Description
Cefstar (500mg) Injection is a broad-spectrum antibiotic that belongs to the third-generation cephalosporin class. It works by inhibiting bacterial cell wall synthesis, leading to bacterial death. It is effective against a wide variety of infections, including respiratory tract infections, urinary tract infections, skin infections, and septicemia. It is administered under medical supervision, usually in a hospital or clinical setting.
Ingredients
Drug Class
Dosage Form
Uses / Indications
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Respiratory tract infections (pneumonia, bronchitis)
 
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Urinary tract infections (UTIs)
 
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Skin and soft tissue infections
 
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Intra-abdominal infections
 
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Bone and joint infections
 
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Septicemia and meningitis
 
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Gynecological infections
 
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Prophylaxis before certain surgeries
 
Dosage
💉 Dosage is determined by a physician depending on infection severity and patient condition.
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Adults: 1–2g once daily (can be divided into two doses); maximum 4g/day
 
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Children: 20–80mg/kg daily (dose adjusted by weight and severity)
 
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Elderly & Renal Impairment: Dose adjustment may be required
 
In Case of Overdose
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Symptoms: Nausea, vomiting, diarrhea, convulsions, CNS toxicity (rare)
 
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Management: Symptomatic treatment, supportive care; dialysis may help remove the drug
 
Missed Dose
How To Use
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Reconstitute with sterile water or recommended diluent before use
 
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Administered via intravenous (IV) injection, infusion, or intramuscular (IM) injection
 
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To be given by trained healthcare professionals only
 
When Not to Use / Contraindications
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Known hypersensitivity to ceftriaxone, cephalosporins, or penicillins
 
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Newborns with hyperbilirubinemia (risk of kernicterus)
 
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Patients with severe allergy history (anaphylaxis) to beta-lactam antibiotics
 
Side Effects
Common:
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Diarrhea, nausea, vomiting
 
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Pain, redness, or swelling at injection site
 
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Mild rash or itching
 
Serious (rare):
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Severe allergic reactions (anaphylaxis)
 
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Clostridium difficile–associated diarrhea
 
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Liver enzyme abnormalities
 
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Blood disorders (anemia, leukopenia, thrombocytopenia)
 
Precautions & Warnings
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Use cautiously in patients with liver or kidney dysfunction
 
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Prolonged use may result in fungal or resistant bacterial superinfection
 
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Monitor liver and kidney function with prolonged therapy
 
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Not effective against viral infections (flu, cold)
 
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Pregnant and breastfeeding women should use only under medical advice
 
Drug Interactions
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Calcium-containing IV solutions (risk of precipitation with ceftriaxone)
 
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Warfarin (increased bleeding risk)
 
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Aminoglycosides (enhanced nephrotoxicity)
 
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Probenecid (may increase ceftriaxone levels)
 
Storage / Disposal
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Store below 25°C in a dry place
 
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Protect from light and moisture
 
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Use immediately after reconstitution
 
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Discard unused solution safely
 
Control Drug / Prescription Status
Quick Tips
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Complete the full prescribed course even if symptoms improve early
 
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Report any severe diarrhea or allergic reaction immediately
 
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Do not self-inject; must be administered in a clinical or hospital setting
 
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Stay well-hydrated during treatment