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cefdinir (Omnicef, Omnicef Omni-Pac)

Brand Names: Omnicef, Omnicef Omni-Pac

Generic Name: cefdinir

What is cefdinir (Omnicef, Omnicef Omni-Pac)?

Cefdinir is a cephalosporin (SEF a low spor in) antibiotic that is used to treat many different types of infections caused by bacteria.

Cefdinir may also be used for purposes not listed in this medication guide.

What are the possible side effects of cefdinir (Omnicef, Omnicef Omni-Pac)?

Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).

Call your doctor at once if you have:

  • fever, chills, body aches, flu symptoms;
  • pale skin, easy bruising, unusual bleeding;
  • seizure (convulsions);
  • fever, weakness, confusion;
  • dark colored urine, jaundice (yellowing of the skin or eyes); or
  • kidney problems--little or no urination, swelling in your feet or ankles, feeling tired or short of breath.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about cefdinir (Omnicef, Omnicef Omni-Pac)?

Do not take this medicine if you are allergic to cefdinir, or to similar antibiotics, such as Ceftin, Cefzil, Keflex, and others.

What should I discuss with my healthcare provider before taking cefdinir (Omnicef, Omnicef Omni-Pac)?

You should not take this medicine if you are allergic to cefdinir or to other cephalosporin antibiotics, such as:

Tell your doctor if you have ever had:

Cefdinir suspension (liquid) contains sucrose. Talk to your doctor before using this form of cefdinir if you have diabetes.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant.

How should I take cefdinir (Omnicef, Omnicef Omni-Pac)?

Follow all directions on your prescription label and read all medicine guides or instruction sheets. Use the medicine exactly as directed.

Shake the oral suspension (liquid) before you measure a dose. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

You may take cefdinir with or without food.

Use this medicine for the full prescribed length of time, even if your symptoms quickly improve. Skipping doses can increase your risk of infection that is resistant to medication. Cefdinir will not treat a viral infection such as the flu or a common cold.

Cefdinir can affect the results of certain medical tests. Tell any doctor who treats you that you are using cefdinir.

Store at room temperature away from moisture and heat. Throw away any unused cefdinir liquid that is older than 10 days.

QUESTION

Bowel regularity means a bowel movement every day. See Answer

What happens if I miss a dose (Omnicef, Omnicef Omni-Pac)?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose (Omnicef, Omnicef Omni-Pac)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include nausea, vomiting, stomach pain, diarrhea, or a seizure.

What should I avoid while taking cefdinir (Omnicef, Omnicef Omni-Pac)?

Avoid using antacids or mineral supplements that contain aluminum, magnesium, or iron within 2 hours before or after taking cefdinir. Antacids or iron can make it harder for your body to absorb cefdinir. This does not include baby formula fortified with iron.

Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, call your doctor before using anti-diarrhea medicine.

What other drugs will affect cefdinir (Omnicef, Omnicef Omni-Pac)?

Tell your doctor about all your other medicines, especially:

This list is not complete. Other drugs may affect cefdinir, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Where can I get more information (Omnicef, Omnicef Omni-Pac)?

Your pharmacist can provide more information about cefdinir.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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Reviewed on 7/24/2019

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