The below information on Tyzeka has been taken from official FDA sources, but we cannot guarantee it's accuracy. Please use this site for educational purposes only. This site does not replace a proper discussion with your doctor.
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Tyzeka is a prescription medicine used for chronic hepatitis B virus (HBV) in adults who also have active liver damage.
- Tyzeka will not cure HBV
- Tyzeka may lower the amount of HBV in the body
- Tyzeka may lower the ability of HBV to multiply and infect new liver cells
- Tyzeka may improve the condition of your liver
- Tyzeka does not stop you from spreading HBV to others by sex, sharing needles, or being exposed to your blood. Talk with your healthcare provider about safe sexual practices that protect your partner. Never share needles. Do not share personal items that can have blood or body fluids on them.
- Tyzeka has not been studied in children and is not recommended for anyone less than 16 years old
Side Effects of Tyzeka
The following are the major potential risks and side effects of Tyzeka therapy. However, this list is not complete.
Tyzeka can cause serious side effects such as:
- lactic acidosis. Some people who have taken medicines like Tyzeka have developed a serious condition called lactic acidosis. Lactic acidosis is build up of acid in the blood. It is a medical emergency and must be treated in the hospital. Call your health care professional right away if you get any of the following signs of lactic acidosis:
- you feel very weak or tired
- you have unusual muscle pain
- you have trouble breathing
- you have stomach pain with nausea and vomiting
- you feel cold, especially in your arms and legs
- you feel dizzy or light-headed
- you have a fast or irregular heartbeat
- liver problems. Some people who take medicines like Tyzeka have developed serious liver problems called hepatotoxicity, with liver enlargement (hepatomegaly) and fat in the liver (steatosis). Call your health care professional right away if you get any of the following signs of liver problems:
- your skin or the white part of your eyes turns yellow (jaundice)
- your urine turns dark
- your bowel movements (stools) turn light in color
- you don’t feel like eating food for several days or longer
- you feel sick to your stomach (nausea)
- you have lower stomach pain
- muscle pain, weakness, or tenderness (myopathy). Some people who have taken medicines like Tyzeka have developed persistent unexplained muscle pain, muscle weakness, or muscle tenderness. If you develop any of these symptoms, call your health care professional right away.
- worsening of hepatitis after stopping Tyzeka. Your hepatitis B infection may get worse or become very serious if you stop taking Tyzeka. You should:
- take your Tyzeka exactly as prescribed
- do not stop taking Tyzeka without talking to your healthcare professional
- be sure to refill your prescription or talk to your healthcare provider if you are running low on Tyzeka. Do not run out of Tyzeka.
- Your healthcare professional will need to monitor your health and do regular blood tests to check your liver if you stop taking Tyzeka. Tell your health care professional right away about any new or unusual symptoms that you notice after you stop taking Tyzeka.
- Some common side effects that may occur with Tyzeka include:
- muscle related symptoms
- stomach pain
- joint pain
You should report any new or continuing symptom to your healthcare professional. This list of side effects is not complete. Ask your doctor for more information. It is important to stay under your doctor’s care while taking Tyzeka. Your doctor will test the level of the hepatitis B virus in your blood regularly.
Who Should Not Take Tyzeka
- You should not take Tyzeka if you are allergic to telbivudine or any of the other ingredients in Tyzeka.
- Tyzeca is not recommended for anyone less than 16 years old.
Interactions with Tyzeka
Tell your healthcare professional about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Tyzeka may interact with other medicines that leave the body through the kidneys. Know the medicines you take. Keep a list of them with you to show your healthcare professional.
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