Prescription requiredAntibiotic

C-Tax 500 Inj — Side Effects & Warnings

Known side effects of C-Tax 500 Inj include Injection site pain/inflammation, diarrhea, nausea, vomiting, rash, headache, dizziness, elevated liver enzymes, eosinophilia, thrombocytopenia, leukopenia. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026

Common Side Effects

Injection site pain/inflammation
diarrhea
nausea
vomiting
rash
headache
dizziness
elevated liver enzymes
eosinophilia
thrombocytopenia
leukopenia

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Prescription antibiotic—use only for bacterial infections. Do not use if allergic to cefotaxime/other cephalosporins; caution with history of penicillin allergy. Monitor for severe diarrhea (possible C. difficile colitis), hypersensitivity reactions, and superinfection with prolonged use. Dose adjustment may be needed in renal impairment; monitor kidney function and blood counts during long courses. Use caution in patients with bleeding disorders or on anticoagulants.

Drug Interactions

C-Tax 500 Inj may interact with the following:

Aminoglycosides (increased nephrotoxicity risk)
loop diuretics like furosemide (increased nephrotoxicity risk)
probenecid (may increase cefotaxime levels)
oral anticoagulants/warfarin (may increase bleeding risk)
live bacterial vaccines such as typhoid (reduced vaccine effect)

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution

Alcohol Interaction

Use with caution

Habit Forming

Storage

Store at or below 25°C, protected from light and moisture. Keep in original pack. After reconstitution, use immediately or within the timeframe recommended on the label; discard unused solution.

C-Tax 500 Inj — Safety Summary

Composition: Cefotaxime sodium 500 mg (equivalent to cefotaxime 500 mg) injection
Prescription: Required (Rx)
Pregnancy: Use with caution
Alcohol: Use with caution
Habit forming: No

C-Tax 500 Inj — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

C-Tax 500 Inj — Side Effects & Warnings

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026