Diphenhydramine

What is Diphenhydramine?

Diphenhydramine is an antihistamine. It is used to relieve irritated, itchy, watery eyes; sneezing; and runny nose caused by hay fever, allergies, or the common cold. It may also be used to prevent and treat motion sickness, or to control abnormal movements in early stage parkinsonian syndrome.

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How do members experience Diphenhydramine?

Top 5 reported purposes & perceived effectiveness

Purpose Patients Evaluations Perceived Effectiveness
Insomnia 239 100
Food allergy 221 21
Idiopathic angioedema 107 5
Chronic idiopathic hives 106 5
Anaphylaxis 68 11

Common side effects

Side effect Patients Percentage
Drowsiness 33
Sleepiness 19
Dry mouth 13
Excessive daytime sleepiness (somnolence) 9
Grogginess in morning 6
Brain fog 5

Side effect severity

Side effects as an overall problem
Severity Evaluations Percentage
Severe 16
Moderate 63
Mild 84
None 131

Member evaluations

Joshua2349

evaluated on Feb 02, 2010

  • Perceived effectiveness for sleep problems: Moderate
  • Side effects: Moderate

95407

evaluated on Feb 05, 2010

  • Perceived effectiveness for itching: Slight
  • Side effects: Mild

expastrychef

evaluated on Feb 10, 2010

  • Perceived effectiveness for insomnia: Moderate
  • Side effects: Moderate
Learn more about our community’s experience with Diphenhydramine

What are people saying about Diphenhydramine?

3,243

3K+

members have reported taking Diphenhydramine

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Getting a Good Night's Sleep with High Blood Pressure
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