Compare Belsomra vs. Unisom

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

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Belsomra (suvorexant)

Prescription only
Helps you sleep.

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

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.

3.3/ 5 average rating with 585 reviewsforUnisom
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.
  • 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
  • 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.
  • 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).
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Used for
Dosage forms
  • Pill
  • Pill
  • Chewable tablet
  • Liquid
Price
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Reviews
Not enough review data.Leave a review
585 reviews so far
58%
saidit'sworth it
32%
saiditworked well
11%
saidit'sa big hassle

Have you used Unisom Sleeptabs (Doxylamine)?

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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
The Unisom Sleeptabs (Doxylamine) FDA package insert doesn’t have numbers about how common side effects are.
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
  • Overdosage
    • Using other drugs with similar ingredients
  • Increased side effects
    • Age 65 years or older
  • Driving impairment
    • Taking with alcohol
    • Taking other medicines that make you less alert
  • Hyperactivity
    • Children age 6 years or younger
  • Trouble urinating
    • Enlarged prostate
    • History of bladder problems
  • Vision changes
    • Glaucoma
  • Breastfeeding
    • Nursing mothers
See more detailed risks and warnings