What is Carbidopa-Levodopa?

Category: Prescription Drugs

Most popular types: Sinemet Carbidopa-Levodopa 25-100 Sinemet 25/100 Show all

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Levodopa is a dopamine precursor used to treat the movement disorder symptoms of Parkinson's disease. Carbidopa is often included with levodopa-containing drugs in order to boost its efficacy by slowing down the metabolism of dopamine.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Parkinson's disease 2,679 1,700
Stiffness/Spasticity 111 77
Multiple system atrophy 83 56
Restless legs syndrome 76 52
Tremor(s) 58 57
Slow movement (bradykinesia) 53 35

Show all 98 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 81
Moderate 363
Mild 569
None 805

Commonly reported side effects and conditions associated with Carbidopa-Levodopa

Side effect Patients
Jerky movements (dyskinesia) 151
Nausea 131
Drowsiness 45
Constipation 29
Headaches 24
Upset stomach 24

Show all 327 reported side effects

Dosages

Based on patients currently taking Carbidopa-Levodopa

Dosage Patients
25-100 mg three times daily 70
3 x 25 mg-100 mg daily 26
25-100 mg four times daily 24
25 mg-100 mg three times daily 23
25 mg-100 mg four times daily 18
10-100 mg three times daily 16
25-100 mg five times daily 15
2 x 25-100 mg three times daily 15
6 x 25 mg-100 mg daily 14
25 mg-100 mg daily 13

See all 179 dosages

Why patients stopped taking Carbidopa-Levodopa

Multiple reasons could be selected

Reason Patients
Doctor's advice 128
Did not seem to work 104
Side effects too severe 89
Other 70
Personal research 30
Course of treatment ended 18
Change in health plan coverage 7
Expense 5
See all 358 patients who've stopped taking Carbidopa-Levodopa

Duration

Currently taking Carbidopa-Levodopa

Duration Patients
Less than 1 month 2
1 - 6 months 21
6 months - 1 year 41
1 - 2 years 83
2 - 5 years 197
5 - 10 years 214
10 years or more 77

Stopped taking Carbidopa-Levodopa

Duration Patients
Less than 1 month 39
1 - 6 months 89
6 months - 1 year 58
1 - 2 years 59
2 - 5 years 87
5 - 10 years 38
10 years or more 5
Adherence
Adherence Evaluations
Always 1336
Usually 389
Sometimes 43
Never taken as prescribed 50
Burden
Burden Evaluations
Very hard to take 59
Somewhat hard to take 288
A little hard to take 451
Not at all hard to take 1020
Cost per month
Cost per month Evaluations
$200+ 16
$100-199 21
$50-99 68
$25-49 162
< $25 1018
Not specified 533

What people switch to and from

Patients started taking Carbidopa-Levodopa after stopping:

Treatment Patients
Ropinirole (Requip) 43
Pramipexole (Mirapex) 31
Amantadine (Symmetrel) 21
Rasagiline (Azilect) 21
Carbidopa-Entacapone-Levodopa (Stalevo) 18

Show all 16 treatments patients report switching from

Patients stopped taking Carbidopa-Levodopa and switched to:

Treatment Patients
Carbidopa Levodopa ER (Rytary XR) 49
Carbidopa-Entacapone-Levodopa (Stalevo) 10
Ropinirole (Requip) 9
Carbidopa-Levodopa CR (Sinemet CR) 7
Pramipexole (Mirapex) 7

Show all 17 treatments patients report switching to

Last updated:

131 patient evaluations for Carbidopa-Levodopa

Aug 10, 2017 (Started Jul 01, 2011)

  • Effectiveness
    Moderate (for dystonia)
  • Effectiveness
    Moderate (for Parkinson's disease)
  • Side effects
    Mild (Nausea and vomiting)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 25 mg-100 mg Daily
Advice & Tips: I eat crackers before taking the medication so I don't vomit. I take 2 tablets times 4 times daily of the 25/100 mg. tablets
Cost: < $25 monthly

May 25, 2017 (Started Jul 01, 2011)

  • Effectiveness
    Major (for Parkinson's disease)
  • Effectiveness
    Moderate (for dystonia)
  • Side effects
    Moderate (Nausea and vomiting)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 25 mg-100 mg Daily
Advice & Tips: I eat crackers before taking the medication so I don't vomit. I take 2 tablets times 4 times daily of the 25/100 mg. tablets
Cost: < $25 monthly

Jan 17, 2017 (Started Jul 01, 2011)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Effectiveness
    Moderate (for dystonia)
  • Side effects
    Mild (Nausea and vomiting)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 25 mg-100 mg Daily
Advice & Tips: I eat crackers before taking the medication so I don't vomit.
Cost: < $25 monthly

Oct 10, 2016 (Started Jul 01, 2011)

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

Sep 14, 2016 (Started Jul 01, 2011)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Effectiveness
    Slight (for dystonia)
  • Side effects
    Mild (Nausea and vomiting)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 25 mg-100 mg Daily
Advice & Tips: crackers help
Cost: < $25 monthly

Jul 13, 2016 (Started Jul 01, 2011)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Effectiveness
    Slight (for dystonia)
  • Side effects
    Moderate (Nausea and vomiting)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 25 mg-100 mg Daily
Advice & Tips: I continue to be nausea, but crackers help.
Cost: < $25 monthly

  • 0 helpful marks

Jun 27, 2017 (Started Jun 03, 2007)

  • Effectiveness
    Slight (for Parkinson's disease)
  • Side effects
    Mild (paroxysmal dyskinesia)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 25-250 mg Five times daily

  • 0 helpful marks

Jun 13, 2017 (Started Jun 01, 2016)

  • Effectiveness
    Moderate (for Parkinson's disease)
  • Side effects
    Mild (Involuntary head movement)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 1400 mg Daily
Cost: < $25 monthly

Mar 31, 2016 (Started Jun 01, 2016)

  • Effectiveness
    Major (for Parkinson's disease)
  • Side effects
    Mild (Involuntary head movement)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 131 patient evaluations for Carbidopa-Levodopa