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Medications

Levothyroxine Sodium Injection 100 mcg/mL

Uses

For low thyroid levels.

Instructions

This medicine is given as an injection into a muscle.

Carefully follow the instructions for preparing this medicine before injection.

Read and make sure you understand the instructions for measuring your dose and using the syringe before using this medicine.

The medicine needs to be mixed before being injected.

Dilute with 0.9% sodium chloride, as directed.

Do not dilute the medicine until ready to use.

If using the vial, do not remove the medicine from the vial until ready to use.

Do not mix this medicine with other solutions.

Always inspect the medicine before using.

The liquid should be clear.

Do not use the medicine if it contains any particles or if it has changed color.

Shake well to dissolve any visible particles. Do not use if particles do not disappear.

Keep this medicine at room temperature.

Keep the medicine in its original container.

Do not store above 77 degrees F (25 degrees C).

Protect medicine from light.

Inject the medicine immediately after mixing.

Never use any medicine that has expired.

Discard any remaining medicine after your dose is given.

Please ask your doctor, nurse, or pharmacist how to discard unused medicines safely.

This medicine should only be used by a person who has been trained to recognize when and how it should be used.

Use this medicine at the same time each day.

Ask your doctor, nurse or pharmacist to show you how to use this medicine correctly.

You or a family member can be trained to give this medicine at home.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you miss a dose, contact your doctor for instructions.

Please tell your doctor and pharmacist about all the medicines you take. Include both prescription and over-the-counter medicines. Also tell them about any vitamins, herbal medicines, or anything else you take for your health.

If your symptoms do not improve or they worsen while on this medicine, contact your doctor.

Do not suddenly stop taking this medicine. Check with your doctor before stopping.

This medicine may affect your blood sugar levels. If you have diabetes, talk to your doctor before changing the dose of your diabetes medicine.

It is very important that you follow your doctor's instructions for all blood tests.

It is very important that you keep all appointments for medical exams and tests while on this medicine.

Do not take the medicine more than once during 24 hours.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine. Symptoms of an allergic reaction can include trouble breathing, skin rash, itching, swelling, or severe dizziness.

Do not use the medication any more than instructed.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Ask your pharmacist if this medicine can interact with any of your other medicines. Be sure to tell them about all the medicines you take.

Please tell all your doctors and dentists that you are on this medicine before they provide care.

Do not start or stop any other medicines without first speaking to your doctor or pharmacist.

Used needles and syringes should be thrown away properly in a medical waste container. Ask your doctor or pharmacist if you need help.

Do not share this medicine with anyone who has not been prescribed this medicine.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • hair loss
  • reaction at the area of the injection (pain, redness, swelling)

If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.

  • increased risk for bone fractures
  • bone pain
  • headaches
  • nervousness
  • shakiness
  • difficulty adjusting to changes in temperature
  • weight loss

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • chest pain
  • confusion
  • swelling of the legs, feet, and hands
  • fast or irregular heart beats
  • seizures
  • shortness of breath

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Extra

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

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IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it.Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions.Always follow their advice. There is a more complete description of this medicine available in English.Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.


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