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 879 504
Fatigue 572 294
Excessive daytime sleepiness (somnolence) 81 53
Jerky movements (dyskinesia) 42 22
Stiffness/Spasticity 36 10
Tremor(s) 36 35

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 80
Moderate 110
Mild 175
None 503

Commonly reported side effects and conditions associated with Amantadine

Side effect Patients
Dry mouth 21
Constipation 17
Fatigue 17
Blotchy skin on my legs 11
Blurry vision 11
Edema (fluid retention) 10

Show all 176 reported side effects

Dosages

Based on patients currently taking Amantadine

Dosage Patients
100 mg twice daily 67
200 mg daily 54
100 mg daily 38
100 mg three times daily 30
300 mg daily 20
400 mg daily 8
200 mg twice daily 7
300 mg three times daily 3
daily 3
2 x 50 mg/5 mL daily 2

See all 19 dosages

Why patients stopped taking Amantadine

Multiple reasons could be selected

Reason Patients
Did not seem to work 265
Side effects too severe 163
Doctor's advice 121
Other 63
Course of treatment ended 20
Personal research 15
Expense 13
Change in health plan coverage 3
See all 534 patients who’ve stopped taking Amantadine

Duration

Currently taking Amantadine

Duration Patients
Less than 1 month 1
1 - 6 months 13
6 months - 1 year 19
1 - 2 years 30
2 - 5 years 63
5 - 10 years 79
10 years or more 41

Stopped taking Amantadine

Duration Patients
Less than 1 month 84
1 - 6 months 168
6 months - 1 year 88
1 - 2 years 63
2 - 5 years 89
5 - 10 years 34
10 years or more 10
Adherence
Adherence Evaluations
Always 656
Usually 119
Sometimes 33
Never taken as prescribed 60
Burden
Burden Evaluations
Very hard to take 25
Somewhat hard to take 43
A little hard to take 124
Not at all hard to take 676
Cost per month
Cost per month Evaluations
$200+ 9
$100-199 19
$50-99 17
$25-49 60
< $25 442
Not specified 321

What people switch to and from

Patients started taking Amantadine after stopping:

Treatment Patients
Carbidopa-Levodopa (Sinemet) 6
Pramipexole (Mirapex) 6
Rasagiline (Azilect) 3
Amphetamine-Dextroamphetamine (Adderall) 2
Trihexyphenidyl (Artane) 2

Show all 15 treatments patients report switching from

Patients stopped taking Amantadine and switched to:

Treatment Patients
Carbidopa-Levodopa (Sinemet) 13
Modafinil (Provigil) 6
Pramipexole (Mirapex) 4
Rasagiline (Azilect) 3
Ropinirole (Requip) 3

Show all 17 treatments patients report switching to

Last updated:

108 patient evaluations for Amantadine

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

chasmengr
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chasmengr
Sex: M
Data Quality: 3 stars
Sensation: Mild
Overall: Moderate
Cognition: moderate
Vision: mild
Speech: moderate
Swallowing: moderate
Upper limb: moderate
Walking: moderate
I am: n
I have:
MS

See chasmengr's full Amantadine history

Sep 15, 2016 (Started Jan 22, 2013)

  • Effectiveness
    Slight (for Fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily

  • 0 helpful marks
LindaB
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LindaB
Sex: F
Data Quality: 2 stars
On
Mouth/throat: moderate
Arms: moderate
Chest: severe
Legs: moderate
I am: vg
I have:
Parkinson's

See LindaB's full Amantadine history

Sep 15, 2016 (Started Mar 13, 2011)

  • Effectiveness
    Can’t tell (for Parkinson's Disease)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Somewhat hard to take
Dosage: 200 mg Daily

  • 0 helpful marks
Trainman
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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
Last updated:
Showing 3 of 108 patient evaluations for Amantadine