Ampicillin Injectable
This medication is used to treat a wide variety of bacterial infections. It is also used to prevent infection of the heart (bacterial endocarditis) in patients with certain heart diseases who are having surgery. This medication is known as a natural penicillin antibiotic. It works by stopping the growth of bacteria.
Pain/redness/swelling at injection site may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: joint/muscle pain, muscle weakness, swelling of ankles/feet, dark/cloudy urine, extreme tiredness, fast/slow/irregular heartbeat, new signs of infection (e.g., fever, persistent sore throat), easy bruising/bleeding, signs of kidney problems (such as change in the amount of urine), numbness/tingling of arms/legs, seizures, uncontrolled movements, confusion. If used to treat syphilis or other spirochetal infections (e.g., Lyme disease), this medication may cause a condition known as Jarisch-Herxheimer reaction. This condition may occur 1 to 2 hours after you receive the medication and can last up to 24 hours. Notify your doctor right away if you experience any of these symptoms: fever/chills, muscle pain, worsening of skin sores, fast heartbeat, fast breathing, dizziness, flushing. This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. This condition may occur weeks to months after treatment has stopped. Do not use anti-diarrhea or opioid medications if you have any of these symptoms because these products may make them worse. Tell your doctor right away if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool. Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.