Possible Omnicef Side effects

More common side effects of Omnicef may include:

• black, tarry stools,
• chest pain,
• chills,
• cough,
• fever,
• painful or difficult urination,
• shortness of breath,
• sore throat,
• sores, ulcers, or white spots on lips or in mouth,
• swollen glands,
• unusual bleeding or bruising,
• unusual tiredness or weakness

Less common side effects of Omnicef may include:

• abdominal or stomach cramps and pain (severe),
• abdominal tenderness,
• diarrhea (watery and severe, which may also be bloody),
• hives or welts,
• itching redness of skin, or skin rash,
• pain, redness and swelling at site of injection,
• peeling of skin, seizures

Rare side effects of Omnicef may include:

• blistering, peeling, or loosening of skin,
• decrease in urine output,
• hearing loss,
• joint pain,
• loss of appetite,
• nausea, or vomiting,
• red or irritated eyes,
• trouble in breathing,