

Comtan is a prescription drug that is approved for treating Parkinson's disease. This article from the eMedTV site describes how Comtan works, explains when and how to take the drug, and lists potential side effects to look out for during treatment.
Dizziness, constipation, and nausea are among the most commonly reported Comtan side effects. This eMedTV segment also lists potentially serious side effects that should be reported to a healthcare provider immediately, such as fainting or seizures.
Comtan is used for increasing the effectiveness of levodopa in treating Parkinson's disease. This part of the eMedTV Web site discusses Comtan uses in more detail, describes how the drug works, and explains whether it is approved for use in children.
The usual prescribed Comtan dosage is one tablet taken with each dose of carbidopa-levodopa. This eMedTV resource contains additional Comtan dosing information and provides a list of tips and precautions for when and how to take the medication.
Cholestyramine, probenecid, and MAOIs are some of the medicines that may cause Comtan drug interactions. This eMedTV Web page lists other products that may interact negatively with Comtan and describes the potential effects of these interactions.
Before taking Comtan, tell your doctor if you have liver disease, kidney disease, or lung problems. This eMedTV page offers more Comtan warnings and precautions, including other conditions you should tell your doctor about before starting treatment.
Loose stools, abdominal pain, and seizures are possible signs of a Comtan (entacapone) overdose. This eMedTV segment lists other potential overdose symptoms and describes the steps your healthcare provider may take to treat a Comtan overdose.
Animal studies suggest that Comtan (entacapone) may cause problems when used during pregnancy. As this eMedTV article explains, in studies on Comtan and pregnancy, the drug caused miscarriages and birth defects when it was given to pregnant animals.
At this time, it is not known whether it is safe to breastfeed while using Comtan (entacapone). This eMedTV article includes more information on Comtan and breastfeeding, and explains whether the drug is likely to pass through breast milk in humans.
At this time, no generic Comtan (entacapone) is available in the United States. This segment from the eMedTV archives further discusses when a generic version may become available and explains whether entacapone is the same as generic Comtan.
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