- What is typhoid vaccine-oral enteric-coated capsule, and how does it work (mechanism of action)?
- What are the side effects of typhoid vaccine-oral enteric-coated capsule?
- What is the dosage for typhoid vaccine-oral enteric-coated capsule?
- Which drugs or supplements interact with typhoid vaccine-oral enteric-coated capsule?
- Is typhoid vaccine-oral enteric-coated capsule safe to take if I'm pregnant or breastfeeding?
- What else should I know about typhoid vaccine-oral enteric-coated capsule?
What is typhoid vaccine-oral enteric-coated capsule, and how does it work (mechanism of action)?
Typhoid vaccine is a live attenuated (weakened) oral typhoid vaccine. Typhoid disease is caused by ingestion of Salmonella typhi strains from contaminated food or water. Active immunity from vaccine is occurs when the body produces antibodies to typhoid in response to the weakened typhoid bacteria in the vaccine. Oral typhoid vaccine produces a local response in the intestines, boosting immunity.
What brand names are available for typhoid vaccine-oral enteric-coated capsule?
Vivotif
Is typhoid vaccine-oral enteric-coated capsule available as a generic drug?
No
Do I need a prescription for typhoid vaccine-oral enteric-coated capsule?
Yes
What are the side effects of typhoid vaccine-oral enteric-coated capsule?
Side effects of typhoid vaccine are abdominal pain, nausea, fever, headache, diarrhea, vomiting, and skin rash.

SLIDESHOW
Whooping Cough (Pertussis) Symptoms, Vaccine Facts See SlideshowWhat is the dosage for typhoid vaccine-oral enteric-coated capsule?
The recommended dosing for adults and children 6 years of age and older is: Take 1 capsule by mouth one hour before a meal for 4 doses, on days 1, 3, 5, and 7. Use cold or lukewarm water and should not exceed body temperature 37 C (98.6 F).
- Dosing should be completed at least 1 week prior to potential exposure.
- A booster dose of 4 capsules is needed every 5 years if re-exposure is expected.
Which drugs or supplements interact with typhoid vaccine-oral enteric-coated capsule?
Typhoid vaccine is not recommended for use with belimumab (Benlysta), ceftaroline (Taflaro), certolizumab pegol (Cimzia), hydroxyurea (Droxia), and methotrexate (Rheumatrex, Trexall) because they significantly lower the effectiveness of typhoid vaccine.
Typhoid vaccine should be used with caution with medications like azathioprine (Imuran, Azasan), etanercept (Enbrel), amoxicillin, cefprozil (Cefzil), budesonide (Entocort, Uceris ER), hydrocortisone, and triamcinolone because they lower beneficial effect of typhoid vaccine.
Anti-malaria drugs, such as mefloquine (Lariam), chloroquine (Aralen), and proguanil (Maralone) have anti-bacterial activity which may interfere with the immunogenicity of typhoid vaccine.
Is typhoid vaccine-oral enteric-coated capsule safe to take if I'm pregnant or breastfeeding?
There are no adequate studies done on typhoid vaccine to determine safe and effective use in pregnant women.
It is not known whether typhoid vaccine enters breast milk; therefore, it is best to be cautious before using while breastfeeding.
What else should I know about typhoid vaccine-oral enteric-coated capsule?
What preparations of typhoid vaccine-oral enteric-coated capsule are available?
Typhoid vaccine is an enteric-coated capsule, containing viable and non-viable strains of Salmonella typhi Ty21a. It is available in a blister package of 4 capsules.
How should I keep typhoid vaccine-oral enteric-coated capsule stored?
STORAGE: Store typhoid vaccine capsules between 2 C to 8 C (35.6 F to 46.4 F).
Summary
Typhoid vaccine live oral Ty21a (Vivotif) is a live attenuated oral vaccine used to prevent typhoid fever. Side effects, drug interactions, dosage, storage, and pregnancy safety information should be reviewed prior to receiving this vaccination.
Related Disease Conditions
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Typhoid Fever
Typhoid fever is an illness caused by the Salmonella typhi bacteria. The illness is contracted by ingesting the bacteria in contaminated water or food. Symptoms include headaches, fever, diarrhea, lethargy, aches and pains, and poor appetite. Treatment focuses on killing the Salmonella bacteria with antibiotics.
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Travel Medicine
Travelers should prepare for their trip by visiting their physician to get the proper vaccinations and obtain the necessary medication if they have a medical condition or chronic disease. Diseases that travelers may pick up from contaminated water or food, insect or animal bites, or from other people include: malaria, meningococcal meningitis, yellow fever, hepatitis A, typhoid fever, polio, and cholera.
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