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Brand Names: Mantidan, PK Merz, Symmetrel

What is Amantadine? Amantadine is an antiviral medication that blocks actions of viruses. It is used to treat and prevent certain strains of influenza A. It is also used to treat Parkinson's Disease and "Parkinson-like" symptoms such as stiffness and shaking that may be caused by the use of certain drugs.

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


Reasons Taken

266 patients in the community are taking or have taken Amantadine.

Reason # Patients Percentage of patients
Treat Parkinson's 176 66%
Other 20 7%
Stiffness/spasticity 15 5%
Tremors 8 3%
Fatigue 5 1%
Support another treatment 4 1%
disease-related symptoms 3 1%
Slowness 2 <1%
Don't know 2 <1%
Tremor, left hand 1 <1%
Anxiety 1 <1%
Cramps, feet 1 <1%
Dyskinesia 1 <1%
Dry mouth (xerostomia) 1 <1%
Assistive communication 1 <1%
Mobility 1 <1%
Jerky movement (dyskinesia) 1 <1%

Dosages

Based on the patients currently taking Amantadine.

Top 10 (Show all)

All (Show Top 10)

  0 mg Daily 0 Daily 100 mg As needed 1 Daily 2 mg Daily 2 Daily 3 mg Daily 4 Daily 20 mg Daily 50 mg Daily 100 mg Daily 150 mg Daily 200 mg Daily 300 mg Daily 400 mg Daily
  5 Number of Patients: 5 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 39 Number of Patients: 39 2 Number of Patients: 2 88 Number of Patients: 88 59 Number of Patients: 59 9 Number of Patients: 9  

Duration

How long current patients have been taking Amantadine or how long patients were taking Amantadine before stopping.

Currently taking Amantadine

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
6
20
13
20
32
62

Stopped taking Amantadine

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
3
9
10
9
6
10
Why Patients Stopped Taking Amantadine (multiple reasons could be selected)
Reason # Patients Percentage of patients
Side effects too severe 17 35% Side effects too severe: 35%
Did not seem to work 16 33% Did not seem to work: 33%
Doctor's advice 13 27% Doctor's advice: 27%
Other 9 18% Other: 18%
Course of treatment ended 2 4% Course of treatment ended: 4%
Not indicated 2 4% Not indicated: 4%
Expense 1 2% Expense: 2%

Patient Reported Evaluations

Results from 39 patient evaluations. See the overall results and all individual evaluations.

Efficacy (Effect based on reason taken)

Major 18% 5
Moderate 29% 8
Slight 32% 9
None 4% 1
Can't tell 18% 5

Treat Parkinson's

Side-effects (as an overall problem)

Severe 8% 3
Moderate 13% 5
Mild 15% 6
None 64% 25

Top reported side-effects include: Fatigue, general ill feeling, blotchy skin on my legs

Summary results are based on 39 individual responses. For more information, see overall results for Adherence, Burden and Cost.

Individual Patient Reported Evaluations (2 of 39)

  • dixie pixie
    Sex: F
    Mouth/throat: mild
    Arms: mild
    Chest: mild
    Legs: mild
    See profile
  • dixie pixie
  • by dixie pixie
    Jun 14, 2008
  • EfficacyMajor
  • Side-effectsNone
  • Treat Parkinson's

  • BaykayakR
    Sex: M
    Mouth/throat: none
    Arms: mild
    Chest: mild
    Legs: none
    See profile
  • BaykayakR
  • by BaykayakR
    Aug 26, 2008
  • EfficacyModerate
  • Side-effectsNone
  • Cramps, feet
Advice/Tips
This drug is inexpensive and is used for an "off lable" purpose. It's an oldie but a goodie.

See all evaluation results for Amantadine



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