Medically reviewed by Jessica Swirble, PharmD
Last updated on April 18, 2025
Drug Information | Side Effects | Use & Dosage | Request an Online Prescription
Cefdinir is an antibiotic used to treat bacterial infections in various areas of the body. Cefdinir is particularly effective as a treatment for antibiotic-resistant strains of bacteria and is primarily prescribed as a treatment for conditions such as:
Cefdinir is an antibiotic, which means that it is ineffective against viral, parasitic, and fungal infections. This medication is prescribed to treat existing infections and should not be used as a preventative measure against bacterial infections.
Cefdinir is an antibiotic, meaning that it is indicated for use against bacterial infections. Cefdinir is primarily used as a treatment for mild to moderate cases of conditions such as:
Cefdinir is classified as a cephalosporin antibiotic, meaning that it is indicated for use against bacterial infections in various areas of the body. These drugs work by killing harmful bacteria and preventing their growth. This dual action treats existing infections while preventing them from spreading or worsening.
Because cefdinir is an antibiotic, it is ineffective against viral, parasitic, and fungal infections. In addition, this drug is used to treat existing infections. Using cefdinir as a preventative measure against infections can actually make your body resistant to the drug and increase your likelihood of developing one of the conditions listed above.
Cefdinir is available as an oral capsule and oral suspension.
Follow your healthcare provider's instructions regarding dosage and schedule. Do not exceed the prescribed dose or frequency of use without consulting your provider.
Cefdinir is used to treat bacterial infections. The effects can be noticeable within a few days, but it is crucial to complete the full course of treatment to ensure the infection is fully eradicated and to prevent resistance.
Continue using cefdinir as prescribed, even if you start feeling better. Regular use according to your prescription is crucial for the complete management of the infection.
While cefdinir is primarily used for treating respiratory tract infections, skin infections, and ear infections, healthcare providers may prescribe it off-label for other bacterial infections.
Discuss any alternative uses of cefdinir with your healthcare provider.
Cefdinir is available in the following dosage forms:
Cefdinir is a prescription medication. You must have a valid prescription from a licensed healthcare provider to obtain it.
The use of cefdinir can lead to various side effects in some individuals.
Common mild side effects of cefdinir use include:
More severe side effects include:
If you experience any severe or concerning side effects while taking cefidinir, contact your healthcare provider right away.
Inform your healthcare provider about any existing medical conditions, allergies, or other medications you are taking before starting treatment with cefidinir. This includes prescription drugs, over-the-counter medications, and dietary supplements, as they may interact with cefidinir.
Tell your provider if you are taking these medications or supplements:
You should also mention medical conditions such as:
If you are pregnant, planning to become pregnant, or breastfeeding, discuss the potential risks and benefits of using cefdinir with your healthcare provider.
Take cefdinir exactly as prescribed by your healthcare provider. Do not exceed the recommended dose or duration of treatment.
Your provider may direct you to avoid taking antacids or iron supplements within two hours of taking cefdinir, as they can interfere with its absorption.
Cefdinir can cause diarrhea. If this occurs, drink plenty of fluids and contact your healthcare provider if it becomes severe.
Complete the full course of treatment, even if you feel better, to ensure the medication's effectiveness in eradicating the infection.
In case of a cefdinir overdose, seek medical attention immediately. Symptoms of overdose may include severe diarrhea, nausea, vomiting, or stomach pain. If you suspect an overdose, contact the poison control helpline at 1-800-222-1222 or call emergency services.
Cefdinir is available in the following forms:
The typical starting dose of cefdinir varies depending on the condition being treated, the severity of symptoms, and individual patient factors. It is crucial to follow your healthcare provider's instructions regarding dosage and administration.
For adults:
For children:
The dosage may be adjusted based on the response and tolerance to the medication. Your healthcare provider will determine the most appropriate dose based on your medical history and your response to the medication.
Cefdinir should be taken as prescribed by your healthcare provider. Do not exceed the recommended dose or duration of treatment without consulting your provider.
If you have any questions about your dosage or need adjustments, contact your healthcare provider for guidance. If you want to talk to a provider right away, consider scheduling an online doctor appointment through a telehealth platform like Sesame.
If you miss a dose of cefdinir, take it as soon as you remember unless it is close to the time for your next scheduled dose. In that case, skip the missed dose and continue your regular dosing schedule. Do not double the dose to make up for a missed one.
Take cefdinir around the same time every day to maintain a consistent amount of medication in your body.
Continue taking cefdinir as prescribed by your healthcare provider, even if you start feeling better. It's important to keep taking the medication as directed to eradicate the infection fully.
Do not suddenly stop taking cefdinir; this can cause the infection to return or get worse.
If you have any concerns or questions about your medication, discuss them with your healthcare provider for medical advice and recommendations.
Store cefdinir according to the instructions provided by your healthcare provider or pharmacist. Keep it at room temperature, away from light and moisture. Ensure the container is tightly closed and out of reach of children.
Do not use expired medication or medications that appear damaged or discolored. If you have any questions about storage, consult your healthcare provider or pharmacist for guidance.