Benserazide and Levodopa

This information from Lexicomp^® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.

Brand Names: Canada

Prolopa 100-25; Prolopa 200-50; Prolopa 50-12.5

What is this drug used for?

• It is used to treat Parkinson’s disease.

What do I need to tell my doctor BEFORE I take this drug?

• If you are allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you have any of these health problems: Blood problems, endocrine disease, glaucoma, heart disease, kidney disease, liver disease, lung disease, or mental illness.
• If you have taken certain drugs for depression or Parkinson’s disease in the last 14 days. This includes isocarboxazid, phenelzine, tranylcypromine, selegiline, or rasagiline. Very high blood pressure may happen.
• If you are taking any of these drugs: Linezolid or methylene blue.
• If you are taking another drug that has the same drug in it.
• If you are younger than 25 years of age. Do not take this drug if you are younger than 25 years of age.
• If you are pregnant or may be pregnant. Do not take this drug if you are pregnant.
• If you are able to get pregnant and are not using birth control.
• If you are breast-feeding. Do not breast-feed while you take this drug.

This is not a list of all drugs or health problems that interact with this drug.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

• Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
• To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down. Be careful going up and down stairs.
• It may take several weeks to see the full effects.
• Have your blood work checked and eye exams as you have been told by your doctor.
• If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.
• This drug may affect certain lab tests. Tell all of your health care providers and lab workers that you take this drug.
• The chance of a type of skin cancer called melanoma may be raised in people with Parkinson’s disease. It is not known if this drug may also raise the chance. Have skin exams while you take this drug. Talk with your doctor.
• This drug may “wear off” as the time for your next dose gets closer. Tell your doctor if this happens and it bothers you.
• Talk with your doctor before you use alcohol, marijuana or other forms of cannabis, or prescription or OTC drugs that may slow your actions.
• A dark color (red, brown, or black) may show up in your saliva, urine, or sweat. This is not harmful but may discolor your clothes.
• If you are 65 or older, use this drug with care. You could have more side effects.
• This drug may cause harm to an unborn baby. If you may become pregnant, you must use birth control while taking this drug. If you get pregnant, call your doctor right away.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• New or worse behavior or mood changes like depression or thoughts of suicide.
• Feeling confused.
• Hallucinations (seeing or hearing things that are not there).
• Bad dreams.
• Trouble controlling body movements that is new or worse.
• Shakiness, trouble moving around, or stiffness.
• Twitching.
• Change in eyesight, eye pain, or severe eye irritation.
• Strong urges that are hard to control (such as eating, gambling, sex, or spending money).
• A skin lump or growth.
• Change in color or size of a mole.
• A heartbeat that does not feel normal.
• Very bad dizziness or passing out.
• Feeling very sleepy.
• Neuroleptic malignant syndrome (NMS) is a very bad and sometimes deadly health problem that has happened when this drug was stopped all of a sudden. NMS has also happened when the dose of this drug was lowered. Call your doctor right away if you have any fever, muscle cramps or stiffness, dizziness, very bad headache, confusion, change in thinking, fast heartbeat, heartbeat that does not feel normal, or are sweating a lot.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Diarrhea, upset stomach, or throwing up.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to your national health agency.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

How is this drug best taken?

Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• To help with stomach problems, you may take this drug with liquid or a small snack low in protein (like biscuits, applesauce, or fruit juice).
• Avoid taking with a high protein meal.
• Swallow whole. Do not chew, open, or crush.
• Do not stop taking this drug all of a sudden without calling your doctor. You may have a greater risk of side effects. If you need to stop this drug, you will want to slowly stop it as ordered by your doctor.

What do I do if I miss a dose?

• Take a missed dose as soon as you think about it.
• If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.

How do I store and/or throw out this drug?

• Store at room temperature protected from light. Store in a dry place. Do not store in a bathroom.
• Keep lid tightly closed.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

General drug facts

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else’s drugs.
• Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider’s examination and assessment of a patient’s specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms.

Last Reviewed Date

2021-05-14

Copyright

© 2024 UpToDate, Inc. and its affiliates and/or licensors. All rights reserved.