomach.

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