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What is Amantadine?

Category: Prescription Drugs

Most popular types: Symmetrel PK Merz Mantidan Show all

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See also: Amantadine-amitriptyline-baclofen-clonidine-lidocaine-nifedipine-prilocaine

Amantadine is 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. It is also an antiviral medication that may be used to treat and prevent certain strains of influenza A.

See patients taking Amantadine

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Parkinson's disease 974 612
Fatigue 587 313
Excessive daytime sleepiness (somnolence) 85 59
Jerky movements 45 29
Stiffness/spasticity 37 11
Tremor(s) 36 35

Show all 110 reasons taken

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell
See all 1973 patients that have taken Amantadine

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 94
Moderate 132
Mild 201
None 584

Commonly reported side effects and conditions associated with Amantadine

Side effect Patients Percentage
Dry mouth 22
Constipation 17
Fatigue 16
Blotchy skin on my legs 12
Blurry vision 12
Nausea 11

Show all 158 reported side effects

Dosages

Based on patients currently taking Amantadine

Dosage Patients Percentage
100 mg twice daily 36
100 mg daily 32
200 mg daily 24
100 mg three times daily 20
300 mg daily 6
200 mg twice daily 4
100 mg four times daily 3
400 mg daily 3
1 tablet(s) daily 1
2.5 mg twice daily 1

See all 15 dosages

Why patients stopped taking Amantadine

Multiple reasons could be selected

Reason Patients Percentage
Did not seem to work 284
Side effects too severe 179
Doctor's advice 138
Other 64
Course of treatment ended 21
Personal research 16
Expense 14
Change in health plan coverage 2
See all 572 patients who've stopped taking Amantadine

Duration

Currently taking Amantadine

Duration Patients Percentage
1 - 6 months 3
6 months - 1 year 5
1 - 2 years 15
2 - 5 years 40
5 - 10 years 41
10 years or more 32

Stopped taking Amantadine

Duration Patients Percentage
Less than 1 month 98
1 - 6 months 173
6 months - 1 year 91
1 - 2 years 69
2 - 5 years 92
5 - 10 years 41
10 years or more 12
Adherence
Adherence Evaluations Percentage
Always 770
Usually 139
Sometimes 35
Never taken as prescribed 67
Burden
Burden Evaluations Percentage
Very hard to take 31
Somewhat hard to take 50
A little hard to take 135
Not at all hard to take 795
Cost per month
Cost per month Evaluations Percentage
$200+ 10
$100-199 33
$50-99 25
$25-49 66
< $25 508
Not specified 369

What people switch to and from

Patients started taking Amantadine after stopping:

Treatment Patients Percentage
Carbidopa-Levodopa (Sinemet) 12
Pramipexole (Mirapex) 7
Ropinirole (Requip) 6
Rasagiline (Azilect) 5
Selegiline (Zelapar) 4

Show all 16 treatments patients report switching from

Patients stopped taking Amantadine and switched to:

Treatment Patients Percentage
Carbidopa-Levodopa (Sinemet) 17
Modafinil (Provigil) 9
Pramipexole (Mirapex) 5
Rasagiline (Azilect) 5
Ropinirole (Requip) 5

Show all 23 treatments patients report switching to

Last updated:

112 patient evaluations for Amantadine

Sort by: Most recent

Dec 27, 2019 (Started May 15, 2017)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    Moderate (tremor(s), paroxysmal dyskinesia)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

May 15, 2017 (Started May 15, 2017)

  • Effectiveness
    Can't tell (for Parkinson's disease)
  • Side effects
    Severe
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Twice daily
Advice & Tips: I had mis read the doctors instructions. I was supposed to start with one tablet every morning and after two weeks if there was no improvement go to one tablet in the morning and one tablet in the evening. I stsrted with one tblet in the morning and one in the evening. It was too much. In a week I am going to try again with the correct dosage
Cost: < $25 monthly
  • 1 helpful mark

Jun 27, 2018 (Started Jan 19, 2012)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Effectiveness
    Moderate (for tremor in hands)
  • Effectiveness
    Major (for tremor in right wrist and hand during walking arm swing)
  • Side effects
    Mild (muscle and joint pain, nausea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 200 mg Daily
Advice & Tips: I had to stop working at Lowe's because my symptoms go worse. The neurologist change my dosage to 200 mg twice day and it's working well so I went to work doing private care for a friend who has MS. Things are definitely working out
Cost: $25-49 monthly

Dec 30, 2016 (Started Jan 19, 2012)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Effectiveness
    Moderate (for tremor in hands)
  • Effectiveness
    Major (for tremor in right wrist and hand during walking arm swing)
  • Side effects
    Mild (muscle and joint pain, nausea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 200 mg Daily
Advice & Tips: Now that I have found the right cocktail I've been able to return to work full time. after being on disability for almost three years . so far it's been two months since I went back and I'm going strong . Don't get me wrong there are days when I'm exhausted from the nine hour day but it's a good kind of exhausted .
Cost: $100-199 monthly

Apr 16, 2014 (Started Jan 19, 2012)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    Mild (muscle and joint pain, nausea)
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: 200 mg Daily
Cost: $100-199 monthly

Mar 11, 2012 (Started Jan 19, 2012)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    Mild (muscle and joint pain, nausea)
  • Adherence
    Always
  • Burden
    Somewhat hard to take
Dosage: 200 mg Daily
Cost: < $25 monthly

Jan 8, 2012 (Started Jan 19, 2012)

  • Effectiveness
    Major (for Parkinson's disease)
  • Effectiveness
    Moderate (for tremor in hands)
  • Effectiveness
    Major (for tremor in right wrist and hand during walking arm swing)
  • Side effects
    Mild
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: It took me several trips to the Neurologist before we found the right drug cocktail. Now that I have found the right cocktail I've been able to return to work full time. after being on disability for almost three years . so far it's been two months since I went back and I'm going strong .  Don't get me wrong there are days when I'm exhausted from the nine hour day but it's a good kind of exhausted .  
Cost: $25-49 monthly
  • 0 helpful marks

Jun 6, 2018 (Started Feb 11, 2012)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Twice daily
Advice & Tips: Amantadine helps with dyskinesia. Also, I notice if I take it before I get out of bed, I feel a bit restless and need to get up.
Cost: < $25 monthly

Mar 6, 2017 (Started Feb 11, 2012)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Twice daily
Advice & Tips: no new info to report
Cost: < $25 monthly

Sep 23, 2016 (Started Feb 11, 2012)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: No change.
Cost: < $25 monthly

Feb 1, 2015 (Started Feb 11, 2012)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: I still take this. No changes
Cost: < $25 monthly

Oct 1, 2011 (Started Feb 11, 2012)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: This did not seem to decrease the dyskiinesia caused by l-dopa.
Cost: < $25 monthly

Aug 23, 2011 (Started Feb 11, 2012)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Advice & Tips: I was prescribed this medicine because I was experiencing dyskenisia effect from levodopa. It helps, but it is not perfect. I can still feel some movement.
Cost: < $25 monthly
  • 1 helpful mark
Last updated:
Showing 3 of 112 patient evaluations for Amantadine