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Drugs reference index «Ampicillin/Sulbactam»



Generic Name: Ampicillin/Sulbactam (AM-pi-SIL-in/sul-BAK-tam)Brand Name: Unasyn

Ampicillin/Sulbactam is used for:

Treating infections caused by certain bacteria.

Ampicillin/Sulbactam is a penicillin antibiotic. It works by blocking the bacteria's cell wall growth, which kills the bacteria.

Do NOT use Ampicillin/Sulbactam if:

  • you are allergic to any ingredient in Ampicillin/Sulbactam or to any other penicillin antibiotic (eg, amoxicillin)
  • you are taking a tetracycline antibiotic (eg, doxycycline)
  • you have mononucleosis ("mono")
  • you have recently received or will be receiving live oral typhoid vaccine

Contact your doctor or health care provider right away if any of these apply to you.

Before using Ampicillin/Sulbactam :

Some medical conditions may interact with Ampicillin/Sulbactam . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have had a severe allergic reaction (eg, severe rash, hives, difficulty breathing, dizziness) to a cephalosporin (eg, cephalexin) or other beta-lactam antibiotic (eg, imipenem)
  • if you have mononucleosis ("mono") or kidney problems

Some MEDICINES MAY INTERACT with Ampicillin/Sulbactam . Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Tetracyclines (eg, doxycycline ) because they may decrease Ampicillin/Sulbactam 's effectiveness
  • Probenecid because it may increase the risk of Ampicillin/Sulbactam 's side effects
  • Allopurinol because the risk of skin rash may be increased
  • Heparin because the risk of bleeding may be increased
  • Methotrexate because the risk of its side effects may be increased by Ampicillin/Sulbactam
  • Anticoagulants (eg, warfarin) because their effectiveness may be decreased or the risk of their side effects may be increased by Ampicillin/Sulbactam
  • Aminoglycosides (eg, gentamicin), birth control pills, or live oral typhoid vaccine because their effectiveness may be decreased by Ampicillin/Sulbactam

This may not be a complete list of all interactions that may occur. Ask your health care provider if Ampicillin/Sulbactam may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Ampicillin/Sulbactam :

Use Ampicillin/Sulbactam as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Do not mix Ampicillin/Sulbactam in the same intravenous (IV) container as aminoglycosides (eg, gentamicin).
  • Do not take Ampicillin/Sulbactam at the same time as khat.
  • Ampicillin/Sulbactam is usually given as an injection at your doctor's office, hospital, or clinic. If you will be using Ampicillin/Sulbactam at home, a health care provider will teach you how to use it. Be sure you understand how to use Ampicillin/Sulbactam . Follow the procedures you are taught when you use a dose. Contact your health care provider if you have any questions.
  • Do not use Ampicillin/Sulbactam if it contains particles, is cloudy or discolored, or if the vial is cracked or damaged.
  • To clear up your infection completely, use Ampicillin/Sulbactam for the full course of treatment. Keep using it even if you feel better in a few days.
  • Keep this product, as well as syringes and needles, out of the reach of children and pets. Do not reuse needles, syringes, or other materials. Ask your health care provider how to dispose of these materials after use. Follow all local rules for disposal.
  • If you miss a dose of Ampicillin/Sulbactam , use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once.

Ask your health care provider any questions you may have about how to use Ampicillin/Sulbactam .

Important safety information:

  • Ampicillin/Sulbactam only works against bacteria; it does not treat viral infections (eg, the common cold).
  • Be sure to use Ampicillin/Sulbactam for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
  • Long-term or repeated use of Ampicillin/Sulbactam may cause a second infection. Your doctor may want to change your medicine to treat the second infection. Contact your doctor if signs of a second infection occur.
  • If vomiting or diarrhea occurs, you will need to take care not to become dehydrated. Contact your doctor for instructions.
  • Mild diarrhea is common with antibiotic use. However, a more serious form of diarrhea (pseudomembranous colitis) may rarely occur. This may develop while you use the antibiotic or within several months after you stop using it. Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
  • Hormonal birth control (eg, birth control pills) may not work as well while you are using Ampicillin/Sulbactam . To prevent pregnancy, use an extra form of birth control (eg, condoms).
  • Ampicillin/Sulbactam may interfere with certain lab tests. Be sure your doctor and lab personnel know you are using Ampicillin/Sulbactam .
  • Diabetes patients - Ampicillin/Sulbactam may cause the results of some tests for urine glucose to be wrong. Ask your doctor before you change your diet or the dose of your diabetes medicine.
  • Ampicillin/Sulbactam should be used with extreme caution in CHILDREN younger than 1 year old; safety and effectiveness in these children have not been confirmed.
  • Use Ampicillin/Sulbactam with extreme caution in CHILDREN younger than 10 years old who have diarrhea or an infection of the stomach or bowel.
  • PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Ampicillin/Sulbactam while you are pregnant. Ampicillin/Sulbactam is found in breast milk. If you are or will be breast-feeding while you use Ampicillin/Sulbactam , check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Ampicillin/Sulbactam :

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Mild diarrhea; pain, swelling, or redness at injection site.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bloody stools or severe diarrhea; chest pain; chills; fever; severe nausea or vomiting; stomach pain or cramps; unusual bruising or bleeding; vaginal irritation or discharge; vein inflammation or tenderness; white patches in mouth.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately. Symptoms may include agitation; coma; confusion; hallucinations; tremors.

Proper storage of Ampicillin/Sulbactam :

Ampicillin/Sulbactam is usually handled and stored by a health care provider. If you are using Ampicillin/Sulbactam at home, store Ampicillin/Sulbactam as directed by your pharmacist or health care provider. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Ampicillin/Sulbactam out of the reach of children and away from pets.

General information:

  • If you have any questions about Ampicillin/Sulbactam , please talk with your doctor, pharmacist, or other health care provider.
  • Ampicillin/Sulbactam is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Ampicillin/Sulbactam . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

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