Home / Antibiotics / cefdinir
Home / Antibiotics / cefdinir


cefdinir belongs to a family of antibiotics called cephalosporin. It is a bactericidal antibiotic .

cefdinir 300mg

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Drug Description

Cefdinir is the main ingredient of Omnicef medication, which is an anti-bacterial agent. The medication belongs to the group of medications known as third generation Cephalosporin antibiotics, used for fighting bacterial contamination in humans, such as sinus, pneumonia, tonsillitis, and ear infections. Being an antibiotic, it is effective only against bacterial invasion, and not viral attacks, such as common cold and flu. Overuse of the medication makes it less effective against the bacterial accumulation and can be harmful.


Cefdinir works the very same way as other Cephalosporin antibiotics by prohibiting the bacteria to form cell walls around them. Cell walls act as fortified structure that prevents the influx of foreign substances into the area invaded by the bacteria. The medication forms holes in the cell walls, weakening and disintegrating the structures. This results in decelerating the growth of bacteria and destroying them completely.

How to Take Cefdinir

Cefdinir is an oral medication to be taken with water, with or without regard to food. The normal dosage of Cefdinir is 300 mg to be taken either once in a day or as a half tablet every 12 hours. Take the medicine as advised by the physician. Your doctor will determine the right dosage for you depending upon the medical history, infection severity and response to the treatment. Overdosing is harmful. Consume the same amount of medication at regular intervals for quick results. Use the medicine for complete duration of time, as determined by the doctor. Do not stop the consumption of the drug in the middle of the course because this would help bacteria to develop resistance towards the therapy and the growth would continue, spoiling the health condition further.


Avoid using Cefdinir tablets if you are allergic to the medication or any penicillins. The medication contains certain inactive constituents, which may cause severe reactions or allergies. Discuss the cons of this drug with your doctor to develop a clear understanding. Before using this medicine, inform your doctor of your medical history and medications you are using currently. This drug must be used during pregnancy only when clearly stated by the doctor. Cefdinir is not known to excrete into the human breast milk. However, seek medical advice before using this drug while lactation. This drug can cause mild diarrhea, which is normal. However, this can be a sign of a new infection. Consuly your doctor immediately if you condition deteriorates.

Side Effects

Common side effects of Cefdinir are stomach pain, mild rash, vomiting, nausea, vaginal irritation and dizziness. Serious side effects are watery and bloody diarrhea, unusual bleeding, yellow skin, sore throat, seizures, appetite loss, swelling, weight gain, fever, chills, dark urination, shortness of breath and chest pain.

We only ship medications which are approved by FDA, Also please consult your doctor to make a full decision on what medication to take.

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