Omnicef
(cefdinir)
Treats bacterial infections.
Our bottom line
Omnicef (cefdinir) is good for treating many common bacterial infections.
- Price before coupon$60.49
- Lowest price with coupon$18.0670% savings
- Drug class: Infection
- Rx status: Prescription only
- Generic status: Lower-cost generic available (cefdinir)
Upsides
- 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.
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What to expect from Omnicef, on one page
Download Fact SheetDownsides
- 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.
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What to expect from Omnicef, on one page
Download Fact SheetOmnicef (cefdinir) is an antibiotic. It kills bacteria by preventing them from making their own protective covering.
- Drug class: Infection
- Rx status: Prescription only
- Generic status: Lower-cost generic available (cefdinir)
Used for
- Chronic bronchitis exacerbation
- Pharyngitis
- Tonsillitis
Dosage forms
- Pill
- Liquid
Prices and coupons
Skip prices section. Skip to what to expect section.
Pay as low as$12.79Retail priceRetail priceLearn more- Kroger PharmacyGet free coupon$18.06
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$18.06 - CostcoGet free coupon$20.22
What to expect when you take Omnicef (cefdinir) for Bacterial infection
Skip what to expect section. Skip to side effects section.- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Effectiveness
- Starts to kick inFull effects
- First few hoursHoursFirst few daysDaysFirst few weeksWeeksFirst few monthsMonths
- Possible side effects
- Diarrhea
- Allergic reaction
- New infection
- Vaginal yeast infection
- Nausea
- Headache
Side effect rates for Omnicef (cefdinir)
- Diarrhea15%15%
- Vaginal yeast infection4%4%
- Nausea3%3%
- Headache2%2%
The placebo bar shows how common a side effect was for people taking a sugar pill instead of Omnicef.
People taking Omnicef felt side effect more
People taking Omnicef felt side effect less
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.
Common concerns from people taking Omnicef (cefdinir)
Final section. Do you want to return to drug navigation?Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.
Tip: Always talk with your doctor before you take any medication while pregnant.