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 844 478
Fatigue 565 287
Excessive daytime sleepiness (somnolence) 79 50
Dyskinesia 38 19
Tremor(s) 36 35
Stiffness/Spasticity 35 9

Show all 111 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 73
Moderate 109
Mild 163
None 491

Commonly reported side effects and conditions associated with Amantadine

Side effect Patients
Dry mouth 19
Constipation 15
Fatigue 13
Blotchy skin on my legs 11
Blurry vision 11
Edema (fluid retention) 10

Show all 178 reported side effects

Dosages

Based on patients currently taking Amantadine

Dosage Patients
100 mg twice daily 62
200 mg daily 46
100 mg daily 38
100 mg three times daily 27
300 mg daily 18
400 mg daily 7
200 mg twice daily 6
2 x 50 mg/5 mL daily 2
4 x 50 mg/5 mL daily 2
300 mg three times daily 2

See all 20 dosages

Why patients stopped taking Amantadine

Multiple reasons could be selected

Reason Patients
Did not seem to work 260
Side effects too severe 159
Doctor's advice 117
Other 60
Course of treatment ended 19
Personal research 15
Expense 14
Change in health plan coverage 3
See all 519 patients who’ve stopped taking Amantadine

Duration

Currently taking Amantadine

Duration Patients
1 - 6 months 10
6 months - 1 year 15
1 - 2 years 33
2 - 5 years 56
5 - 10 years 66
10 years or more 41

Stopped taking Amantadine

Duration Patients
Less than 1 month 76
1 - 6 months 165
6 months - 1 year 87
1 - 2 years 63
2 - 5 years 86
5 - 10 years 34
10 years or more 10
Adherence
Adherence Evaluations
Always 637
Usually 111
Sometimes 32
Never taken as prescribed 56
Burden
Burden Evaluations
Very hard to take 23
Somewhat hard to take 43
A little hard to take 120
Not at all hard to take 650
Cost per month
Cost per month Evaluations
$200+ 9
$100-199 16
$50-99 16
$25-49 57
< $25 428
Not specified 310

What people switch to and from

Patients started taking Amantadine after stopping:

Treatment Patients
Pramipexole (Mirapex) 6
Carbidopa-Levodopa (Sinemet) 5
Amphetamine-Dextroamphetamine (Adderall) 2
Rasagiline (Azilect) 2
Trihexyphenidyl (Artane) 2

Show all 13 treatments patients report switching from

Patients stopped taking Amantadine and switched to:

Treatment Patients
Carbidopa-Levodopa (Sinemet) 9
Modafinil (Provigil) 5
Rasagiline (Azilect) 3
Ropinirole (Requip) 3
Pramipexole (Mirapex) 2

Show all 15 treatments patients report switching to

Last updated:

107 patient evaluations for Amantadine

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

Trainman
6519 thumb
Trainman
Sex: M
Data Quality: 2 stars
On
Mouth/throat: mild
Arms: none
Chest: mild
Legs: none
I am: g
I have:
Parkinson's

See Trainman's full Amantadine history

Sep 12, 2016 (Started Oct 28, 2008)

  • Effectiveness
    Can’t tell (for Tremor(s))
  • Effectiveness
    Can’t tell (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Three times daily
Cost: < $25 monthly

Mar 4, 2015 (Started Oct 28, 2008)

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

Jan 9, 2014 (Started Oct 28, 2008)

  • Effectiveness
    Moderate (for Parkinson's Disease)
  • Effectiveness
    Moderate (for Tremor(s))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 200 mg Daily
Advice & Tips: I unfortunately don't have any perspective of what NOT taking this medication is like. You will see similar comments with other medications taken
Cost: < $25 monthly

Feb 13, 2012 (Started Oct 28, 2008)

  • Effectiveness
    Can’t tell (for Parkinson's Disease)
  • Effectiveness
    Can’t tell (for Tremor(s))
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 200 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
sweetad
5789 thumb
sweetad
Sex: F
Data Quality: 2 stars
Relapse: Severe
Sensation: Moderate
Overall: Moderate
Cognition: moderate
Vision: moderate
Speech: moderate
Swallowing: moderate
Upper limb: moderate
Walking: moderate
I am: n
I have:
MS

See sweetad's full Amantadine history

Sep 3, 2016 (Started Jun 08, 2003)

  • Effectiveness
    Major (for Fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 200 mg Daily
Cost: < $25 monthly

Sep 29, 2008 (Started Jun 08, 2003)

  • Effectiveness
    Moderate (for Fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 200 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
Les1952
36733 thumb
Les1952
Sex: M
Data Quality: 2 stars
Sensation: None
Overall: Mild
Cognition: mild
Vision: moderate
Speech: mild
Swallowing: none
Upper limb: moderate
Walking: mild
I am: vg
I have:
MS

See Les1952's full Amantadine history

Aug 26, 2016 (Started Aug 15, 1987)

  • Effectiveness
    Major (for Multiple Sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Aug 25, 2016 (Started Aug 15, 1987)

  • Effectiveness
    Major (for Multiple Sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Mar 27, 2014 (Started Aug 15, 1987)

  • Effectiveness
    Major (for Multiple Sclerosis)
  • Side effects
    Moderate (Vision loss)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 107 patient evaluations for Amantadine