Ampicillin is an antibiotic used in case of infection by gram positive or gram negative bacteria.
- Gram-positive bacteria : alpha and beta-hemolytic streptococci; Strreptococcus pneumoniae ; non-penicillin-producing staphylococci; Bacilus anthracis ; Clostridia sp ; Coryebacterium xerosis and most strains of enterococci.
- Gram-negative bacteria : Haemophylus influenzae ; Neisseria gonorrhoeae; Neisserie meningitidis; Proteus mirabilis ; many strains of Salmonella; Shigella and Escherichia coli.
Indications of Ampicillin
Bacterial endocarditis; biliary infection; gynecological infection; intestinal infection; obstetric infection; respiratory infection; urinary infection; bacterial meningitis; septicemia; typhoid fever.
Price of Ampicillin
The price of 1 box with 12 tablets of 500mg of Ampicillin is approximately 20 reais.
Contraindications for Ampicillin
In case of allergy to penicillin or cephalosporin; pregnancy risk B and breastfeeding as it is excreted in milk.
Assess risk / benefit in case of: pseudomembranous colitis; decreased renal function; infectious mononucleosis.
Side effects of Ampicillin
Dizziness, diarrhea and vomiting. Learn how to fight off diarrhea caused by this antibiotic.
How to use Ampicillin
The dose will depend on the severity of the infection, but may be:
- Adults : 250 to 500 mg tablets every 6 hours. Typhoid fever: 25mg per kg of body weight every 6 hours. Maximum dose: 4g per day.
- Children under 20 kg : tablets of 50 to 100 mg per kg body weight per day, every 6 or 8 hours.
- Children weighing 20kg or more : same dosage as adults.
