Ampicillin Injection is a medication used to treat bacterial infections in humans. It belongs to the class of antibiotics known as penicillins and is effective against a wide range of gram-positive and some gram-negative bacteria. The injection contains ampicillin, which works by inhibiting the growth of bacteria and interfering with their cell wall synthesis. A healthcare professional administers Ampicillin Injection which is available in various strengths depending on the severity and type of infection. It is typically given through intravenous or intramuscular injection. The dosage and duration of treatment may vary depending on the specific condition being treated.