November 30, 2015
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Side Effects


Clinical Trials Experience

In clinical studies the following adverse effects were observed and were considered to be related to CEFOBID therapy or of uncertain etiology:


As with all cephalosporins, hypersensitivity manifested by skin reactions (1 patient in 45), drug fever (1 in 260), or a change in Coombs' test (1 in 60) has been reported. These reactions are more likely to occur in patients with a history of allergies, particularly to penicillin.


As with other beta-lactam antibacterial drugs, reversible neutropenia may occur with prolonged administration. Slight decreases in neutrophil count (1 patient in 50) have been reported. Decreased hemoglobins (1 in 20) or hematocrits (1 in 20) have been reported, which is consistent with published literature on other cephalosporins. Transient eosinophilia has occurred in 1 patient in 10.


Of 1285 patients treated with cefoperazone in clinical trials, one patient with a history of liver disease developed significantly elevated liver function enzymes during CEFOBID therapy. Clinical signs and symptoms of nonspecific hepatitis accompanied these increases. After CEFOBID therapy was discontinued, the patient's enzymes returned to pre-treatment levels and the symptomatology resolved. As with other antibacterial drugs that achieve high bile levels, mild transient elevations of liver function enzymes have been observed in 5–10% of the patients receiving CEFOBID therapy. The relevance of these findings, which were not accompanied by overt signs or symptoms of hepatic dysfunction, has not been established.


Diarrhea or loose stools has been reported in 1 in 30 patients. Most of these experiences have been mild or moderate in severity and self-limiting in nature. In all cases, these symptoms responded to symptomatic therapy or ceased when cefoperazone therapy was stopped. Nausea and vomiting have been reported rarely.

Symptoms of pseudomembranous colitis can appear during or for several weeks subsequent to antibacterial therapy (see WARNINGS).

Renal Function Tests

Transient elevations of the BUN (1 in 16) and serum creatinine (1 in 48) have been noted.

Local Reactions

CEFOBID is well tolerated following intramuscular administration. Occasionally, transient pain (1 in 140) may follow administration by this route. When CEFOBID is administered by intravenous infusion some patients may develop phlebitis (1 in 120) at the infusion site.

Post-Marketing Experience

The following adverse reactions have been identified during post-approval use of CEFOBID. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Blood and Lymphatic System Disorders: Thrombocytopenia, hypoprothrombinaemia (See PRECAUTIONS)

Immune System disorders: Anaphylactic reactions, including shock and fatal cases (See WARNINGS)

Hepatobiliary Disorders: Jaundice, hepatic dysfunction

Skin and Subcutaneous Tissue Disorders: Toxic epidermal necrolysis, Stevens Johnson syndrome, pruritus

Vascular Disorders: Hemorrhage (See WARNINGS)

Read the Cefobid (sterile cefoperazone) Side Effects Center for a complete guide to possible side effects


Drug/Laboratory Test Interactions

A false-positive reaction for glucose in the urine may occur with Benedict's or Fehling's solution.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 3/30/2015

Side Effects

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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