Dawaa Reference

emergency

Acute Cholecystitis (Emergency Referral)

Treatment options, dosing, cautions and Egyptian brands from the shipped Dawaa Reference card.

Evidence status

Checked against the sources named below

Sources5 sources

Acute Cholecystitis - StatPearls, updated 6 July 2025 - https://www.ncbi.nlm.nih.gov/books/NBK459171/ · Egyptian National Drug Formulary - Antimicrobial 2023 (ceftriaxone monograph, p255) · Egyptian National Drug Formulary - Antimicrobial 2023 (metronidazole monograph, p306) · Egyptian National Drug Formulary - Antimicrobial 2023 (ceftriaxone monograph, p255) - general adult dosage 1 to 2 g intravenously or intramuscularly once daily or divided twice daily, maximum 4 g daily, with community-acquired intra-abdominal infection among the named indications. · Egyptian National Drug Formulary - Antimicrobial 2023 (metronidazole monograph, p306) - intra-abdominal infection, oral or intravenous 500 mg every 8 hours as part of an appropriate combination regimen, for 4 to 7 days following adequate source control.

Verified against5 documents
  • Acute Cholecystitis - StatPearls, updated 6 July 2025 - https://www.ncbi.nlm.nih.gov/books/NBK459171/
  • Egyptian National Drug Formulary - Antimicrobial 2023 (ceftriaxone monograph, p255)
  • Egyptian National Drug Formulary - Antimicrobial 2023 (metronidazole monograph, p306)
  • Egyptian National Drug Formulary - Antimicrobial 2023 (ceftriaxone monograph, p255) - general adult dosage 1 to 2 g intravenously or intramuscularly once daily or divided twice daily, maximum 4 g daily, with community-acquired intra-abdominal infection among the named indications.
  • Egyptian National Drug Formulary - Antimicrobial 2023 (metronidazole monograph, p306) - intra-abdominal infection, oral or intravenous 500 mg every 8 hours as part of an appropriate combination regimen, for 4 to 7 days following adequate source control.

Verified date2026-08

Presentation reference

Is it this?

Reference only, to read alongside your own examination.

Symptoms — what the patient reports (4)

  • Worsening right upper abdominal pain with bloating, nausea, vomiting, and trouble tolerating greasy or spicy food develops gradually in the chronic form [abdominal distension · abdominal pain · nausea · right upper quadrant pain · vomiting]
  • Pain can radiate to the mid-back or right shoulder, and intermittent episodes may go on for years before diagnosis
  • The acute form has the same symptoms but more severe, and can be confused with a cardiac problem
  • Attacks often follow eating high-fat food

Signs — what you find (1)

  • Murphy's sign, the patient stops breathing in when the examiner presses on the right upper quadrant, is the classic finding [apnoea]

Tests (7)

  • CBC and metabolic panel can be normal in the chronic form but often show a raised white count and liver enzymes in acute or severe disease
  • A raised bilirubin raises concern for a stone blocking the common bile duct, though labs can stay normal even in advanced disease
  • Amylase and lipase are checked to rule out pancreatitis
  • CT often serves as the first scan in the ER, showing a distended, thick-walled gallbladder, fluid around it, dense stones, and surrounding inflammation
  • Ultrasound is the preferred imaging test, showing a gallbladder wall thicker than 3 mm, edema, fluid around the gallbladder, and stones
  • A HIDA scan can clarify the diagnosis when ultrasound or CT are inconclusive; failure of the gallbladder to fill with tracer confirms cystic duct blockage
  • Adding cholecystokinin during a HIDA scan can reveal acalculous cholecystitis when no stones are present, and an ejection fraction under 35% suggests biliary dyskinesia

If not this — what else fits (4)

  • Biliary colic, a bile duct stone, or cholangitis are the closest biliary-tract mimics
  • Pancreatitis, hepatitis, or gastritis can present with similar upper abdominal pain
  • A hiatal hernia or peptic ulcer disease should also be considered
  • Appendicitis, mesenteric ischemia, or a small bowel obstruction round out the differential

SourceStatPearls "Acute Cholecystitis" - disease-level clinical article

Presentation findings are traced to the source above.

