Compare Belsomra vs. Hetlioz

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

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Belsomra (suvorexant)

Prescription only

Hetlioz (tasimelteon)

Prescription only
Helps you sleep.

Belsomra (suvorexant) helps you fall asleep, but is only avaliable as a brand name so can be expensive.

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.

Upsides
  • May be helpful if other sleep aids don't work.
  • Works quickly, especially on an empty stomach.
  • Might be a good option for the elderly.
  • 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
  • Not usually used for long-term treatment since it can be habit-forming.
  • Belsomra (suvorexant) is likely expensive since it's only available as a brand name, but coupon savings program could be available.
  • Not recommended if you do not plan to sleep for at least 7 hours.
  • Belsomra (suvorexant) may cause sleep paralysis.
  • 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.
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Used for
  • Non-24 hour sleep-wake cycle
Dosage forms
  • Pill
  • Pill
Price
Lowest price
$7226.81
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Reviews
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Side effects
8possible side effects
  • Headache
    7%
  • Sleepiness
    7%
  • Dizziness
    3%
  • Diarrhea
    2%
  • Dry mouth
    2%
  • Cold and flu
    2%
  • Abnormal dreams
    2%
  • Cough
    2%
See more detailed side effects
5possible side effects
  • Headache
    17%
  • Abnormal liver tests
    10%
  • Nightmares or abnormal dreams
    10%
  • Common cold or flu
    7%
  • Urinary tract infection
    7%
See more detailed side effects
Risks and risk factors
  • Changes in thoughts
    • Uncontrolled psychiatric conditions
    • Alcohol
    • Other medicines that make you sleepy or dizzy
  • Hangover effect
    • Alcohol
    • Taking other medicines that make you less alert
    • Less than 7 hours of sleep after taking Belsomra (suvorexant)
  • Dependence and withdrawal
    • Continuous use for 2 weeks or more
  • Depression
    • Risk increases with dose
    • Past history of depression
  • Difficulty breathing
    • Sleep apnea
    • COPD
  • Sleep paralysis
See more detailed risks and warnings