Drug interactions between Sinemet and Symmetrel
Interactions between your drugs
- Sinemet is in the drug class dopaminergic antiparkinsonism agents.
- Sinemet is used to treat the following conditions:
- Symmetrel is a member of the following drug classes: adamantane antivirals, dopaminergic antiparkinsonism agents.
- Symmetrel is used to treat the following conditions:
Drug and food interactions
Applies to: Sinemet (carbidopa / levodopa)
Alcohol can increase the nervous system side effects of levodopa such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with levodopa. You may experience reduced effectiveness of levodopa in the presence of foods or enteral (tube) feedings with a high protein content. This may make the symptoms of Parkinson's disease worse. Talk with your doctor or nutrition counselor about the best foods to eat while you are taking this medication. Contact your doctor if your condition changes.
Therapeutic duplication warnings
Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.
Dopaminergic agents for parkinsonism
The recommended maximum number of medicines in the 'dopaminergic agents for parkinsonism' category to be taken concurrently is usually one. Your list includes three medicines belonging to the 'dopaminergic agents for parkinsonism' category:
- carbidopa (active ingredient in Sinemet (carbidopa/levodopa))
- levodopa (active ingredient in Sinemet (carbidopa/levodopa))
- amantadine (active ingredient in Symmetrel (amantadine))
Note: The benefits of taking this combination of medicines may outweigh any risks associated with therapeutic duplication. This information does not take the place of talking to your doctor. Always check with your healthcare provider to determine if any adjustments to your medications are needed.
Drug Interaction Classification
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Do not stop taking any medications without consulting your healthcare provider.