What is conivaptan used for?
- Conivaptan is used to treat low sodium levels.
Before taking conivaptan, tell your doctor:
- If you are allergic to conivaptan; any part of this medicine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you are not able to pass urine.
- If you have kidney disease.
- If you have low blood volume.
- If you take any drugs (prescription or OTC, natural products, vitamins) that must not be taken with conivaptan, like certain drugs that are used for HIV, infections, or depression. There are many drugs that must not be taken with conivaptan. Your doctor or pharmacist can tell you if you are taking a drug that must not be taken with conivaptan.
- If you are breast-feeding. Do not breast-feed while you take conivaptan.
This is not a list of all drugs or health problems that interact with conivaptan.
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 conivaptan 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 conivaptan?
- Tell all of your health care providers that you take conivaptan. 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.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Very bad and sometimes deadly effects may happen from fixing low sodium levels too fast. The chance is raised in people with poor nutrition, very bad liver disease, or alcohol addiction. Talk with your doctor.
- This medicine may cause fertility problems. This may affect being able to have children. Talk with the doctor.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using conivaptan while you are pregnant.
How is conivaptan best taken?
Use conivaptan as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as an infusion into a vein over a period of time.
What do I do if I miss a dose?
- Call your doctor to find out what to do.
What are the side effects of conivaptan that I need to call my doctor about immediately?
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.
- Signs of fluid and electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, very bad dizziness or passing out, fast heartbeat, more thirst, seizures, feeling very tired or weak, not hungry, unable to pass urine or change in the amount of urine produced, dry mouth, dry eyes, or very bad upset stomach or throwing up.
- Signs of a urinary tract infection (UTI) like blood in the urine, burning or pain when passing urine, feeling the need to pass urine often or right away, fever, lower stomach pain, or pelvic pain.
- Signs of high or low blood pressure like very bad headache or dizziness, passing out, or change in eyesight.
- Trouble swallowing or speaking.
- Swelling in the arms or legs.
- This medicine may cause tissue damage if the drug leaks from the vein. Tell your nurse if you have any redness, burning, pain, swelling, blisters, skin sores, or leaking of fluid where the drug is going into your body.
What are some other side effects of conivaptan?
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:
- Irritation where conivaptan is used.
- More thirst.
- Diarrhea or constipation.
- Upset stomach or throwing up.
- Trouble sleeping.
- Throat pain.
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 the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If overdose is suspected:
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.
How do I store and/or throw out conivaptan?
- If you need to store conivaptan at home, talk with your doctor, nurse, or pharmacist about how to store it.
Consumer information use and disclaimer
- 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.
- 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.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about conivaptan, please talk with your doctor, nurse, pharmacist, or other health care provider.
This information should not be used to decide whether or not to take conivaptan or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to conivaptan. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.