It is an aminopenicillin, which is active against many strains of enterobacteriaceae. It is better absorbed from the GIT than ampicillin. Acute cervical adenitis, acute otitismedia, acute sinusitis and acute bronchitis. Pneumonia in adult & children above 5 years, mild pneumonia in children aged from 2 months to 5 years, neonatal pneumonia together with gentamycin. Acute exacerbations of chronic bronchitis, chronic lung disease in children. Tooth abscess & suppurative odontogenic infections. Acute gastritis and peptic ulcer disease. Osteomylitis lyme disease.