Brand names: Unasyn®
Chemical formula:
- Drug Forms:
- Ampicillin; Sulbactam injection (below)
- Ampicillin Sodium, Sulbactam Sodium Solution for injection
- Español:
- Inyección de ampicilina y sulbactam
- Ampicilina Sódica; Sulbactám Sódico, Solución para inyección
Ampicillin; Sulbactam injection
What is ampicillin/sulbactam injection?
AMPICILLIN/SULBACTAM (Unasyn®) is a combination penicillin antibiotic. Ampicillin kills bacteria that cause infection, or stops the growth of bacteria. Sulbactam helps the ampicillin to work better. Ampicillin/sulbactam treats many kinds of infections of the skin, tissues, and stomach. It also treats certain infections in women (gynecological infections). Generic ampicillin/sulbactam injection is available.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
• asthma
• eczema
• kidney disease
• leukemia
• mononucleosis
• stomach problems (especially colitis)
• virus infection
• other chronic illness
• an unusual or allergic reaction to ampicillin, other penicillins, imipenem, cephalosporin antibiotics, foods, dyes, or preservatives
• breast-feeding
How should I use this medicine?
Ampicillin is for injection into a muscle or a vein, or for infusion into a vein. Follow the directions on the prescription label. Use your doses at regular intervals. Do not use your medicine more often than directed. Finish the full course prescribed by your prescriber or health care professional even if you think your condition is better. Do not stop using except on your prescriber's advice.
Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.
What drug(s) may interact with ampicillin/sulbactam?
• allopurinol
• certain antibiotics given by injection
• female hormones, including contraceptive or birth control pills
• methotrexate
• probenecid
Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.
What should I watch for while taking ampicillin/sulbactam?
Tell your prescriber or health care professional if your symptoms do not improve in 2 or 3 days.
If you are diabetic and taking large doses of ampicillin, you may get a false-positive result for sugar in your urine. Check with your prescriber or health care professional before you change your diet or the dose of your diabetic medicine.
If you get severe or watery diarrhea, do not treat yourself. Call your prescriber or health care professional for advice.
If you get a skin rash, do not treat yourself. Call your prescriber or health care professional for advice.
Birth control pills (contraceptive pills) may not work properly while you are taking this medicine. Use another method of birth control for at least one month.
What side effects may I notice from using ampicillin/sulbactam?
Side effects that you should report to your prescriber or health care professional as soon as possible:
• difficulty breathing, wheezing
• dark yellow or brown urine
• dizziness
• fever or chills, sore throat
• headache
• pain, swelling and irritation at the injection site
• passing urine less often
• redness, blistering, peeling or loosening of the skin, including inside the mouth
• seizures (convulsions)
• skin rash, itching
• stomach pain or cramps
• swelling
• severe or watery diarrhea
• unusual bleeding or bruising
• unusual weakness or tiredness
Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
• diarrhea
• loss of appetite
• nausea, vomiting
• sore mouth
Where can I keep my medicine?
Keep out of the reach of children.
After mixing the injection solution use within 1 hour, unless otherwise directed by the manufacturer. Throw away any unused injection solution.
Last updated: 7/1/2002
Important Disclaimer: The drug information provided here is for educational purposes only. It is intended to supplement, not substitute for, the diagnosis, treatment and advice of a medical professional. This drug information does not cover all possible uses, precautions, side effects and interactions. It should not be construed to indicate that this or any drug is safe for you. Consult your medical professional for guidance before using any prescription or over the counter drugs.
