Compare Ativan vs. Hetlioz

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

Ativan (lorazepam)

Prescription only

Hetlioz (tasimelteon)

Prescription only
Helps you relax.

Ativan (lorazepam) is an effective medicine for occasional or short-term anxiety. It's less likely to have drug interactions, but more likely to cause withdrawal symptoms compared to similar drugs.

3.8/ 5 average rating with 642 reviewsforAtivan
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
  • Effective at relieving short-term anxiety.
  • Can be used together with antidepressants to manage anxiety disorders. Especially helpful for anxiety symptoms while you wait for an antidepressant to kick in.
  • Less likely to have drug interactions compared to other drugs like it, so it might be a better option if you're taking multiple medications.
  • 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
  • Can cause memory problems, drowsiness, dizziness, and confusion.
  • Can be habit-forming, so it's not typically used for long-term treatment or for people who've had problems with drug or alcohol abuse.
  • Compared to other similar medicines, Ativan (lorazepam) is more likely to cause withdrawal if you take it for a long time and then suddenly stop.
  • Most people find that Ativan (lorazepam) gets less effective over time.
  • 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.
Used for
  • Non-24 hour sleep-wake cycle
Dosage forms
  • Pill
  • Liquid
  • Injection
  • Pill
Price
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Reviews
642 reviews so far
71%
saidit'sworth it
51%
saiditworked well
15%
saidit'sa big hassle

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Side effects
4possible side effects
  • Sleepiness
    16%
  • Dizziness
    7%
  • Weakness
    4%
  • Unsteadiness
    3%
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
  • Severe sedation with opioid use
    • Taking with opioids
  • Tolerance and dependence
    • Taking more than the prescribed dose
    • Taking Ativan (lorazepam) for longer than 4 weeks
    • History of drug abuse
  • Withdrawal
    • Long-term use
  • Driving impairment
    • Alcohol
    • Taking other medicines that make you less alert
  • Memory problems
See more detailed risks and warnings