Combination safety

Combination regimens

!! MULTI-DRUG REGIMEN - all 2 drugs are given TOGETHER. Not a choice between them.

!! the regimen: Ceftriaxone + Metronidazole

Rx: Empiric cover on admission, gram-negatives and anaerobes | Main treatment

EMPIRIC COVER ON ADMISSION, GRAM-NEGATIVES AND ANAEROBES - give all together

1

CEFTRIAXONE

Empiric cover on admission, gram-negatives and anaerobes

Regimen: cholecystitis-empiric

1 of 2 - GIVE ALL TOGETHER

Strength1000 mg

Forminjection

Adult dose and duration

1 to 2 g intravenously or intramuscularly once daily, or the same total split into two doses. Maximum 4 g daily. - From admission until cholecystectomy - this is cover while the operation is arranged

Paediatric dose

50-75 mg/kg/dose [child max 1000 mg]

(Infants, children and adolescents, mild to moderate infection: 50 to 75 mg/kg per dose intramuscularly or intravenously once daily, maximum 1,000 mg per day; given once daily, that is also the per- dose ceiling above. Severe infection is dosed separately at 100 mg/kg/day divided every 12 to 24 hours. Acute cholecystitis is uncommon in childhood and usually acalculous or haemolytic in origin, and it is admitted.)

Dose by weight
3kg150-225 mg/dose
4kg200-300 mg/dose
5kg250-375 mg/dose
6kg300-450 mg/dose
7kg350-525 mg/dose
8kg400-600 mg/dose
9kg450-675 mg/dose
10kg500-750 mg/dose
11kg550-825 mg/dose
12kg600-900 mg/dose
13kg650-975 mg/dose
14kg700-1000 mg/dose (upper capped)
15kg750-1000 mg/dose (upper capped)
16kg800-1000 mg/dose (upper capped)
17kg850-1000 mg/dose (upper capped)
18kg900-1000 mg/dose (upper capped)
19kg950-1000 mg/dose (upper capped)
20kg1000 mg/dose (capped)
21kg1000 mg/dose (capped)
22kg1000 mg/dose (capped)
23kg1000 mg/dose (capped)
24kg1000 mg/dose (capped)
25kg1000 mg/dose (capped)
26kg1000 mg/dose (capped)
27kg1000 mg/dose (capped)
28kg1000 mg/dose (capped)
29kg1000 mg/dose (capped)
30kg1000 mg/dose (capped)
31kg1000 mg/dose (capped)
32kg1000 mg/dose (capped)
33kg1000 mg/dose (capped)
34kg1000 mg/dose (capped)
35kg1000 mg/dose (capped)
36kg1000 mg/dose (capped)
37kg1000 mg/dose (capped)
38kg1000 mg/dose (capped)
39kg1000 mg/dose (capped)
40kg1000 mg/dose (capped)
41kg1000 mg/dose (capped)
42kg1000 mg/dose (capped)
43kg1000 mg/dose (capped)
44kg1000 mg/dose (capped)
45kg1000 mg/dose (capped)
46kg1000 mg/dose (capped)
47kg1000 mg/dose (capped)
48kg1000 mg/dose (capped)
49kg1000 mg/dose (capped)
50kg1000 mg/dose (capped)
AWaRe

WATCH group - carries resistance cost. Egyptian EML 2025.

Dose source

Egyptian National Drug Formulary - Antimicrobial 2023 (ceftriaxone monograph, p255) - general adult dosage 1 to 2 g intravenously or intramuscularly once daily or divided twice daily, maximum 4 g daily, with community-acquired intra-abdominal infection among the named indications.

