Hetlioz
(tasimelteon)
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Keeps the sleep cycle normal for completely blind people who aren't able to see light.
Skip Upsides & Downsides section. Skip to side effects section.
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Our bottom line
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.
Quick facts about Hetlioz
- Drug class: Neuro/psych
- Rx status: Prescription only
- Generic status: No lower cost generic available
Upsides
- 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.
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What to expect from Hetlioz, on one page
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Downsides
- 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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What to expect from Hetlioz, on one page
Download Fact SheetHow it works
Hetlioz (tasimelteon) is a melatonin receptor agonist. It helps you to sleep at night and stay awake during the day.
Quick facts about Hetlioz
- Drug class: Neuro/psych
- Rx status: Prescription only
- Generic status: No lower cost generic available
Used for
- Non-24 hour sleep-wake cycle
Dosage forms
- Pill
Tried Hetlioz? Write a review!
Prices and coupons
Skip prices section. Skip to what to expect section.Prices and coupons for 30 (20mg) capsules of Hetlioz near
- Medicine ShoppeGet free coupon$14794.54
- Get free discount
$14836.05
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Learn more
See more prices and coupons in your areaWhat to expect when you take Hetlioz (tasimelteon) for Non-24 hour sleep wake cycle
Skip what to expect section. Skip to side effects section.- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Effectiveness
- Starts to kick inFull effects
- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Possible side effects
- Headache
- Nightmares or abnormal dreams
Side effect rates for Hetlioz (tasimelteon)
From 84 clinical trials of Hetlioz when taken for non-24 hour sleep wake disorder
- Headache17%17%7%7%
- Abnormal liver tests10%10%5%5%
- Nightmares or abnormal dreams10%10%
- Common cold or flu7%7%
- Urinary tract infection7%7%2%2%
0%
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30%
40%
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80%
Where we got our data »
The placebo bar shows how common a side effect was for people taking a sugar pill instead of Hetlioz.
Hetlioz (tasimelteon)
Placebo
People taking Hetlioz felt side effect more
People taking Hetlioz felt side effect less
No difference
Risks and Warnings for Hetlioz (tasimelteon)
Skip risks section. Skip to common concerns section.Don't take Hetlioz (tasimelteon) unless you're planning to sleep, since it can make you sleepy and less able to concentrate.
Common concerns from people taking Hetlioz (tasimelteon)
Final section. Do you want to return to drug navigation?Sleep
- If you go to sleep at a different time, don't take Hetlioz (tasimelteon).