Compare carbidopa / levodopa vs. Eldepryl

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Eldepryl (selegiline)

Prescription only
Treats Parkinson's disease.

Sinemet (carbidopa / levodopa) is the first choice treatment for Parkinson's disease.

Treats Parkinson's disease.

Used with other medicines for Parkinson's disease to boost its effect.

Upsides
  • Sinemet (carbidopa / levodopa) is widely available as a regular pill, a quick dissolving pill or a liquid taken through a feeding tube.
  • Sinemet (carbidopa / levodopa) is available in generic.
  • There are two different versions of Eldepryl (selegiline), a quick dissolving tablet and a regular tablet.
  • Eldepryl (selegiline) is one of the recommended medicines you can take along with carbidopa/levodopa if your Parkinson's disease is getting worse.
Downsides
  • Can make you very sleepy.
  • Can stain your saliva, sweat and urine a dark color.
  • Will lose its effect over time as your disease progresses.
  • May need to be taken several times during day to control symptoms of Parkinson's disease
  • May cause unusual cravings in some people.
  • You may have to limit the amount of cheese, smoked meat, and soy sauce you eat while taking Eldepryl (selegiline) since it can raise your blood pressure.
  • Can keep you up at night if you take it later in the day
  • Doesn't work by itself to treat Parkinson's disease.
Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Pill
  • Dissolving tablet
Price
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Reviews
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Side effects
The Sinemet (carbidopa / levodopa) FDA package insert doesn’t have numbers about how common side effects are.
11possible side effects
  • Skin irritation at the patch
    24%
  • Headache
    18%
  • Insomnia
    12%
  • Diarrhea
    9%
  • Dry mouth
    8%
  • Weight loss of at least 5%
    5%
  • Indigestion
    4%
  • Rash
    4%
  • Sore throat
    3%
  • Sinus infection
    3%
  • Weight gain of at least 5%
    2%
See more detailed side effects
Risks and risk factors
  • Falling asleep during the day
    • Taking other medicines for Parkinson's
  • High fever and confusion
    • Stopping Sinemet (carbidopa / levodopa) suddenly
  • Changes in behavior
  • Lack of impulse control
    • Taking other medicines for Parkinson's disease
  • Changes in blood pressure and falls
See more detailed risks and warnings
  • Increased blood pressure
    • Eating foods rich in tyramine, like soy sauce, fermented cheese and smoked meats
    • Taking cough and cold medicines like dextromethorphan (Robitussin DM), pseudoephedrine (Sudafed)
  • Serotonin syndrome
    • Tricyclic antidepressants
    • Fentanyl
    • Tramadol
    • Buspirone
    • ADHD medicines
    • Triptans
  • Increased risk of skin cancer
  • Falling asleep during the day
    • Taking other medicines for Parkinson's
  • Low blood pressure
See more detailed risks and warnings