How does typhoid vaccine work




















Anyone who has a severe allergy to any component of this vaccine should not get it. Tell your doctor if you have any severe allergies. Anyone who is moderately or severely ill at the time the shot is scheduled should usually wait until they recover before getting the vaccine.

Live typhoid vaccine oral Should not be given to children younger than 6 years of age. Anyone who is moderately or severely ill at the time the vaccine is scheduled should usually wait until they recover before getting it. Tell your doctor if you have an illness involving vomiting or diarrhea. Anyone whose immune system is weakened should not get this vaccine.

They should get the typhoid shot instead. Oral typhoid vaccine should not be given until at least 3 days after taking certain antibiotics. Ask your doctor for more information. Inactivated typhoid vaccine shot Mild reactions Fever up to about 1 person in Headache up to about 1 person in 30 Redness or swelling at the site of the injection up to about 1 person in 15 Live typhoid vaccine oral Mild reactions Fever or headache up to about 1 person in 20 Stomach pain, nausea, vomiting, rash rare.

What should I look for? Look for anything that concerns you, such as signs of a severe allergic reaction, very high fever, or behavior changes.

Signs of a severe allergic reaction can include hives, swelling of the face and throat, difficulty breathing, a fast heartbeat, dizziness, and weakness. These would start a few minutes to a few hours after the vaccination.

What should I do? If you think it is a severe allergic reaction or other emergency that can't wait, call or get the person to the nearest hospital. Otherwise, call your doctor. VAERS is only for reporting reactions. They do not give medical advice. A total of four capsules are taken one every other day. The "polysaccharide" vaccine is made from the sugar that coats the surface of the bacteria.

The "polysaccharide" vaccine is given as a single shot to children 2 years of age and older. Who should get the typhoid vaccine? However, the typhoid vaccine is recommended for people who travel to high-risk areas if they plan on any of the following: Travel "off the beaten path" in small towns and rural areas. Travel for more than six weeks in countries where typhoid is common. Travel and eat in areas without standard tourist accommodations. Who shouldn't get the typhoid vaccine? The typhoid vaccine should not be given to anyone less than 2 years of age.

Does the typhoid vaccine have side effects? Do the benefits of the typhoid vaccine outweigh the risks? Disease risks Fever, stomach pain and rash Disease can cause shock and death Vaccine risks Headache and fever in some people. Next Steps Contact Us. Vaccine Education Center. Minus Related Pages. Travel Alert. Get a typhoid fever vaccination Follow safe food and water guidelines. Read the Alert. Basic Information on Typhoid Vaccines Available in the United States Please note: In December , the maker of the oral typhoid fever vaccine Ty21a will temporarily stop making and selling it.

Vaccine and Travel Information. Links with this icon indicate that you are leaving the CDC website. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.



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