Find patient medical information for Amoxicillin (Amoxil and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Amoxicillin (Amoxil) is a penicillin antibiotic that's used to treat a wide variety of bacterial infections, such as sinus infections, ear infections, strep throat, and urinary tract infections (UTIs). Medscape - Infection-specific dosing for Amoxil (amoxicillin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost. Brand names: Amoxil, Trimox (discontinued), Moxatag (discontinued) Dosage forms: oral capsule (250 mg; 500 mg), oral powder for reconstitution (125 mg/5 mL; 200 mg/5 mL; 250 mg/5 mL; 400 mg/5 mL). show all 4 dosage forms Amoxicillin was discovered in 1958 and came into medical use in 1972. [12][13] Amoxil was approved for medical use in the United States in 1974, [4][5] and in the United Kingdom in 1977. [2] Brand names Amoxil ® Dispermox ® ¶ Larotid ® Suspension Polymox ® Suspension ¶ Trimox ® ¶ Wymox ® ¶ Talicia ® (as a combination product containing Amoxicillin, Omeprazole, Rifabutin) Voquezna Dual Pak ® (as a combination product containing Amoxicillin, Vonoprazan Fumarate) Amoxil is a prescription medicine used to treat the symptoms of many different types of bacterial infections. Learn about different usages, dosages, side effects, drug interactions, warnings, and more. Amoxil is a penicillin antibiotic that fights bacteria. Amoxil is used to treat many different types of infection caused by bacteria, such as tonsillitis, bronchitis, pneumonia, and infections of the ear, nose, throat, skin, or urinary tract. The brand-name medication that amoxicillin is based on was called Amoxil. But this brand-name drug is no longer available. Canadian Brand Name Amoxil Pediatric Apo-Amoxi Apo-Amoxi Sugar-Free Gen-Amoxicillin Med Amoxicillin Novamoxin Novamoxin Reduced Sugar Nu-Amoxi Riva-Amoxicillin Scheinpharm Amoxicillin Zimamox Back to top.