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Overview: Cefotetan is an antibiotic used to treat certain infections caused by bacteria. It works by killing the bacteria that cause the infection. Common side effects include nausea, diarrhea, or pain, itching, swelling, or redness near the injection site. Serious side effects are much less common, but can include a type of diarrhea that is difficult to treat. Notify your healthcare provider right away if you develop watery or bloody diarrhea.

Uses

What is cefotetan used for?

Cefotetan is an antibiotic that is commonly used to prevent infections during surgery or for the following infections caused by certain bacteria (bacterial infection).

Cefotetan may not be appropriate for some of the infections listed above, depending on which germs are causing the infection. Bacteria in some locations may have developed resistance to cefotetan, which will make it not work as well. 

Cefotetan may also be used for other conditions as determined by your healthcare provider.

How does cefotetan work (mechanism of action)?

Cefotetan kills certain bacteria by preventing them from being able to create their cell wall.

How is cefotetan supplied (dosage forms)?

Cefotetan is available in an injectable form that is given by a healthcare provider.

How should I store cefotetan?

Cefotetan is usually given by a healthcare provider in a hospital or clinic. You will not store it at home.

Side Effects

What are the most common side effects of cefotetan?

The most common side effects of cefotetan are listed below. Tell your healthcare provider if you have any of these side effects that bother you.

  • Diarrhea
  • Nausea
  • Pain, itching, swelling, or redness near the injection site

There may be other side effects of cefotetan that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at www.fda.gov/medwatch or by calling 800-FDA-1088. In Canada, you can report side effects to Health Canada at www.health.gc.ca/medeffect or by calling 866-234-2345.

What are the serious side effects of cefotetan?

While less common, the most serious side effects of cefotetan are described below, along with what to do if they happen.

Severe Allergic Reactions. Cefotetan may cause allergic reactions, which can be serious. Stop using cefotetan and get help right away if you have any of the following symptoms of a serious allergic reaction.

  • Breathing problems or wheezing
  • Racing heart
  • Fever or general ill feeling
  • Swollen lymph nodes
  • Swelling of the face, lips, mouth, tongue, or throat
  • Trouble swallowing or throat tightness
  • Itching, skin rash, or pale red bumps on the skin called hives
  • Nausea or vomiting
  • Dizziness, feeling lightheaded, or fainting
  • Stomach cramps
  • Joint pain

Antibiotic-associated Diarrhea. An overgrowth of germs called Clostridioides difficile, or “C. diff,” can happen in your gut with many types of antibiotics, including cefotetan. This can cause a condition known as antibiotic-associated diarrhea and can happen even up to two months after stopping the antibiotic. Call your healthcare provider right away if you have any of the following symptoms of this condition.

  • Watery diarrhea
  • Diarrhea that does not go away
  • Blood in your stool (poop)
  • Severe stomach cramps
  • Fever that starts after you start or finish the medicine

Blood Disorders. Cefotetan can cause blood disorders, such as agranulocytosis, aplastic anemia, hemolytic anemia, low platelet levels (thrombocytopenia), and low white blood cell levels (leukopenia or neutropenia). Stop using cefotetan and get help right away if you have any of the following symptoms of blood disorders.

  • Fever, chills, or sweats
  • Sore throat
  • Cough or shortness of breath
  • Pale or yellowish skin
  • Easy bruising or bleeding
  • Frequent infection
  • Unusual weakness or tiredness
  • Dizziness, lightheadedness, or feeling like you are about to pass out
  • Headache
  • Fast or abnormal heartbeat
  • Mouth or throat sores
  • Swollen lymph nodes

Liver Damage. Liver damage, also called hepatotoxicity, can happen when using cefotetan. Call your healthcare provider right away if you have any of the following symptoms of liver damage.

  • Nausea or vomiting
  • Stomach or belly pain
  • Fever
  • Weakness or unusual tiredness
  • Itching
  • Loss of appetite
  • Light-colored poop
  • Dark-colored urine
  • Your skin or the whites of your eyes turning yellowish in color (also called jaundice)

Kidney Damage. Kidney damage can happen when using cefotetan. Call your healthcare provider right away if you have any of the following symptoms of kidney damage.

