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