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MRP: Rs. 10.62 for 1 vial(s) (1 ML injection each)
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Composition for NEOCLOX


food interaction for NEOCLOX

alcohol interaction for NEOCLOX

pregnancy interaction for NEOCLOX

lactation interaction for NEOCLOX

It is better to take Neoclox 500mg injection empty stomach (1 hour before food or 2 hours after food).
Interaction with alcohol is unknown. Please consult your doctor.
Neoclox 500mg injection is probably safe to use during pregnancy.
Either animal studies have shown no adverse effect on the fetus, but there is no human studies or animal studies have shown an adverse effect that was not confirmed in human studies. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.




Neoclox 500mg injection is used to treat bacterial infections in the body affecting the ear, nose, throat, lungs (pneumonia), skin and skin structure infections, urinary bladder infection (cystitis), infection of the valves of the heart and  bone infections. It is also used to treat leprosy and to prevent infection during surgery.

How it works

Neoclox 500mg injection belongs to penicillin group of antibiotics. It kills the bacteria which are actively multiplying in the body, by inhibiting the formation of their cell wall.

Common side effects

Nausea, Rash, Abdominal cramp, Abdominal pain, Allergic reaction, Shortness of breath, Black hairy tongue, Bleeding, Bruise, Convulsion, Diarrhoea, Tongue swelling, Lip swelling, Sore tongue, Sore mouth, Urine discolouration, Urticaria, Vaginal itching, Vaginal discharge, Vomiting, Fatigue, White patches on the tongue, Yellow discoloration of skin, Yellow discoloration of eye


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Top General Physicians

  • Dr. M. K. Singh
    MBBS, MD
  • Dr. Prabhat Kumar Jha
    MBBS, MD
  • Dr. Joy Chakraborty
    MBBS, MD
  • Dr. R. S. Rawat
    MBBS, MD
  • Dr. R. R. Dutta
    MBBS, MD

Expert advice for NEOCLOX

  • It should not be taken by patients who are allergic to cloxacillin or any of the other penicillins or cephalosporin.
  • Cloxacillin may decrease the effectiveness of birth control pills. Use a second method of birth control while taking cloxacillin to protect against pregnancy.
  • Consult your doctor before taking cloxacillin, if you are pregnant or breast-feeding.
  • If you are on long-term treatment with cloxacillin, your kidney and liver function, and your blood cell count may have to be done regularly.

Frequently asked questions for NEOCLOX


Q. Is cloxacillin a penicillin/antibiotic?
Cloxacillin belongs to a class of medication called penicillin antibiotics. It does not contain penicillin but is structurally similar to it. It is is used to treat bacterial infections in the body affecting the ear, nose, throat, lungs (pneumonia), skin and skin structure infections, urinary bladder infection (cystitis), infection of the valves of the heart, bone infections, especially those caused by the resistant staphylococcus bacteria.

Q. What does it treat?
 It is also used to treat leprosy and lepra-reaction seen in leprosy, and to prevent infection during surgery.
Q. Is cloxacillin the same as amoxicillin?
Cloxacillin is not the same as amoxicillin, but they belong to the same class of medication called penicillin antibiotics.
Q. Is cloxacillin used for treating tonsillitis/ boils/acne/chlamydia/streptococcus infections?
Cloxacillin is not commonly used to treat tonsillitis/boils/acne/chlamydia. It may be used to treat streptococcus infections but is more commonly used for staphylococcus infections.
Q. Does cloxacillin cause weight gain or sleepiness?
These are no studies showing any relation between weight gain, sleepiness and cloxacillin use.

Q. Does it affect menstruation?
 It is not known to affect menstruation.
Q. Can I take Advil (ibuprofen)/ Tylenol (paracetamol) with cloxacillin?
There are no known interactions between cloxacillin and Advil (ibuprofen)/ Tylenol (paracetamol). But doctor’s advice should be followed about taking both the medications together.
Q. Is cloxacillin safe for G6PD?
Yes, cloxacillin can be safely used in patients who have deficiency of the enzyme glucose-6-phosphate dehydrogenase (G6PD).
Q. Does cloxacillin expire?
Cloxacillin has an expiry date, beyond which it should not be consumed. Please refer to the pack or package insert for the expiry date.


Content on this page was last updated on 23 September, 2016, by Dr. Varun Gupta (MD Pharmacology)