  • Reduced need to pee
  • Swelling in your feet, ankles, or legs
  • Weakness or unusual tiredness
  • Difficulty catching your breath or chest pain/pressure
  • Confusion
  • Nausea
  • Seizures

Severe Skin Reactions. Cefotetan can cause severe skin reactions called Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN) that can lead to death if not treated. If you develop a rash, stop cefotetan and call your healthcare provider right away. Get emergency help right away if you have any of the following symptoms of SJS or TEN.

  • Painful red or purple skin that looks burned and peels off
  • Flat red rash or blisters on your skin, mouth, nose, and genitals
  • Red, painful, watery eyes

Seizures. Some people who have used cefotetan have reported having seizures. There are many different types of seizures and some of them are not easy to recognize. Stop using cefotetan and call your healthcare provider if you have any of the following signs that a seizure is happening or could happen.

  • Muscle twitching, jerking, spasms, tremors, or other uncontrolled movements
  • Stiffening of your arms and legs
  • Feeling anxious, nervous, confused, or a sense of dread
  • Feeling dizzy or lightheaded
  • Falling or losing consciousness

Another Infection With Prolonged Use. Using cefotetan for a prolonged period of time may lead to an infection with other types of germs, such as fungi. Call your healthcare provider if your infection does not improve or gets worse.

Warnings & Precautions

Who should not use cefotetan?

Allergies to Ingredients. People who are allergic to any of the following should not use cefotetan.

  • Cefotetan
  • Cefotan
  • Any of the ingredients in the specific product dispensed

Your pharmacist can tell you all of the ingredients in the specific cefotetan products they stock.

What should I know about cefotetan before using it?

Cefotetan is usually given by a healthcare provider in a hospital or clinic.

If you will store cefotetan at home, do not share it with other people, even if they have the same condition as you. It may harm them. Keep cefotetan out of the reach of children.

Cefotetan only treats certain infections caused by bacteria. Cefotetan will not work for viral infections, such as the common cold, influenza, or coronavirus. It also will not work for any other non-bacterial infections. Using cefotetan or any other antibiotic when it is not needed (infections other than those caused by bacteria, or the lack of an infection in general) may cause the antibiotic to not work for bacterial infections in the future.

People who are 65 or older can be at greater risk for bleeding from cefotetan. Talk to your healthcare provider about your risks if you are in this age group.

What should I tell my healthcare provider before using cefotetan?

Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. This will help them determine if cefotetan is right for you.

In particular, make sure that you discuss any of the following.

  • An allergy to penicillins and/or cephalosporins
  • Liver problems
  • Kidney problems
  • History of antibiotic-associated diarrhea
  • History of gastrointestinal problems
  • Poor nutritional status
  • Cancer
  • Increased risk for bleeding

Other Medicines and Supplements. Cefotetan may interact with other medicines and supplements. Before using cefotetan, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section for more details.

Pregnancy. It is not known if or how cefotetan could affect pregnancy or harm an unborn baby. Tell your healthcare provider if you are or plan to become pregnant. Your healthcare provider will advise you if you should use cefotetan while you are pregnant or trying to get pregnant.

Breastfeeding. Cefotetan passes into breast milk. Tell your healthcare provider if you are breastfeeding or plan to breastfeed. Your healthcare provider will advise you if you should use cefotetan while breastfeeding.

Interactions

Does cefotetan interact with foods or drinks?

There are no known interactions between cefotetan and foods or drinks.

Using cefotetan with alcohol may cause problems such as flushing, sweating, headache, and a rapid heart beat. It is best to limit alcohol while using cefotetan.

Does cefotetan interact with other medicines (drug interactions)?

Always tell your healthcare provider about any prescription or OTC medicines, vitamins/minerals, herbal products, and other supplements you are using.

In particular, make sure that you discuss if you are using any aminoglycoside antibiotic, such as amikacin or gentamicin, which is given by injection to treat infections, before using cefotetan.

This may not be a complete list of medicines that can interact with cefotetan. Always check with your healthcare provider.

Does interact with other drugs you are taking?

Enter your medication into the WebMD interaction checker

Overdose/Missed Dose

What should I do if I accidentally use too much cefotetan?

If you or someone else has used too much cefotetan, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.

What should I do if I miss a dose of cefotetan?

Cefotetan is usually given by a healthcare provider in a hospital. Your healthcare provider will make sure you are receiving cefotetan as scheduled.

It is important to complete your prescribed course of cefotetan, even if your symptoms get better or go away. This will reduce the risk that future infections are resistant to cefotetan or other similar medicines.