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Home > Community Treatment Reports > Diphenhydramine Treatment Report
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.

Side Effects

Side effects as an overall problem

Severe
2 4%
Moderate
6 13%
Mild
18 38%
None
22 46%

Most commonly reported side effects

Brain fog
9 38%
Drowsiness
9 38%
Sleepiness
6 25%
Restless Legs Syndrome (RLS)
2 8%
Occasional constipation
1 4%
Poor quality sleep
1 4%
  • Mild
  • Moderate
  • Severe

Dosages

Top 10 dosages based on patients currently taking Diphenhydramine. See all 32 dosages ►

  0.1other as needed 1%-0.1% as needed 12.5mg/5mL as needed 2 25mg as needed 2 50mg as needed 25 mg as needed 25mg as needed 2other as needed 4 25mg/5mL as needed 4 25mg as needed 50 mg all the time (24/7) 50 mg as needed 50mg as needed 50mg/mL as needed as needed daily mg as needed 50 mg monthly 12.5 mg/5 mL weekly 2 mg daily 25 mg weekly 50 mg every other week 50 mg weekly 75 mg weekly 12.5 mg/5 mL daily 25 mg daily 50 mg daily 50 mg one time 75 mg daily 100 mg daily 125 mg daily 150 mg daily
  1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 12 Number of Patients: 12 2 Number of Patients: 2 1 Number of Patients: 1 38 Number of Patients: 38 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 18 Number of Patients: 18 2 Number of Patients: 2 3 Number of Patients: 3 9 Number of Patients: 9 4 Number of Patients: 4 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 36 Number of Patients: 36 44 Number of Patients: 44 1 Number of Patients: 1 7 Number of Patients: 7 13 Number of Patients: 13 1 Number of Patients: 1 3 Number of Patients: 3  

Stop Reasons

Why Patients Stopped Taking Diphenhydramine (multiple reasons could be selected)
Reason # Patients Percentage of patients
Other
26 50% Other: 50%
Course of treatment ended
9 17% Course of treatment ended: 17%
Did not seem to work
8 15% Did not seem to work: 15%
Doctor's advice
8 15% Doctor's advice: 15%
Side effects too severe
4 8% Side effects too severe: 8%
Personal research
2 4% Personal research: 4%
Not indicated
2 4% Not indicated: 4%
Expense
1 2% Expense: 2%

See all 48 patients who’ve stopped taking Diphenhydramine

Duration See details about how long patients take this treatment ▼

Currently Taking Diphenhydramine

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Stopped Taking Diphenhydramine

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Adherence, Burden & Cost See details from patient evaluations ▼

Adherence

Taking treatment as prescribed

Always
24 50%
Usually
17 35%
Sometimes
6 13%
Never
1 2%

Burden

Difficulty being on treatment

Very
1 2%
Somewhat
3 6%
A little
8 17%
Not at all
36 75%

Cost

Paid out of pocket

$200+
0 0%
$100-199
0 0%
$50-99
0 0%
$25-49
1 2%
< $25
32 67%

See more information, including instructions, precautions, side effects, and interactions.

Report created on March 21, 2010.