Why

The cholecystitis article's initial management is intravenous fluid resuscitation and prompt broad-spectrum antibiotics effective against gram-negative rods and anaerobes, followed by early laparoscopic cholecystectomy during the same admission because early surgery lowers morbidity and mortality against delayed surgery. Ceftriaxone is the formulary's agent for the gram-negative half. Eight 1 g products are marketed in Egypt.

Cautions
  • GIVEN WITH METRONIDAZOLE, NOT ALONE - the article asks for cover against gram-negative rods AND anaerobes.
  • The admission comes first and this is not started in a clinic. It is here so that the referral is an informed one and so a GP recognises the regimen the patient comes back on.
  • Right upper quadrant pain that does not settle, with fever and systemic upset and a positive Murphy's sign, is not prolonged biliary colic. Colic settles; cholecystitis does not.
  • Contraindicated in penicillin or cephalosporin hypersensitivity, and in the neonate receiving calcium-containing intravenous fluids.
  • Where renal and hepatic impairment coexist, the formulary caps the daily dose at 2 g.
  • Jaundice, rigors or a septic-looking patient suggests cholangitis or a stone in the common bile duct rather than simple cholecystitis, and changes the urgency.
Egyptian brands
Egyptian brandManufacturerIndicative price
ZOXIDEL 1 GM PD. FOR I.M. INJ.RAMEDA > DELTA PHARMA22.00 EGP
CEFTRIAXONE SODIUM 1 GM I.M.VIAL (KAHIRA)KAHIRA29.00 EGP
ZOXIDEL 1 GM PD. FOR I.V. INJ.RAMEDA > DELTA PHARMA29.00 EGP
WINTRIAXONE 1 GM PD. FOR I.V INJ.SANOFI48.00 EGP
VOTRIAXONE 1 GM I.M VIALCHEMIPHARM56.00 EGP
OFRAMAX 1 GM I.M. VIALRAMEDA > SUN PHARMA EGYPT LIMITED71.00 EGP
TRIAXONE 1 GM I.M. VIALTABUK PHARMACEUTICAL MANUFACTURING COMPANY > TABUK PHARMA106.00 EGP
TRIAXONE 1 GM I.V VIALTABUK PHARMACEUTICAL MANUFACTURING COMPANY > TABUK PHARMA106.00 EGP
2

METRONIDAZOLE

Empiric cover on admission, gram-negatives and anaerobes

Regimen: cholecystitis-empiric

2 of 2 - GIVE ALL TOGETHER

Strength500 mg

Forminjection

Adult dose and duration

500 mg intravenously or orally every 8 hours, as part of a combination - From admission until cholecystectomy - this is cover while the operation is arranged

Paediatric dose

22.5-40 mg/kg/day [child max 4000 mg]

(Infants, children and adolescents, intravenous: 22.5 to 40 mg/kg/day in 3 or 4 divided doses, maximum 4,000 mg per day. The oral band is different - 15 to 50 mg/kg/day in 3 divided doses, maximum 2,250 mg per day - so the route decides which applies; the grid above is the intravenous one.)

Dose by weight
3kg67.5-120 mg/day
4kg90-160 mg/day
5kg112.5-200 mg/day
6kg135-240 mg/day
7kg157.5-280 mg/day
8kg180-320 mg/day
9kg202.5-360 mg/day
10kg225-400 mg/day
11kg247.5-440 mg/day
12kg270-480 mg/day
13kg292.5-520 mg/day
14kg315-560 mg/day
15kg337.5-600 mg/day
16kg360-640 mg/day
17kg382.5-680 mg/day
18kg405-720 mg/day
19kg427.5-760 mg/day
20kg450-800 mg/day
21kg472.5-840 mg/day
22kg495-880 mg/day
23kg517.5-920 mg/day
24kg540-960 mg/day
25kg562.5-1000 mg/day
26kg585-1040 mg/day
27kg607.5-1080 mg/day
28kg630-1120 mg/day
29kg652.5-1160 mg/day
30kg675-1200 mg/day
31kg697.5-1240 mg/day
32kg720-1280 mg/day
33kg742.5-1320 mg/day
34kg765-1360 mg/day
35kg787.5-1400 mg/day
36kg810-1440 mg/day
37kg832.5-1480 mg/day
38kg855-1520 mg/day
39kg877.5-1560 mg/day
40kg900-1600 mg/day
41kg922.5-1640 mg/day
42kg945-1680 mg/day
43kg967.5-1720 mg/day
44kg990-1760 mg/day
45kg1012.5-1800 mg/day
46kg1035-1840 mg/day
47kg1057.5-1880 mg/day
48kg1080-1920 mg/day
49kg1102.5-1960 mg/day
50kg1125-2000 mg/day
Dose source

