Generic name: Daclatasvir (dak LAT as vir)
Brand name: Daklinza
Drug class: NS5A inhibitors
Medically reviewed by Drugs.com. Last updated on Oct 18, 2020.
- You will be tested for hepatitis B before starting daclatasvir. In people who have had hepatitis B or carry the virus, the virus has become active again during or after treatment with drugs like this one. This can lead to severe and sometimes deadly liver problems. People with hepatitis B and hepatitis C will be watched closely during and after treatment.
Uses of Daclatasvir:
- It is used to treat long-term hepatitis C infections.
What do I need to tell my doctor BEFORE I take Daclatasvir?
- If you are allergic to daclatasvir; any part of daclatasvir; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have ever had liver problems other than hepatitis C.
- If you are not taking other drugs to treat hepatitis C.
- If you have a rare hereditary problem of galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption.
- If you take any drugs (prescription or OTC, natural products, vitamins) that must not be taken with daclatasvir, like certain drugs that are used for HIV, infections, or seizures. There are many drugs that must not be taken with daclatasvir.
- If you are pregnant or may be pregnant. Do not take daclatasvir 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 daclatasvir.
This is not a list of all drugs or health problems that interact with daclatasvir.
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 daclatasvir 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 Daclatasvir?
- Tell all of your health care providers that you take daclatasvir. This includes your doctors, nurses, pharmacists, and dentists.
- This medicine interacts with many other drugs. The chance of daclatasvir's side effects may be raised or how well daclatasvir works may be lowered. The chance of the other drugs' side effects may also be raised. This may include very bad, life-threatening, or deadly side effects. Check with your doctor and pharmacist to make sure that it is safe for you to take daclatasvir with all of your other drugs (prescription or OTC, natural products, vitamins).
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- If you have high blood sugar (diabetes), talk with your doctor. This medicine may lower blood sugar. High blood sugar drugs may need to be changed.
- Check your blood sugar as you have been told by your doctor.
- Slow heartbeat and the need to get a pacemaker have happened when amiodarone was given with sofosbuvir and certain other hepatitis C drugs. Sometimes, this has been deadly. Slow heartbeat has happened up to 2 weeks after starting hepatitis C treatment. You will need to be watched closely if you will be taking amiodarone with hepatitis C treatment. Follow what your doctor has told you to do. Call your doctor right away if you have signs of slow heartbeat like chest pain, confusion, dizziness, passing out or near-passing out, memory problems, shortness of breath, tiredness, or weakness.
- It is not known if daclatasvir stops the spread of diseases like hepatitis that are passed through blood or having sex. Do not have any kind of sex without using a latex or polyurethane condom. Do not share needles or other things like toothbrushes or razors. Talk with your doctor.
- This medicine must be taken with other drugs to treat hepatitis C. Be sure you know about the warnings, benefits, and risks of the other drugs. Talk with your doctor if you have questions or concerns about any of your drugs used to treat hepatitis C.
- If you stop taking any of your other drugs to treat hepatitis C, talk with your doctor. You may need to stop taking daclatasvir also.
- Women must use birth control while taking daclatasvir and for some time after the last dose. Ask your doctor how long to use birth control. If you get pregnant, call your doctor right away.
How is this medicine (Daclatasvir) best taken?
Use daclatasvir as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take with or without food.
- Keep taking daclatasvir as you have been told by your doctor or other health care provider, even if you feel well.
- It is important that you do not miss or skip a dose of daclatasvir during treatment.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If the next dose is less than 4 hours away, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
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.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating.
- Feeling very tired or weak.
- Shortness of breath.
- Dizziness or passing out.
- Pale skin.
What are some other side effects of Daclatasvir?
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:
- Feeling tired or weak.
- Upset stomach.
- Trouble sleeping.
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 Daclatasvir?
- Store in the original container at room temperature.
- Store in a dry place. Do not store in a bathroom.
- 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.
Consumer information use
- 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. Check with your pharmacist. If you have any questions about daclatasvir, 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.
Frequently asked questions
More about daclatasvir
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- 10 Reviews
- Drug class: NS5A inhibitors
- Other brands
Related treatment guides
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.