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Cholera oral

Updated 2 Feb 2023 | Cholera vaccine

Presentation

Oral suspension and effervescent granules of inactivated cholera vaccine

Drugs List

  • cholera oral vaccine
  • DUKORAL oral vaccine
  • Therapeutic Indications

    Uses

    Cholera - prophylaxis

    Active immunisation against disease caused by Vibrio cholerae serogroup O1 in individuals who will be visiting endemic/epidemic areas.

    Dosage

    For comprehensive information or advice on this product or the immunisation programme in the UK, the following website should be accessed.

    https://www.gov.uk/government/collections/immunisation-against-infectious-disease-the-green-book

    Adults

    Primary vaccination schedule
    2 doses with an interval of 1 to 6 weeks between doses.

    If the interval exceeds 6 weeks, the primary immunisation course should be restarted.

    Immunisation should be completed at least 1 week prior to potential exposure to Vibrio cholerae O1.

    Booster dose
    For continuous protection against cholera, a single booster dose is recommended within 2 years of primary vaccination course.

    If more than 2 years have lapsed since the last vaccination, the primary course should be repeated.

    No clinical protective efficacy data is available on repeat booster dosing.

    Children

    Children aged over 6 years
    Primary vaccination schedule
    2 doses with an interval of between 1 and 6 weeks between doses.

    If the interval exceeds 6 weeks, the primary immunisation course should be restarted.

    Immunisation should be completed at least 1 week prior to potential exposure to Vibrio cholerae O1.

    Booster dose
    For continuous protection against cholera, a single booster dose is recommended within 2 years of primary vaccination course in children aged over 6 years.

    If more than 2 years have lapsed since the last vaccination, the primary course should be repeated.

    No clinical protective efficacy data is available on repeat booster dosing.

    Children aged 2 to 6 years
    Primary vaccination schedule
    3 doses with intervals of between 1 and 6 weeks between doses.

    If the interval exceeds 6 weeks, the primary immunisation course should be restarted.

    Immunisation should be completed at least 1 week prior to potential exposure to Vibrio cholerae O1.

    Booster dose
    For continuous protection against cholera, a single booster dose is recommended within 6 months of primary vaccination course in children aged 2 to 6 years.

    If more than 6 months have lapsed since the last vaccination, the primary course should be repeated.

    No clinical protective efficacy data is available on repeat booster dosing.

    Administration

    Adults and children over 6 years

    The effervescent granules should be dissolved in approximately 150 ml of cool water to give a solution of sodium hydrogen carbonate. The vaccine suspension is mixed with the solution.

    Children aged 2 to 6 years

    Half of the sodium hydrogen carbonate solution prepared from the effervescent granules should be discarded. The remaining half (approximately 75 ml) is mixed with all of the vaccine suspension.

    Contraindications

    Children under 2 years
    Febrile disorder
    Acute gastrointestinal disorder

    Precautions and Warnings

    Immunosuppression
    Patients over 65 years
    Breastfeeding
    Immunodeficiency syndromes
    Positive HIV status
    Pregnancy

    No protection against other strains of vibrio
    Postpone immunisation if there is active or suspected infection
    Sodium content of formulation may be significant
    Adhere to standard protective measures to avoid infection
    Vaccine may not be effective in 100% of patients
    May contain trace amounts of formaldehyde
    No food or drink for 1 hour before/after use
    No other medicines for 1 hour before/after use
    Reconstitute only in accordance with manufacturer's instructions
    Follow national immunisation guidelines
    No clinical data on protective efficacy after booster doses
    Advise on measures to take if diarrhoea occurs

    Immunisation protects against Vibrio cholerae serogroup O1 only, and not against Vibrio cholerae serogroup O139 or other species of vibrio.

    In HIV infected individuals, limited data is available on the immunogenicity and safety of the vaccine. The protective efficacy of the vaccine has not been studied. Immunisation of those with HIV could result in transient increases of viral load. The vaccine may fail to induce protective antibody levels in those with advanced HIV disease, although an effectiveness study in a population with high HIV prevalence showed similar levels of protection as in other populations.

    Pregnancy and Lactation

    Pregnancy

    Use cholera vaccine with caution in pregnancy.

    The vaccine may be administered during pregnancy after careful benefit/risk assessment.

