Compare Ativan vs. Unisom

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

Ativan (lorazepam)

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.

5.1/ 7 average rating with 642 reviewsforAtivan
Treats allergy symptoms and helps you sleep.

Unisom Sleeptabs (Doxylamine) can help you get a good night's sleep, but you can have a hard time waking up if you don't give yourself enough time to sleep.

4.5/ 7 average rating with 585 reviewsforUnisom
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.
  • Works well to help you fall asleep and doesn't make you feel groggy the next morning.
  • Has fewer side effects than prescription sleep aid medications.
  • Available over the counter without a prescription.
  • Not habit-forming like other sleep aids can be.
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.
  • Shouldn't be used unless you have a full night to sleep.
  • You shouldn't drive after taking Unisom Sleeptabs (Doxylamine) until you know how it affects you.
  • Drinking alcohol while taking Unisom Sleeptabs (Doxylamine) isn't recommended.
  • It can increase the risk of falls, so elderly people shouldn't use Unisom Sleeptabs (Doxylamine).
Used for
Dosage forms
  • Pill
  • Liquid
  • Injection
  • Pill
  • Chewable tablet
  • Liquid
Price
Lowest price near you
$9.17
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Reviews
642 
71%
think this treatment is worth it
51%
think this treatment works well
15%
think this treatment is a hassle

Have you used Ativan (lorazepam)?

Leave a review
585 
58%
think this treatment is worth it
32%
think this treatment works well
11%
think this treatment is a hassle

Have you used Unisom Sleeptabs (Doxylamine)?

Leave a review
Side effects
4possible side effects
  • Sleepiness
    16%
  • Dizziness
    7%
  • Weakness
    4%
  • Unsteadiness
    3%
See more detailed side effects
The Unisom Sleeptabs (Doxylamine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Severe sedation with opioid use

    Taking with opioids

  • Tolerance and dependence

    Taking more than the prescribed dose

    ...and 2 more risk factors

  • Withdrawal

    Long-term use

  • Driving impairment

    Alcohol

    ...and 1 more risk factors

See more detailed risks and warnings
  • Overdosage

    Using other drugs with similar ingredients

  • Increased side effects

    Age 65 years or older

  • Driving impairment

    Taking with alcohol

    ...and 1 more risk factors

  • Hyperactivity

    Children age 6 years or younger

  • Trouble urinating

    Enlarged prostate

    ...and 1 more risk factors

  • Vision changes

    Glaucoma

  • Breastfeeding

    Nursing mothers

See more detailed risks and warnings