Omnicef

Omnicef - Dosage | Use | Side Effects

Omnicef (Cefdinir) belongs to the cephalosporin group of antibiotics. Omnicef (Cefdinir) is used to treat infections caused by bacteria susceptible to Omnicef, as follows:

  • Otitis media (ear infection)
  • Sinusitis
  • Tonzilitis, pharyngitis (throat infection)
  • Lower respiratory tract infections (bronchitis and pneumonia)
  • Skin or soft tissue infection

Warnings and precautions

Do not take Omnicef:

  • If you are allergic (hypersensitive) to Omnicef, or other cephalosporin antibiotics such as:
    • cefaclor (Raniclor),
    • cefadroxil (Duricef),
    • cefazolin (Ancef),
    • cefixime,
    • cefditoren (Spectracef),
    • cefpodoxime (Vantin),
    • cefprozil (Cefzil),
    • cefuroxime (Ceftin),
    • cephalexin (Keflex),
    • cephradine (Velosef),
    • penicillin.

Signs of an allergic reaction include:

  1. rash,
  2. difficulty in swallowing or breathing,
  3. swelling of the lips, face, throat or tongue.

Caution should be exercised in the following situations:

  • If you are allergic to penicillin or other antibiotics
  • If you have ever had gastrointestinal disease, particularly inflammatory bowel disease (colitis)
  • If you have any kidney problems
  • If you are pregnant

If you are not sure whether recited above applies to you, consult your doctor or pharmacist before taking this medicine.

Use with other medicine (Interactions)

Tell your doctor about any medications you are taking or you have recently taken, including medicines obtained without a prescription and herbal medicines.

Omnicef may affect the effectiveness of other medicines. While using Omnicef you should not take antacids (medicines that neutralize stomach acid, such as: magnesium hydroxide, aluminium hydroxide etc.).

You should also avoid use of rifampin or rifabutin (drugs used to treat tuberculosis). Omnicef may affect oral contraceptives, so you should use another contraceptive methods.

Use with foods

Omnicef can be taken with or without food.

Omnicef use during pregnancy

Omnicef should be administered during pregnancy only if the benefit of the treatment outweighs the potential risks. Consult your doctor or pharmacist before you start using any medicine during pregnancy.

Dosage and administration

Adults:

Type of infection Dosage (for adults)
Pneumonia 300 mg every 12 hours for 10-14 days
Bronchitis 300 mg every 12 hours for 5-10 days or 600 mg every 24 hours for 10 days
Tonsillitis and pharyngitis 300 mg every 12 hours for for 5-10 days or 600 mg every 24 hours for 10 days
Sinusitis 300 mg every 12 hours or 600 mg every 24 hours for 10 days
Skin or soft tissue infection 300 mg every 12 hours for 10 days

Children:

Type of infection Dosage
Pneumonia 13 years or older: 300 mg orally every 12 hours for 10 to 14 days
Bronchitis 13 years or older: 300 mg orally every 12 hours for 5 to 10 days or 600 mg orally every 24 hours for 10 days
Tonsillitis and pharyngitis 7 mg/kg orally every 12 hours for 5 to 10 days or 14 mg/kg orally every 24 hours for 10 days
Sinusitis 7 mg/kg orally every 12 hours or 14 mg/kg orally every 24 hours for 10 days
Skin or soft tissue infection 7 mg/kg orally every 12 hours for 10 days
Otitis media 7 mg/kg orally every 12 hours for 5 to 10 days or 14 mg/kg orally every 24 hours for 10 days

Overdose

If you take more pills than prescribed you should consult your doctor!

Side effects

Stop taking this medicine and contact your doctor immediately if you are experiencing any of following side effects:

  • Allergic reaction (swelling of the lips, swelling ot the tongue, swelling of the throat, swelling of the face, difficulty breathing, swelling of the hands, feets or ankles).
  • Gastrointestinal disorders. Possible side effects include:
    • nausea,
    • vomiting,
    • abdominal pain. Antibiotics should be prescribed with caution in patients with a history of gastrointestinal disease, particularly colitis. Omnicef may cause diarrhea and pseudomembranous colitis!
  • Dark urine
  • Fatigue
  • Headache
  • Fever
  • Bleeding
  • Confusion
  • Red or black stools
  • Sore throat
  • Heavy bleeding during menstrual periods
  • Itching
  • Loss of appetite
  • Seizures
  • Yellow eyes or skin (jaundice)
  • Wheezing
  • Genital pruritus (genital itching) and vaginitis (inflammation of the vagina)
  • Pain during sexual intercourse
  • Dry mouth
  • Constipation
  • Redness of the skin
  • Insomnia