# Cholera (Suspected / Secretory Diarrhoea)

- Category: infectious
- Review status: reviewed (every claim checked against a document named on this page)
- Sources: WHO Cholera Outbreak Guidelines 2023 · CDC Yellow Book 2024
- Verified date: 2026-08

## Verified against

- WHO Cholera Outbreak Guidelines 2023
- Cholera (Vibrio cholerae Infection) - disease-level clinical article (cholera-suspected-clinical.txt)
- MSF Essential Drugs 2024

## Treatment metadata

- ORS — oral.liquid
- Referral & safety-netting (no drug therapy)
- Doxycycline — 100 mg — oral.solid
- Azithromycin — 500 mg — oral.solid
- Zinc sulfate — oral.liquid

## Complete treatment card

```text
CHOLERA (SUSPECTED / SECRETORY DIARRHOEA)
Sources: WHO Cholera Outbreak Guidelines 2023 · CDC Yellow Book 2024
Review status: REVIEWED against WHO Cholera Outbreak Guidelines 2023, Cholera (Vibrio cholerae
               Infection) - disease-level clinical article (cholera-suspected-
               clinical.txt), MSF Essential Drugs 2024  (2026-08)

IS IT THIS? - reference only, to read alongside your own examination
  SYMPTOMS - what the patient reports (6)
    - Heavy, painless watery diarrhea and vomiting without a fever is the typical picture, though
      severity varies widely  [diarrhoea · vomiting]
    - The classic stool is watery with a foul smell and flecks of mucus, described as rice-water
      stool
    - In the severe form, hypotensive shock can set in within hours and death can follow without
      prompt treatment; mortality has reached as high as 70% in reports  [shock]
    - A dry variant causes fluid to pool inside the gut, leading to collapse and death even before
      diarrhea appears  [collapse · diarrhoea]
    - Muscle cramping and weakness can result from the electrolyte losses of the illness  [muscle
      cramps]
    - Losing around 3 to 5% of body weight in fluid brings on marked thirst
  SIGNS - what you find (3)
    - Shock from fluid loss can show as low urine output, cool clammy skin, poor skin tenting,
      sunken eyes, and deep acidotic breathing  [dehydration · shock · sweating]
    - At around 5 to 8% fluid loss, exam shows a drop in blood pressure on standing, weakness, a
      fast pulse, tiredness, and dry mucous membranes  [dehydration · fatigue]
    - Beyond about 10% fluid loss, exam shows minimal urine, a weak or absent pulse, sunken eyes,
      wrinkled skin, and drowsiness progressing toward coma  [absent pulse · coma · dehydration ·
      drowsiness]
  TESTS (6)
    - Labs commonly show low potassium, low calcium, metabolic acidosis, and sodium levels that
      track with the fluid loss
    - Children can develop severe low blood sugar with confusion, seizures, or coma
    - No fixed lab or imaging result is required to diagnose or manage the illness
    - Stool culture remains the reference test for confirming the organism but takes too long for
      urgent decisions
    - Treatment should start on clinical grounds and never wait on lab confirmation
    - Bedside dipstick-style tests are cheap and fast for field use, but are not considered reliable
      enough for routine point-of-care diagnosis
  IF NOT THIS - what else fits (4)
    - In young children living where the illness is common, giardia, rotavirus, and cryptosporidium
      are frequent alternative causes
    - In older children and adults in the same settings, toxin-producing E coli is a common
      alternative cause
    - Other watery-diarrhea causes to weigh include toxin-producing E coli, other cholera
      serogroups, Campylobacter, nontyphoidal Salmonella, Aeromonas, norovirus, adenovirus, and
      rotavirus
    - Bloody diarrhea instead points toward Shigella, Campylobacter, invasive or hemorrhagic E coli,
      nontyphoidal Salmonella, amoebae, or schistosomiasis
  Score   WHO dehydration classification (child with diarrhoea) - How dehydrated is this child, and
          which rehydration plan?
  Source  StatPearls "Cholera (Vibrio cholerae Infection)" - disease-level clinical article
  Status  traced to the source above

1. ORS                                                    [1st line]
   Adult    Reconstitute 1 sachet in 1 L clean water; drink 1000 mL/hour in severe fluid loss until
            rehydrated, then replace ongoing stool losses volume-for-volume - Until diarrhoea ceases