    Schaefer (2007) suggests that because the vaccine protection is short term and incomplete, antibiotic treatment of cholera infection is the preferred choice during pregnancy. However, Schaefer (2007) also suggests that if travel to an endemic area cannot be postponed, vaccination should be performed during pregnancy.

    No specific clinical studies have been performed and there is no available data on reproduction toxicity in animals.

    The use of all medication in pregnancy should be avoided whenever possible; particularly in the first trimester. Non-drug treatments should also be considered. When essential, a medication with the best safety record over time should be chosen, employing the lowest effective dose for the shortest possible time. Polypharmacy should be avoided. Teratogens taken in the pre-embryonic period, often quoted as lasting until 14 to 17 days post-conception, are believed to have an all-or-nothing effect. Where drugs have a short half-life, and when the date of conception is certain, this may allow women to be reassured where drug exposure has occurred within this time frame. Further advice may be available from the UK National Teratology Information Service (NTIS) and through ToxBase, available via password on the internet ( www.toxbase.org ) or if this is unavailable at the backup site ( www.toxbasebackup.org ).

    Lactation

    Use cholera vaccine with caution in breastfeeding.

    The vaccine may be administered to breastfeeding women after careful benefit/risk assessment.

    Maternal vaccination significantly increases the levels of cholera antibodies excreted in their milk (IgA, IgG) and breastfed infants are generally protected from cholera (Hale, 2014).

    Neonates, infants born prematurely, those with low birth weight, those with an unstable gastrointestinal function or who have serious illnesses may require special consideration. For any infant, if a drug is prescribed to the nursing mother, it should be at the lowest practical dose and for the shortest time. When drug administration is unavoidable and breastfeeding is to continue, minimisation of exposure of the infant to the drug may sometimes be achieved by timing the maternal doses to just after a feeding episode. Infants exposed to drugs via breast milk should be monitored for unusual signs or symptoms. Interactions between the drug received by the infant from the mother's milk and medication prescribed for the infant should also be considered, for example, when the drug given to the infant may prevent metabolism of the drug received via breast milk.
    Specialist advice is available from the UK Drugs in Lactation Advisory Service at https://www.midlandsmedicines.nhs.uk/content.asp?section=6&subsection=17&pageIdx=1

    Side Effects

    Abdominal cramps
    Abdominal discomfort
    Abdominal pain
    Angioedema
    Arthralgia
    Asthenia
    Chills
    Cough
    Dehydration
    Diarrhoea/loose stools
    Disturbances of appetite
    Dizziness
    Drowsiness
    Dyspepsia
    Dyspnoea
    Fainting
    Fatigue
    Fever
    Flatulence
    Gastro-enteritis
    Gastro-intestinal symptoms
    Headache
    Hypertension
    Increased sputum
    Influenza-like syndrome
    Insomnia
    Joint pain
    Lymphadenitis
    Malaise
    Nausea
    Pain
    Paraesthesia
    Pruritus
    Rash
    Respiratory symptoms
    Rhinitis
    Shivering
    Sore throat
    Stomach/abdominal gurgling
    Sweating
    Taste disturbances
    Urticaria
    Vomiting

    Overdosage

    It is strongly recommended that the UK National Poisons Information Service be consulted on cases of suspected or actual overdose where there is doubt over the degree of risk or about appropriate management.

    The following number will direct the caller to the relevant local centre (0844) 892 0111

    Information may be obtained if you have access to ToxBase the primary clinical toxicology database of the National Poisons Information Service. This is available via password on the internet ( www.toxbase.org ) or if this is unavailable at the backup site ( www.toxbasebackup.org ).

    Further Information

    Last full review: September 2016

    Reference Sources

    Drugs During Pregnancy and Lactation: Treatment Options and Risk Assessment, 2nd edition (2007) ed. Schaefer, C., Peters, P. and Miller, R. Elsevier, London.

    Joint Formulary Committee. British National Formulary (online) London: BMJ Group and Pharmaceutical Press. Accessed on 24 August 2016.

    Medications and Mothers' Milk, Sixteenth Edition (2014) Hale, T and Rowe, H, Hale Publishing, Plano, Texas.

    Summary of Product Characteristics: Dukoral suspension and effervescent granules for oral suspension, Cholera vaccine (inactivated, oral). Valneva UK Ltd. Revised March 2015

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