Compare Benadryl vs. Dalmane

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

Benadryl (Diphenhydramine)

Prescription or OTC

Dalmane (flurazepam)

Prescription only
Treats allergy symptoms and helps you sleep.

Benadryl (Diphenhydramine) is great for allergies, but curl up on the couch after taking it and get ready for a nap.

5.6/ 7 average rating with 294 reviewsforBenadryl
Helps you fall asleep.

Dalmane (flurazepam) helps you fall asleep, but its effect can carry over to the next day and be addictive.

Upsides
  • Benadryl (Diphenhydramine) is often better than other antihistamines at treating allergy symptoms and hives.
  • It can provide quick relief of allergy symptoms for both kids and adults.
  • It makes you sleepy, so it'll help if your allergies are bothering you at night.
  • The effects wear off in 4 to 6 hours, so side effects don't last that long.
  • It comes as a tablet, capsule, liquid, and quick dissolving tablet.
  • Dalmane (flurazepam) works 15-30 minutes after taking it.
  • Dalmane (flurazepam) is available in generic.
Downsides
  • Benadryl (Diphenhydramine) makes you more tired than Claritin, Allegra, or Zyrtec.
  • You shouldn't drive after taking Benadryl (Diphenhydramine) until you know how it affects you.
  • Talk to a pediatrician before giving Benadryl (Diphenhydramine) to a child.
  • It can increase the risk of falls, so elderly people shouldn't use Benadryl (Diphenhydramine).
  • Don't use Benadryl (Diphenhydramine) if you are breastfeeding.
  • Can make you feel sleepy and unable to concentrate the next day. This hangover effect is especially worse for women and elderly.
  • Should only be used short-term because it can be addicting.
  • Can cause sleep-walking or other sleep-related activities that you may not remember doing the next day.
Used for
Dosage forms
  • Pill
  • Oral solution
  • Cream, gel, or ointment
  • Capsule
No pricing information available
No pricing information available
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at Kroger, Albertsons, Safeway, and other pharmacies.
Reviews
294 
86%
think this treatment is worth it
59%
think this treatment works well
8%
think this treatment is a hassle

Have you used Benadryl (Diphenhydramine)?

Leave a review
Not enough review data.Leave a review
Side effects
The Benadryl (Diphenhydramine) FDA package insert doesn’t have numbers about how common side effects are.
The Dalmane (flurazepam) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Overdose

    Using other drugs with the same ingredients

  • Increased side effects

    Age 65 years or older

  • Driving impairment

    Taking with alcohol

    ...and 1 more risk factors

  • Hyperactivity

    Children age 6 years and younger

  • Trouble urinating

    Enlarged prostate

    ...and 1 more risk factors

  • Vision changes

    Glaucoma

  • Breastfeeding

    Nursing mothers

See more detailed risks and warnings
  • Behavior changes

    Alcohol

    ...and 1 more risk factors

  • Hangover effect

    Women

    ...and 1 more risk factors

See more detailed risks and warnings