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YF-Vax

Generic name: yellow fever vaccine

Used for infection
Last updated November 4, 2026 0 views
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What is YF-Vax?

YF-Vax is recommended for people that plan to live in or travel to locations where yellow fever is known to exist, or those who are or else at high danger of coming into call with the infection.

This vaccination is used to aid protect against yellow high temperature. The vaccination functions by revealing you to a tiny dose of the infection, which creates the body to create immunity to the condition. This vaccine will not treat an active infection that has actually currently developed in the body.

You ought to receive the vaccine at the very least 10 days prior to your arrival in a location where you may be subjected to the infection.

This vaccine is also recommended for individuals that operate in a research laboratory and may be subjected to yellow high temperature infection with needle-stick mishaps or breathing of viral beads airborne.

Like any vaccination, the YF-Vax may not offer security from condition in every person.

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Warnings

You should not get a booster vaccine if you had a life threatening allergic reaction after the very first shot.

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Before taking this medicine

You ought to not receive this vaccine if you have actually ever before had a lethal allergic reaction to a YF-Vax, or if you have:

  • an allergy to eggs or poultry proteins;
  • cancer cells, leukemia, or lymphoma;
  • a weak immune system triggered by condition (such as cancer, HIV, or AIDS), or by taking certain medicines such as steroids;
  • a problem such as myasthenia gravis;
  • a disease or tumor of the thymus gland, or if your thymus gland has actually been operatively gotten rid of; or
  • if you have actually gotten a transplant.

Youngsters younger than 9 months must not obtain YF-Vax.

If you have a high threat of exposure to yellow high temperature, you may require to get the vaccination also if you have an allergy to eggs or chicken products. Your physician can give you the vaccine in a number of little dosages to avoid an allergy.

In diplomatic immunities, a doctor or health and wellness official might identify that an adult 60 years and older must receive a YF-Vax.

Inform your physician if you have ever before had:

  • a seizure;
  • a neurologic condition or illness influencing the mind (or if this was a response to a previous injection);.
  • a bleeding or blood clot condition such as hemophilia; or.
  • Guillain Barré syndrome.

You can still obtain a vaccination if you have a minor cold. When it comes to a much more serious health problem with a high temperature or any kind of infection, wait till you get better prior to getting this vaccine.

Injections may be hazardous to an expected child and normally ought to not be provided to an expecting woman. However, not immunizing the mother can be a lot more dangerous to the infant if the mother comes to be infected with a condition that this vaccination might protect against. Your doctor will certainly decide whether you need to get this vaccination, specifically if you have a high threat of infection with yellow fever.

Ask a physician if it is secure to breastfeed after receiving this vaccine. Do not breastfeed if the youngster is much less than 9 months old.

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YF-Vax side effects

Obtain emergency situation medical aid if you have signs of an allergic reaction: hives; wheezing, upper body rigidity, tough breathing, swelling of your face, lips, tongue, or throat.

You should not obtain a booster vaccination if you had a serious allergic reaction after the very first vaccine. Keep an eye on all negative effects that take place within 1 month after you obtain this vaccine. If you ever require a booster dosage, you will certainly need to tell your doctor if the previous shot created any type of adverse effects.

Seek clinical interest right away if you have any of these signs and symptoms comparable to yellow fever that may happen within 10 days after vaccination:

  • high temperature, frustration, confusion, severe exhaustion;
  • muscular tissue discomfort or weakness;
  • a light-headed feeling, like you could lose consciousness;
  • easy bruising, unusual blood loss;
  • little or no peeing; or
  • vomiting, loss of appetite, jaundice (yellowing of the skin or eyes).

Ending up being contaminated with yellow fever is much more harmful to your wellness than getting this vaccine. However, like any kind of medicine, this vaccine can cause side effects yet the danger of serious side effects is extremely reduced.

Call your medical professional at the same time if you have any of these rare however severe negative effects within 10 days after you receive the vaccination:

  • high fever, throwing up, boosted sensitivity to light;
  • extreme fatigue, neck rigidity, seizure;
  • problems with walking, breathing, speech, ingesting, vision, or eye motion;
  • weakness or irritable feeling in your fingers or toes;
  • serious discomfort (especially in the evening); or
  • loss of bladder or digestive tract control.

Severe adverse effects may be most likely in older grownups.

Typical adverse effects of YF-Vax might consist of:

  • fever;
  • throwing up, nausea or vomiting;
  • headache;
  • joint or muscular tissue discomfort;
  • fatigue or weakness; or
  • pain, pain, soreness, swelling, or a hard swelling (induration) where the infection was provided.

This is not a full list of negative effects and others might occur. Call your doctor for clinical advice about adverse effects. You might report vaccine side effects to the US Department of Health and Human Services at 1-800-822-7967.

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How is YF-Vax given?

This vaccine is given under the skin. You will receive this injection in a doctor's office or other clinic setting.

One dose of yellow fever vaccine provides long lasting protection to most people. An additional dose may be given to people that did not have an adequate immune response and continue to be at risk of exposure to yellow fever. Your individual booster schedule may be different from these guidelines. Follow your doctor's instructions or the schedule recommended by your local health department or the Centers for Disease Control and Prevention (CDC).

After receiving the vaccine, you will be given an International Certificate of Vaccination (yellow card) from the clinic where you receive your YF-Vax. You will need this card as proof of vaccination to enter certain countries. This card becomes valid 10 days after you receive the vaccination and remains valid for 10 years.

YF-Vax may cause false results on a blood test for rabies or Japanese encephalitis. Tell any doctor who treats you if you have recently received a this medicine.

In addition to receiving YF-Vax, use protective clothing, insect repellents, and mosquito netting around your bed to further prevent mosquito bites that could infect you with the yellow fever virus.

If you continue to travel or live in areas where yellow fever is common, you may receive a booster dose of yellow fever vaccine at least 10 years after your initial dose.

What happens if I miss a dose?

Talk with your doctor if you are obtaining this injection less than 10 days before your arrival in a location where you might be revealed to the yellow high temperature infection.

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What happens if I overdose?

An overdose of this vaccine is unlikely to happen.

Follow your doctor's directions regarding any type of constraints on food, drinks, or task.

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What other drugs will affect YF-Vax?

Before obtaining this injection, inform the doctor regarding all various other injections you have just recently gotten.

Also tell the doctor if you have lately gotten medications or therapies that can compromise the body immune system, including:

  • steroid medication;
  • cancer cells therapies;
  • medications to deal with psoriasis, rheumatoid arthritis, or other autoimmune problems; or
  • medications to treat or stop organ transplant being rejected.

This list is not full. Various other medications may influence this vaccine, including prescription and non-prescription medicines, vitamins, and herbal items. Not all feasible interactions are noted in this drug guide.

This section was rewritten for readability and reviewed for meaning.

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Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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