Generic Name: Inotersen (in oh TER sen)
Brand Name: Tegsedi
Medically reviewed by Drugs.com. Last updated on Oct 1, 2020.
- This medicine can cause low platelet levels. Sometimes, very low platelet levels have led to life-threatening or deadly bleeding problems. If you have questions, talk with the doctor.
- If you have a low platelet count, talk with your doctor.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Call your doctor right away if you have any signs of bleeding problems, like bruising; black, tarry, or bloody stools; bleeding gums; blood in the urine; coughing up blood; cuts that take a long time to stop bleeding; feel dizzy; feeling very tired or weak; nosebleeds; pain or swelling; throwing up blood or throw up that looks like coffee grounds; or very bad headache.
- Kidney problems have happened with Tegsedi (inotersen). Sometimes, people have needed dialysis. Kidney problems may be long-lasting. If you have questions, talk with the doctor.
- If you have kidney disease, talk to your doctor.
- Have your urine checked as you have been told by your doctor.
- Call your doctor right away if you have signs of kidney problems like not able to pass urine; change in how much urine is passed; bloody, brown, or foamy urine; shortness of breath or cough; or puffy or swollen face, feet, or hands.
Uses of Tegsedi:
- It is used to treat nerve problems in people with amyloidosis.
What do I need to tell my doctor BEFORE I take Tegsedi?
- If you are allergic to Tegsedi (inotersen); any part of Tegsedi (inotersen); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have low platelet levels.
- If you have had kidney problems caused by Tegsedi (inotersen).
This is not a list of all drugs or health problems that interact with Tegsedi (inotersen).
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 Tegsedi (inotersen) 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 Tegsedi?
- Tell all of your health care providers that you take Tegsedi (inotersen). This includes your doctors, nurses, pharmacists, and dentists.
- Allergic reactions have happened with Tegsedi (inotersen). Most of the time, these reactions happened within 2 hours after a dose. Call your doctor right away if you have chest pain; chills; flu-like signs; flushing; muscle or joint pain; not able to control body movements; redness of the palms of hands; signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight; trouble swallowing; or any other bad effects.
- You may need to take vitamin A while taking Tegsedi (inotersen). Be sure to follow what your doctor has told you.
- This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take Tegsedi (inotersen).
- You may bleed more easily. Be careful and avoid injury. Use a soft toothbrush and an electric razor.
- Liver problems have happened with Tegsedi (inotersen). In people who have had a liver transplant, rejection of the liver has happened. If you have liver problems or have had a liver transplant, talk with your doctor.
- If you are 65 or older, use Tegsedi (inotersen) with care. You could have more side effects.
- Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
- Do not take more vitamin A than what your doctor told you to take. Taking too much vitamin A during pregnancy may cause birth defects. If you have questions, talk with your doctor.
How is this medicine (Tegsedi) best taken?
Use Tegsedi (inotersen) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as a shot into the fatty part of the skin on the top of the thigh, belly area, or upper arm.
- If you will be giving yourself the shot, your doctor or nurse will teach you how to give the shot.
- Take the same day each week.
- Move the site where you give the shot with each shot.
- If stored in a refrigerator, let Tegsedi (inotersen) come to room temperature before using it. Leave it at room temperature for at least 30 minutes. Do not heat Tegsedi (inotersen).
- Do not give into skin within 2 inches of the belly button.
- Do not inject at the waistline or in any other area where pressure or rubbing from clothes can happen.
- Do not give into tender, bruised, red, or hard skin.
- Do not give into skin that is tattooed or scarred.
- Do not use if the solution is cloudy, leaking, or has particles.
- This medicine is colorless to a faint yellow. Do not use if the solution changes color.
- Each prefilled syringe is for one use only.
- Throw away needles in a needle/sharp disposal box. Do not reuse needles or other items. When the box is full, follow all local rules for getting rid of it. Talk with a doctor or pharmacist if you have any questions.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is less than 2 days until your next dose, skip the missed dose and go back to your normal day.
- 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.
- Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, or blurred eyesight.
- Stiff neck.
- Trouble walking.
- Muscle pain or weakness.
- Muscle spasm.
- Back pain.
- Weight loss.
- Swelling in the arms or legs.
- A heartbeat that does not feel normal.
- A burning, numbness, or tingling feeling that is not normal.
- Shortness of breath.
- Very bad dizziness or passing out.
- Change in eyesight like trouble seeing at night.
What are some other side effects of Tegsedi?
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 the shot is given.
- Upset stomach or throwing up.
- Feeling tired or weak.
- Not hungry.
- Dry mouth.
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 Tegsedi?
- Store in a refrigerator. Do not freeze.
- Store in the original container to protect from light.
- If needed, you may store at room temperature for up to 6 weeks. If stored at room temperature and not used within 6 weeks, throw Tegsedi (inotersen) away.
- Protect from heat.
- 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.
- This medicine comes with an extra patient fact sheet called a Medication Guide. Read it with care. Read it again each time Tegsedi (inotersen) is refilled. If you have any questions about Tegsedi (inotersen), please talk with the doctor, 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
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about Tegsedi (inotersen)
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Pricing & Coupons
- En Español
- Drug class: miscellaneous metabolic agents
- FDA Approval History