Compare Benadryl vs. Valium

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

Benadryl (Diphenhydramine)

Prescription or OTC

Valium (diazepam)

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 relax.

Valium (diazepam) is effective for occasional or short-term use for anxiety and muscle spasm. Compared to similar drugs, Valium (diazepam) acts very quickly but can have interactions with other medicines.

5.2/ 7 average rating with 976 reviewsforValium
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.
  • Valium (diazepam) effectively relieves anxiety and muscle spasms.
  • Valium (diazepam) has less severe withdrawal symptoms compared to other similar drugs.
  • Works very quickly.
  • 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.
  • Use of Valium (diazepam) can cause memory problems, drowsiness, dizziness, and confusion.
  • Valium (diazepam) can be habit-forming, so it's not typically used for long-term treatment.
  • Most people find that their body will get used to Valium (diazepam) levels and they may need higher doses over time to achieve the same effect.
  • People with severe liver problems should not take Valium (diazepam). Several drugs can also interfere with how Valium (diazepam) works.
Used for
Dosage forms
  • Pill
  • Oral solution
  • Cream, gel, or ointment
  • Pill
  • Liquid
Price
No pricing information available
Lowest price near you
$6.58
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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
976 
70%
think this treatment is worth it
53%
think this treatment works well
15%
think this treatment is a hassle

Have you used Valium (diazepam)?

Leave a review
Side effects
The Benadryl (Diphenhydramine) FDA package insert doesn’t have numbers about how common side effects are.
The Valium (diazepam) 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
  • Decreased breathing from use with opioids

    Taking Valium (diazepam) with opioids, drugs or alcohol

    ...and 1 more risk factors

  • Dependence and withdrawal

    History of substance abuse

    ...and 4 more risk factors

  • Driving impairment

    Alcohol use with Valium (diazepam)

    ...and 1 more risk factors

  • Drug interactions

    Current liver problems

    ...and 1 more risk factors

See more detailed risks and warnings