What is the most important information I should know about cefdinir?
Do not take this medicine if you are allergic to cefdinir, or to similar antibiotics, such as Ceftin, Cefzil, Keflex, and others.
What is cefdinir?
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 should I discuss with my healthcare provider before taking cefdinir?
You should not take this medicine if you are allergic to cefdinir or any other cephalosporin antibiotic (cefadroxil, cefprozil, cefazolin, cefalexin, Keflex, and others).
Tell your doctor if you have ever had:
- kidney disease (or if you are on dialysis);
- intestinal problems, such as colitis; or
- an allergy to any drugs (especially penicillins).
Cefdinir liquid contains sucrose. Talk to your doctor before using this form of cefdinir if you have diabetes.
Tell your doctor if you are pregnant or breastfeeding.
How should I take cefdinir?
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.
What happens if I miss a dose?
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?
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?
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 are the possible side effects of cefdinir?
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:
- severe stomach pain, diarrhea that is watery or bloody (even if it occurs months after your last dose);
- 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:
- nausea, vomiting, stomach pain, diarrhea;
- vaginal itching or discharge;
- headache; or
- rash (including diaper rash in an infant taking liquid cefdinir.
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 other drugs will affect cefdinir?
Tell your doctor about all your other medicines, especially:
- probenecid; or
- vitamin or mineral supplements that contain iron.
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?
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.
Copyright 1996-2023 Cerner Multum, Inc. Version: 7.03. Revision date: 1/4/2021.