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Johnson & Johnson (Janssen) COVID-19 Vaccine

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What is this medication?

SARS COVID-19 VACCINE (SARZ koh-vid 19 vak SEEN) is a vaccine used to reduce the risk of getting COVID-19. This vaccine does not treat COVID-19. The FDA has authorized the emergency use of this vaccine during the COVID-19 pandemic.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

How should I use this medication?

This vaccine is injected into a muscle. It is given by a health care professional.

You may need a booster dose 2 months after finishing the primary series.

A copy of the Fact Sheet for Recipients and Caregivers will be given before each vaccination. Be sure to read this information carefully each time. This sheet may change often.

Talk to your health care provider about the use of this vaccine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.

What side effects may I notice from receiving this medication?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue; dizziness or weakness)
  • blood clot (chest pain; shortness of breath; pain, swelling, or warmth in the leg)
  • blurred vision or changes in vision
  • fast heartbeat
  • severe headache
  • stomach pain
  • trouble breathing
  • unusual bruising or bleeding

Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):

  • fever
  • headache
  • muscle pain
  • nausea
  • pain, redness, or irritation at site where injected
  • tiredness
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

This vaccine is only given by a health care provider. It will not be stored at home.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • any allergies
  • bleeding disorder
  • blood clots
  • immune system problems
  • an unusual or allergic reaction to COVID-19 vaccine, other drugs, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

What may interact with this medication?

  • certain medicines that thin your blood
  • chemotherapy or radiation therapy
  • medicines that lower your chance of fighting infection
  • steroid medicines like prednisone or cortisone
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What if I miss a dose?

This does not apply. This medicine is not for regular use.

What should I watch for while using this medication?

Visit your health care provider regularly.

This vaccine can cause a blood clotting problem called thrombosis with thrombocytopenia syndrome (TTS). TTS is a rare but serious medical condition that can be deadly. Get medical help right away if you have a severe headache; changes in vision; stomach pain; nausea and vomiting; back pain; chest pain; trouble breathing; pain, swelling, or warmth in leg; or unusual bruising or bleeding.

This vaccine, like all vaccines, may not fully protect everyone. Continue to follow all guidelines to prevent exposure.