Formulations of Amoxicillin capsules, USP contain Amoxicillin, a semisynthetic antibiotic, an analog of ampicillin, with a broad spectrum of bactericidal activity against many gram-positive and gram-negative microorganisms. Amoxicillin (Amoxil, Moxatag, and Larotid) is a penicillin antibiotic prescribed to treat a variety of bacterial infections such as sinusitis, laryngitis, strep throat, pneumonia, and urinary tract infections. Common side effects are insomnia, heartburn, diarrhea, and itching. Pregnancy safety information is provided. Amoxil (amoxicillin) is a penicillin-type antibiotic used to treat infections caused by bacteria that are B-lactamase negative (B-lactamase positive bacteria are usually resistant to Amoxil); these infections usually occur in the skin, lungs, urinary tract and eye, ears, nose, and throat. Amoxicillin capsules, amoxicillin for oral suspension, amoxicillin tablets (chewable) are indicated in the treatment of infections due to susceptible (ONLY β-lactamase–negative) isolates of Escherichia coli, Proteus mirabilis, or Enterococcus faecalis. To reduce the development of drug-resistant Amoxicillin (Amoxil) is a prescription drug used for treating bacterial infections. It attacks the membrane around bacteria, which stops bacteria from growing. Probenecid, birth control pills, and some antibiotics may interact with amoxicillin. Drug interactions could decrease the effectiveness of the medications or increase your risk for side effects (including skin rashes and other allergic reactions). AMOXIL (amoxicillin) Capsules, Tablets, or Powder for Oral Suspension. DESCRIPTION. Formulations of AMOXIL contain amoxicillin, a semisynthetic antibiotic, an analog of ampicillin, with a broad spectrum of bactericidal activity against many Gram-positive and Gram-negative microorganisms. Medscape - Infection-specific dosing for Amoxil (amoxicillin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Amoxicillin is an antibiotic often used for the treatment of a number of bacterial infections. These include middle ear infection, strep throat, pneumonia, skin infections, and urinary tract infections among others. It is taken by mouth, or less commonly by injection. Augmentin contains amoxicillin and clavulanic acid. Amoxicillin is an antibiotic of the penicillin type. It is effective against some bacteria such as H. influenzae, N. gonorrhea, E. coli, Pneumococci, Streptococci, and certain strains of Staphylococci.