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Cephalosporins

Drug Class: Commonly Known As: Category:
Antibiotics Adult, Children

Cephalosporins - Side Effects, Precautions, and Contraindications

What side effects can Cephalosporins cause?

​Some common side effects that you may experience include:

  • Mild diarrhoea
  • Stomach pain
  • Nausea or vomiting

Taking the medication with food may reduce these symptoms.

Some rare but serious side effects include:

  • Serious diarrhoea that does not stop, blood or mucus in your stools
  • Very bad stomach pain or cramps
  • Signs of an infection such as fever, chills, bad sore throat, pain when you pass urine or have mouth sores or wounds that do not heal
  • Signs of low platelet levels such as unusual bleeding or bruising
  • Signs of liver injury, which may include dark coloured urine, light coloured stools, severe nausea and vomiting, loss of appetite, stomach pain or yellowing of skin or eyes

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Cephalosporins, what precautions must I follow?

​Inform your healthcare professional if:

  • You are allergic to penicillins, such as Amoxicillin, and other cephalosporins
  • You are pregnant, planning to become pregnant, or breastfeeding
  • You are taking any other medications, including supplements, traditional medications and herbal remedies
  • You have kidney problems
  • You are taking warfarin, a medication to thin your blood
  • You are taking probenecid, a medication used to treat gout

Cephalosporins can affect the levels of other medications in your body. Do let your doctor know what other medications, including over-the-counter medications, vitamins and herbal products you are taking before starting on your antibiotic.

What food or medicine must I avoid when I take Cephalosporins?

​Take these medications 2 hours apart from probiotics.

Cephalosporins - Additional Information

  • Updated on Wednesday, March 31, 2021
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

    ​If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.

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