Compare Dalmane vs. Hetlioz

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

Dalmane
(flurazepam)

Hetlioz
(tasimelteon)

Helps you fall asleep. Dalmane (flurazepam) helps you fall asleep, but its effect can carry over to the next day and be addictive.Keeps the sleep cycle normal for completely blind people who aren't able to see light. Hetlioz (tasimelteon) is the only approved medicine to help completely blind people who are unable to see light maintain regular sleep cycles. It is only available as a brand name, so it can be expensive.
Reviews & ratings
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Have you used Dalmane (flurazepam)?
Worth itNot sureNot worth it

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Have you used Hetlioz (tasimelteon)?
Worth itNot sureNot worth it
Side effects
DalmaneHetlioz

The Dalmane FDA package insert doesn’t have numbers about how common side effects are.

More about Dalmane side effects »
  • Headache 10%
  • Abnormal liver tests 5%
  • Nightmares or abnormal dreams 10%
  • Common cold or flu 7%
  • Urinary tract infection 5%
More Hetlioz side effects »
How it works
DalmaneHetlioz
Dalmane (flurazepam) is a benzodiazepine. It activates the part of your brain for resting and digesting.Hetlioz (tasimelteon) is a melatonin receptor agonist. It helps you to sleep at night and stay awake during the day.
Type of medication
DalmaneHetlioz
Prescription onlyPrescription only
Available as
DalmaneHetlioz
  • Capsule
  • Pill
Used for
DalmaneHetlioz
  • Non 24 Hour Sleep Wake Cycle
Risk factors for serious side effects
DalmaneHetlioz
  • Alcohol
  • Taking narcotics, tranquilizers or antihistamines
  • Women
  • Over age 65
Detailed Dalmane (flurazepam) risks & warnings »
    Detailed Hetlioz (tasimelteon) risks & warnings »
    Pregnancy

    Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

    Alcohol
    DalmaneHetlioz
    • Can be dangerous if combined with alcohol or narcotics.
    No alcohol related info.
    Sleep
    DalmaneHetlioz
    • People taking Dalmane (flurazepam) for sleep have reported having difficulty concentrating the next day, and have problems driving or operating machinery. Talk to your doctor if this is a problem.
    • Can make you feel sleepy and unable to concentrate the next day. This hangover effect is especially worse for women and elderly.
    • If you go to sleep at a different time, don't take Hetlioz (tasimelteon).
    Upsides and benefits
    DalmaneHetlioz
    • Dalmane (flurazepam) works 15-30 minutes after taking it.
    • Dalmane (flurazepam) is available in generic.
    • Hetlioz (tasimelteon) is not addictive.
    • Hetlioz (tasimelteon) is the only drug that's approved to help people unable to see light to have regular sleep cycles.
    • If you have to stop taking Hetlioz (tasimelteon) suddenly, you're not likely to have withdrawal.
    Downsides and risks
    DalmaneHetlioz
    • Can make you feel sleepy and unable to concentrate the next day. This hangover effect is especially worse for women and elderly.
    • Should only be used short-term because it can be addicting.
    • Can cause sleep-walking or other sleep-related activities that you may not remember doing the next day.
    • Hetlioz (tasimelteon) can take weeks to months for you to notice any effect.
    • Hetlioz (tasimelteon) is only available as a brand name so it can be expensive.
    Tips from our pharmacists for people taking the medication
    DalmaneHetlioz
    • Can be dangerous if combined with alcohol or narcotics.
    • Effect lasts long and may carry into the next morning. Take Dalmane (flurazepam) only if you expect to be in bed for full 7-8 hours.
    • Can cause rebound insomnia if you stop taking it, especially if you've been on it for a while.
    • Can cause sleep walking or doing other behaviors while asleep. Talk to your doctor right away if this happens.
    • Take Hetlioz (tasimelteon) at the same time every night.
    • Take Hetlioz (tasimelteon) on an empty stomach. Swallow capsule whole. Don't crush or chew the capsule.
    • If you go to sleep at a different time, don't take Hetlioz (tasimelteon).
    • Hetlioz (tasimelteon) might take weeks or months before you notice any effects.
    • If you smoke tobacco, Hetlioz (tasimelteon) might not work as well.
    Learn more
    More about DalmaneSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Dalmane (flurazepam)?
    Worth itNot sureNot worth it
    More about HetliozSide effectsFDA package insert
    Have you used Hetlioz (tasimelteon)?
    Worth itNot sureNot worth it