Egyptian National Drug Formulary - Antimicrobial 2023 (metronidazole monograph, p306) - intra-abdominal infection, oral or intravenous 500 mg every 8 hours as part of an appropriate combination regimen, for 4 to 7 days following adequate source control.

Why

The article asks for anaerobic cover explicitly and names no agent. Metronidazole is the formulary's anaerobe drug, dosed there for intra-abdominal infection as part of a combination, and Egypt stocks it as a ready-to-use 500 mg in 100 mL infusion.

Cautions
  • GIVEN WITH CEFTRIAXONE, NOT ALONE. It covers anaerobes only.
  • The admission comes first; this is what the receiving team gives.
  • No alcohol during treatment or for 3 days after, and not within 2 weeks of disulfiram.
  • Contraindicated in active neurological disorders, blood dyscrasia, hypothyroidism and hypoadrenalism, and in the first trimester where the indication is trichomoniasis.
  • Halve the dose in severe hepatic impairment (Child-Pugh C).
  • How long it runs after the operation is a separate question, and the two documents differ: the article gives antibiotics afterwards only where the gallbladder was gangrenous or perforated at operation, while the formulary's intra-abdominal figure is 4 to 7 days following adequate source control. Both are recorded; the operating team decides which applies.
  • Where surgery is not an option, the article's alternative is percutaneous drainage of the gallbladder, decided by the hospital team.
Egyptian brands
Egyptian brandManufacturerIndicative price
METRONIDAZOLE-OTSUKA 500MG /100ML I.V. INF. 100 MLOTSUKA20.00 EGP
FLAZOL 500MG/100ML I.V.INFUSIONEL NILE.31.00 EGP
AMRIZOLE 500 MG VIAL 100 MLAMRIYA47.00 EGP
METROFLAG 500MG/100ML VIAL FOR I.V. INF.ARABCOMED-EGYPT47.00 EGP

MAIN TREATMENT

3

REFERRAL & SAFETY-NETTING (NO DRUG THERAPY)

1st line
Adult dose and duration

Same-day hospital referral. Right upper quadrant pain with nausea, vomiting and intolerance of fatty food, plus Murphy's sign - inspiratory arrest during palpation of the right upper quadrant. This is not biliary colic that has gone on longer: colic settles, cholecystitis does not, and it is accompanied by fever and systemic upset. Ultrasound is the imaging of choice but the referral does not wait for it. - Refer, with advice

Paediatric dose

Rare in children and usually acalculous or associated with haemolytic disease; refer the same day.

Dose source

No dose - referral pathway, no medicine given in primary care

Cautions
  • Untreated, StatPearls records gallbladder perforation as killing 30% of those it happens to.
  • Hospital management is intravenous fluids and broad-spectrum antibiotics covering gram-negative rods and anaerobes, with laparoscopic cholecystectomy done early, on that same admission. (Acute Cholecystitis - StatPearls - NCBI Bookshelf, NBK459171) None of that is a primary-care prescription.
  • Do not treat as biliary colic with an antispasmodic and analgesia at home once there is fever or a positive Murphy's sign.
  • Jaundice, rigors or confusion suggest ascending cholangitis - that is an emergency admission, not a next-day referral.

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