            (usually 3-5 days)
   Peds     Rehydrate with 75 mL/kg over 4 hours, then replace ongoing purging losses (10-20 mL/kg
            per loose stool)
   Source   WHO Cholera Outbreak Guidelines 2023
   Why      Oral rehydration solution replaces the massive fluid and electrolyte losses of the
            secretory diarrhoea caused by cholera; rehydration is itself the life-saving treatment
            here, not an adjunct to one.
   Caution  LIFE-SAVING FIRST LINE: Oral rehydration salts reduce mortality from 50% to <1%.
            Severe dehydration with shock requires IMMEDIATE IV Ringer's Lactate fluid
            resuscitation.
            Report suspect cases immediately to public health authorities.
   Egypt    GLUCOHYDRAN 10 SACHET.           ARAB DRUG COM...     1.75 EGP
            REHYDRAN N 10 SACHET             CID                  4.50 EGP
            REHYDRO ZINC 10 SACHETS          CID                  7.00 EGP
            ORS 20 SACHETS                   PHAROPHARMA         40.00 EGP
            ELECTRO MASH SYRUP 200 ML        MASH PREMIERE       60.00 EGP
            FLEXOLYTE ORAL REHYDRATION SOL. 240 ML KEMPETRO FOR CHEMICAL INDUSTRIES        65.00 EGP
            HERO ORS 200 ML                  HERO > HERO M...   120.00 EGP
            SANSO ORS SYRUP 140 ML           AUG PHARMA         400.00 EGP

2. REFERRAL & SAFETY-NETTING (NO DRUG THERAPY)            [1st line]
   Adult    
   Source   Cholera (Vibrio cholerae Infection) - disease-level clinical article (cholera-suspected-
            clinical.txt)
   Why      Carries the referral criteria and warning signs for this condition, which apply
            whichever treatment is chosen.
   Caution  RED FLAG - Emergent intravenous rehydration is required for severe dehydration or
            hypovolemic shock.

3. DOXYCYCLINE                                            [add-on - not a substitute]
   Adult    300 mg single dose - single dose
   Peds     Single dose: 2-4 mg/kg (max 300 mg) for children >=8 years; for <8 years give
            Azithromycin 20 mg/kg single dose
   Source   WHO Cholera Outbreak Guidelines 2023
   Why      Single-dose antibiotic therapy reduces stool volume and duration of Vibrio cholerae
            shedding
   Caution  Antibiotics are ADJUNCT to fluid replacement, never a substitute.
            Contraindicated in pregnancy and children <8 years (use Azithromycin instead). The
            Egyptian National Drug Formulary - Antimicrobial 2023, doxycycline monograph, sets the
            same limit: under 8 years the drug is held back for infections that are severe or
            potentially life-threatening, or for when there is no better alternative to hand.
   Egypt    FARCODOXIN 100MG 10 CAPS.        PHARCO              11.00 EGP (1.10/unit)
            DOXY M.R.100 MG 10 CAPS.         ADWIA               12.00 EGP (1.20/unit)
            GRANUDOXY 100MG 10 F.C. TAB.     GLOBAL NAPI P...    12.00 EGP (1.20/unit)
            DOXYDOX 100 MG 10 CAPS.          EIPICO              23.00 EGP (2.30/unit)
            DOXYMYCIN 100 MG 10 CAPS.        EL NILE.            30.00 EGP (3.00/unit)
            TABOCINE 100MG 10 CAPS.          TABUK PHARMAC...    46.00 EGP (4.60/unit)
            VIBRAMYCIN 100MG 10 CAPS.        PFIZER              65.00 EGP (6.50/unit)

4. AZITHROMYCIN                                           [add-on - not a substitute]
   Adult    1000 mg single dose - single dose
   Peds     20 mg/kg/dose  [child max 1000 mg]
            (20 mg/kg single dose (max 1000 mg) in children)
            3kg -> 60 mg/dose    4kg -> 80 mg/dose    5kg -> 100 mg/dose   6kg -> 120 mg/dose
            7kg -> 140 mg/dose   8kg -> 160 mg/dose   9kg -> 180 mg/dose   10kg -> 200 mg/dose
            11kg -> 220 mg/dose  12kg -> 240 mg/dose  13kg -> 260 mg/dose  14kg -> 280 mg/dose
            15kg -> 300 mg/dose  16kg -> 320 mg/dose  17kg -> 340 mg/dose  18kg -> 360 mg/dose
            19kg -> 380 mg/dose  20kg -> 400 mg/dose  21kg -> 420 mg/dose  22kg -> 440 mg/dose
            23kg -> 460 mg/dose  24kg -> 480 mg/dose  25kg -> 500 mg/dose  26kg -> 520 mg/dose
            27kg -> 540 mg/dose  28kg -> 560 mg/dose  29kg -> 580 mg/dose  30kg -> 600 mg/dose
