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Ceftazidime is administered intravenously (IV) or intramuscularly (IM). It is not available in an oral form.

Ceftazidime is not a penicillin. It is a cephalosporin antibiotic, which is a different class of beta-lactam antibiotics. While both penicillins and cephalosporins share a similar beta-lactam ring structure, they are distinct groups of antibiotics.

Ceftazidime and cefazolin are not the same. They are both antibiotics, but they belong to different generations of cephalosporins and have different spectrums of activity. Ceftazidime is a third-generation cephalosporin, often used to treat infections caused by Gram-negative bacteria, including Pseudomonas aeruginosa. Cefazolin is a first-generation cephalosporin, primarily effective against Gram-positive bacteria and some Gram-negative bacteria. Their uses and indications differ based on the type of infection and the bacteria involved.

Ceftazidime is a third-generation cephalosporin antibiotic that is effective against a variety of Gram-negative bacteria. It is particularly known for its activity against Pseudomonas aeruginosa. Additionally, it covers other Gram-negative organisms such as Enterobacter species, Escherichia coli, Klebsiella species, Proteus mirabilis, and Haemophilus influenzae. However, it has limited activity against Gram-positive bacteria and anaerobes.

The most serious adverse reaction of ceftazidime is anaphylaxis, a severe and potentially life-threatening allergic reaction. It is important for patients to seek immediate medical attention if they experience symptoms such as difficulty breathing, swelling of the face or throat, or a severe rash after taking the medication.