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Brand Names: Cloridrato de amantadina (Mantidan), PK Merz, Symmetrel
Generic Name: Amantadine

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. Read more...Click to read more below

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


Reasons Taken

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

Reason # Patients Percentage of patients
Treat Parkinson's 168 70%
Other 20 8%
Stiffness/spasticity 15 6%
Tremors 5 2%
Fatigue 4 1%
disease-related symptoms 3 1%
Support another treatment 2 <1%
Slowness 2 <1%
Jerky movement (dyskinesia) 1 <1%
Cramps, feet 1 <1%
Anxiety 1 <1%
Tremor, left hand 1 <1%
Don't know 1 <1%
Mobility 1 <1%
Dry mouth (xerostomia) 1 <1%

Dosages

Based on the patients currently taking Amantadine.

Top 10 (Show all)

All (Show Top 10)

  0 mg day 0 day 1 day 2 mg day 2 day 3 mg day 4 day 20 mg day 50 mg day 100 mg day 150 mg day 200 mg day 300 mg day 400 mg day
  5 Number of Patients: 5 2 Number of Patients: 2 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 1 Number of Patients: 1 30 Number of Patients: 30 2 Number of Patients: 2 78 Number of Patients: 78 54 Number of Patients: 54 8 Number of Patients: 8  

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
8
8
13
18
29
55

Stopped taking Amantadine

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
2
9
10
9
6
10
Why Patients Stopped Taking Amantadine (multiple reasons could be selected)
Reason # Patients Percentage of patients
Side effects too severe 16 33% Side effects too severe: 33%
Did not seem to work 16 33% Did not seem to work: 33%
Doctor's advice 13 27% Doctor's advice: 27%
Other 9 19% Other: 19%
Not indicated 2 4% Not indicated: 4%
Course of treatment ended 2 4% Course of treatment ended: 4%
Expense 1 2% Expense: 2%

Patient Reported Evaluations

Results from 30 patient evaluations. See the overall results and all individual evaluations.

Efficacy (Effect based on reason taken)

Major 20% 5
Moderate 28% 7
Slight 24% 6
None 4% 1
Can't tell 24% 6

Treat Parkinson's

Side-effects (as an overall problem)

Severe 10% 3
Moderate 10% 3
Mild 17% 5
None 63% 19

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

Summary results are based on 30 individual responses. For more information, see overall results for Adherence, Burden and Cost.

Individual Patient Reported Evaluations (2 of 30)

  • EfficacyMajor
  • Side-effectsNone
  • Treat Parkinson's

  • BaykayakR
    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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