            31kg -> 620 mg/dose  32kg -> 640 mg/dose  33kg -> 660 mg/dose  34kg -> 680 mg/dose
            35kg -> 700 mg/dose  36kg -> 720 mg/dose  37kg -> 740 mg/dose  38kg -> 760 mg/dose
            39kg -> 780 mg/dose  40kg -> 800 mg/dose  41kg -> 820 mg/dose  42kg -> 840 mg/dose
            43kg -> 860 mg/dose  44kg -> 880 mg/dose  45kg -> 900 mg/dose  46kg -> 920 mg/dose
            47kg -> 940 mg/dose  48kg -> 960 mg/dose  49kg -> 980 mg/dose  50kg -> 1000 mg/dose
   AWaRe    WATCH group - carries resistance cost. Egyptian EML 2025.
   Choice   Azithromycin is the first choice here; zinc sulfate is a further option.
   Source   WHO Cholera Outbreak Guidelines 2023
   Why      Preferred antibiotic for pregnant women and children under 8 years
   Caution  Azithromycin is the first-line antibiotic choice in pregnant women and young children.
            Take on empty stomach if tolerated.
   Egypt    AZATRIBACT 500MG 3 CAPS.         RIVA PHARMA S...    13.50 EGP (4.50/unit)
            GIGAZOCIN 500MG 5 CAPS.          EGPI > PIONEER      27.50 EGP (5.50/unit)
            SYSTYMYCIN 500MG 3 CAPS.         EGPI > NOVELL...    21.50 EGP (7.17/unit)
            AZITHROMASH 500 MG 3 F.C. TABS.  MASH PREMIERE       48.00 EGP (16.00/unit)
            AZALIDE 500MG 3 CAPS.            UP PHARMA           52.00 EGP (17.33/unit)
            AZROLID 500 MG 6 F.C.TABS.       AMRIYA             126.00 EGP (21.00/unit)
            ZERAMERATE 500 MG                EGPI > GAMMA ...    28.50 EGP
            DISTABCIN 500 MG 3 DISPERSIBLE TABS. EGPI                                      43.50 EGP
            ZITHRODOSE 100MG/5ML SUSP. 15ML  EL-OBOUR > AV...    12.00 EGP
                -> ? strength differs, ? different route - not oral solid
            ZITHROPHATE 200MG/5ML SUSP. 15ML ORGANO PHARMA...    12.75 EGP
                -> ? strength differs, ? different route - not oral solid

5. ZINC SULFATE                                           [add-on - not a substitute]
   Adult    Child under 6 months: 10 mg once daily for 10 days; Child 6 months to 5 years: 20 mg
            once daily x 10 days
   Peds     Under 6 months: 10 mg once daily for 10 days
            6 months to 5 years: 20 mg once daily for 10 days
            (Child under 6 months: 10 mg once daily for 10 days. Child from 6 months to 5 years: 20
            mg once daily for 10 days (MSF Essential Drugs 2024, zinc sulfate monograph p.339).)
   Source   MSF Essential Drugs 2024
   Why      Paediatric micronutrient adjunct to oral rehydration solution to reduce duration and
            severity of acute cholera diarrhoea.
   Caution  Zinc deficiency impairs appetite and immune recovery.
            Give between meals for optimal absorption.
            Complete the full 10-day course even after the diarrhoea stops.
            Egyptian products are zinc sulfate syrups, not the dispersible tablet the guideline
            describes. Give the stated milligram dose, measured from the strength printed on the
            bottle.
   Egypt    ZINC SULFATE 10MG/5ML POWDER FOR SYRUP CID                                      5.00 EGP
            SALFOVEROSE 20MG/5ML SYRUP 120ML AVERROES PHAR...    11.70 EGP
            ZINCORHEA SYRUP 80 ML            PHARCO              15.50 EGP
            SULFOZINC 10MG/5ML PD. FOR SUSP. 80ML CID                                      22.00 EGP
            SULFOZINC 20MG/5ML SYRUP 80ML    CID                 24.00 EGP
            ZINCOMIST 10MG/5ML SYRUP 120 ML  ORCHIDIA            50.00 EGP
            AGNATIX SYRUP 60 ML              ORGANIX > INN...    59.00 EGP
            ZINCOMEZ 120 ML SYRUP            ORGANIX > MEZ...    85.00 EGP
            ZINC-SEDICO 10MG/5ML PD. FOR ORAL SOL. SEDICO                                   7.00 EGP
                -> ? strength differs, ? different route - not oral liquid
            ZINC-SEDICO 20MG/5ML PD. FOR ORAL SOL. SEDICO                                   8.00 EGP
                -> ? strength differs, ? different route - not oral liquid

Prices are indicative (dataset snapshot 2026-06); verify with the pharmacy.
```

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Dawaa Reference is a reference for prescribers, not a medical device, and does not replace clinical judgement.

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