Treats bacterial infections.
Our bottom line
Omnicef (cefdinir) is good for treating many common bacterial infections.
- Available as a generic, so it shouldn't be too expensive.
- It is good at killing the most common bacteria.
- Available in both pill and liquid forms.
- Antacids and iron prevent Omnicef (cefdinir) from getting absorbed, so you'll need to separate any supplements from Omnicef (cefdinir) by at least 2 hours.
- If you're taking iron with Omnicef (cefdinir), it can turn your stool red, which is normal but can be alarming.
- Can cause diarrhea, nausea, vomiting, or headache.
- The suspension has some sugar in it, which could raise your blood sugar. Talk to your doctor if you have diabetes.
Omnicef (cefdinir) is an antibiotic. It kills bacteria by preventing them from making their own protective covering.
What to expect when you take Omnicef (cefdinir) for Bacterial infectionSkip what to expect section. Skip to Risks & Warnings section.
Side effect rates for Omnicef (cefdinir)
- Vaginal yeast infection
Risks and Warnings for Omnicef (cefdinir)Skip risks section. Skip to common concerns section.
- Higher risk if:
- › Taking Omnicef (cefdinir) for a long time
Like all antibiotics, Omnicef (cefdinir) can cause diarrhea, but it normally goes away after you finish the medicine. Taking yogurt or probiotic supplements a few hours after taking Omnicef (cefdinir) may help. Rarely, Omnicef (cefdinir) can cause a severe form of diarrhea. If you still have diarrhea after finishing Omnicef (cefdinir), or your diarrhea worsens or becomes bloody, talk to your doctor right away.