What is Amantadine?

Category: Prescription Drugs

Most popular types: Symmetrel PK Merz Mantidan Show all

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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.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Parkinson's Disease 900 532
Fatigue 575 294
Excessive daytime sleepiness (somnolence) 78 50
Jerky movements (dyskinesia) 43 25
Stiffness/Spasticity 36 10
Tremor(s) 36 35

Show all 114 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 88
Moderate 113
Mild 177
None 522

Commonly reported side effects and conditions associated with Amantadine

Side effect Patients
Dry mouth 22
Fatigue 17
Constipation 16
Blotchy skin on my legs 11
Blurry vision 11
General ill feeling 10

Show all 181 reported side effects

Dosages

Based on patients currently taking Amantadine

Dosage Patients
100 mg twice daily 59
200 mg daily 53
100 mg daily 44
100 mg three times daily 30
300 mg daily 18
200 mg twice daily 9
400 mg daily 7
300 mg three times daily 3
100 mg four times daily 2
100mg as needed 2

See all 18 dosages

Why patients stopped taking Amantadine

Multiple reasons could be selected

Reason Patients
Did not seem to work 272
Side effects too severe 170
Doctor's advice 125
Other 66
Course of treatment ended 20
Personal research 16
Expense 13
Change in health plan coverage 3
See all 546 patients who’ve stopped taking Amantadine

Duration

Currently taking Amantadine

Duration Patients
1 - 6 months 11
6 months - 1 year 23
1 - 2 years 26
2 - 5 years 56
5 - 10 years 83
10 years or more 39

Stopped taking Amantadine

Duration Patients
Less than 1 month 87
1 - 6 months 170
6 months - 1 year 90
1 - 2 years 64
2 - 5 years 91
5 - 10 years 35
10 years or more 11
Adherence
Adherence Evaluations
Always 676
Usually 127
Sometimes 33
Never taken as prescribed 64
Burden
Burden Evaluations
Very hard to take 27
Somewhat hard to take 45
A little hard to take 126
Not at all hard to take 702
Cost per month
Cost per month Evaluations
$200+ 9
$100-199 21
$50-99 21
$25-49 63
< $25 454
Not specified 332

What people switch to and from

Patients started taking Amantadine after stopping:

Treatment Patients
Carbidopa-Levodopa (Sinemet) 6
Pramipexole (Mirapex) 6
Rasagiline (Azilect) 4
Amphetamine-Dextroamphetamine (Adderall) 2
Ropinirole (Requip) 2

Show all 16 treatments patients report switching from

Patients stopped taking Amantadine and switched to:

Treatment Patients
Carbidopa-Levodopa (Sinemet) 16
Modafinil (Provigil) 7
Pramipexole (Mirapex) 5
Rasagiline (Azilect) 3
Ropinirole (Requip) 3

Show all 18 treatments patients report switching to

Last updated:

109 patient evaluations for Amantadine

625 members have decided to share their profiles only with other members of PatientsLikeMe.

PD Walker
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PD Walker
Sex: F
Data Quality: 2 stars
On
Mouth/throat: mild
Arms: mild
Chest: mild
Legs: mild
I am: g
I have:
Parkinson's

See PD Walker's full Amantadine history

Oct 22, 2016 (Started Mar 20, 2002)

  • Effectiveness
    Can’t tell (for Jerky movements (dyskinesia))
  • Effectiveness
    Can’t tell (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Never taken as prescribed
  • Burden
    Not at all hard to take
Dosage: 100 mg Four times daily
Advice & Tips: I don't have any advice, a tip might be to listen to your body
Cost: $25-49 monthly

Jan 29, 2016 (Started Mar 20, 2002)

  • Effectiveness
    Can’t tell (for Jerky movements (dyskinesia))
  • Effectiveness
    Can’t tell (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Four times daily
Advice & Tips: I have been taking Amantadine so long, I don't know what it does anymore or if it helps with Dyskinesia or not.
Cost: $50-99 monthly

Sep 19, 2008 (Started Mar 20, 2002)

  • Effectiveness
    Can’t tell (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 300 mg Daily

  • 0 helpful marks
Pirates
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Pirates
Sex: M
Data Quality: 1 star
On
Mouth/throat: mild
Arms: mild
Chest: mild
Legs: mild
I am: g
I have:
Parkinson's

See Pirates's full Amantadine history

Oct 20, 2016 (Started Jul 01, 2012)

  • Effectiveness
    Moderate (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 300 mg Daily
Cost: < $25 monthly

Jun 20, 2015 (Started Jul 01, 2012)

  • Effectiveness
    Moderate (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 300 mg Daily
Advice & Tips: I was curling my toes tightly causing pain and discomfort. This drug has halted that problem.
Cost: < $25 monthly

  • 0 helpful marks
Magzmom
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Magzmom
Sex: F
Data Quality: 1 star
On
Mouth/throat: mild
Arms: mild
Chest: mild
Legs: mild
I am: n
I have:
Parkinson's

See Magzmom's full Amantadine history

Sep 28, 2016 (Started Apr 16, 2009)

  • Effectiveness
    Moderate (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 109 patient evaluations for Amantadine