Invanz

Generic Name: Ertapenem

  • What is Invanz?

    Invanz is an antibiotic used to treat certain bacterial infections of the abdomen, skin, lungs, urinary tract, or pelvis. It is also used to prevent infections after colorectal surgery. Invanz may also be used to treat other bacterial infections, as determined by your doctor. Invanz is administered intravenously (through a vein in your arm) or intramuscularly (injected into the muscle).

  • What is the most important information I should know about Invanz?

    Your doctor will not administer Invanz to you if you are allergic to it, any of its ingredients, or similar antibiotics (such as penicillin, cefazolin, or cefepime). If you are allergic to similar antibiotics, it is possible for you to have an allergic reaction to this medication. Tell your doctor or seek medical attention immediately if you take Invanz and feel signs of an allergic reaction (such as a rash or difficulty breathing).

    Seizures or other central nervous system (CNS) disorders have been seen with the use of Invanz, especially if you have a history of seizures, other CNS disorders, or kidney problems. Also, Invanz can decrease the effects of certain seizure medications (such as divalproex sodium or valproic acid).

    Invanz can cause diarrhea or colitis (inflammation of the colon). This can occur a couple of months after taking the last dose of Invanz. Tell your doctor immediately if you have diarrhea or colitis.

  • Who should not take Invanz?

    Your doctor will not administer Invanz to you if you are allergic to it, any of its ingredients, or any similar antibiotics.

    Your doctor will not administer Invanz intramuscularly if you are allergic to local anesthetics (such as lidocaine).

    Your doctor will not administer Invanz to you to treat viral infections, such as the common cold or flu.

  • What should I tell my doctor before I take the first dose of Invanz?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Invanz. Also, talk to your doctor about your complete medical history, especially if you have allergies, history of seizures, other CNS disorders, kidney disease, are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Treatment of Infections

    Adults and children ≥13 years: The recommended dose is 1 gram (g) once a day. Your doctor will determine the duration of treatment based on the type and severity of your infection.

    If you have kidney impairment, your doctor will adjust your dose appropriately.

    Children 3 months-12 years: Your doctor will prescribe the appropriate dose for your child, based on their weight or the type and severity of their infection.

    Prevention of Infections after Surgery

    Adults: The recommended dose is 1 g, given 1 hour before surgery.

  • How should I take Invanz?

    Your doctor will administer Invanz for you in a hospital setting.

  • What should I avoid while taking Invanz?

    Do not miss your scheduled follow-up appointments with your doctor.

  • What are possible food and drug interactions associated with Invanz?

    If Invanz is used with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to tell your doctor if you are taking any of the following prior treatment with Invanz: divalproex sodium, probenecid, or valproic acid.

  • What are the possible side effects of Invanz?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: abdominal pain, allergic reactions, breathing problems, change in your sense of taste, chills, confusion, diarrhea, dizziness, fever, gas, headache, injection-site reaction or pain, irregular heartbeat, nausea, nervousness, rash, seizure, weakness, weight loss

  • Can I receive Invanz if I am pregnant or breastfeeding?

    The effects of Invanz during pregnancy are unknown. Invanz can be found in your breast milk if you receive it while breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Invanz?

    Invanz should be given under special circumstances determined by your doctor.

  • How should I store Invanz?

    Your doctor will store this medication for you.