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What happens if I miss a dose (Omnicef, Omnicef Omni-Pac)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
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, and diarrhea.
What should I avoid while taking cefdinir (Omnicef, Omnicef Omni-Pac)?
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, stop taking cefdinir and call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.
Avoid using antacids or mineral supplements that contain 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.
Taking cefdinir with products that contain iron may cause your stools (bowel movements) to appear red in color. If this discoloration looks like blood in your stools, call your doctor.
What other drugs will affect cefdinir (Omnicef, Omnicef Omni-Pac)?
Tell your doctor about all other medications you use, especially:
This list is not complete and other drugs may interact with cefdinir. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about cefdinir.
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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