Cefdinir 300 mg is a medication used to treat bacterial infections in different parts of the body. It belongs to the class of medicines known as cephalosporin antibiotics. Cefdinir works by stopping the growth of bacteria. It is usually taken orally every 12 or 24 hours for 5 to 14 days, depending on the condition being treated. The dosage for adults and teenagers is 300 milligrams (mg) every twelve hours. It is important to take cefdinir at around the same times every day and to follow the directions on the prescription label carefully. It is also important to keep using this medicine for the full treatment time, even if you feel better after the first few doses. Your infection may not clear up if you stop using the medicine too soon.
Cefdinir may cause side effects such as nausea, vomiting, stomach pain, diarrhea, vaginal itching or discharge, headache, or rash. If you experience any of these side effects, you should contact your healthcare professional. In rare cases, cefdinir may cause more serious side effects such as seizures, fever, weakness, confusion, dark colored urine, jaundice, kidney problems, or bloody diarrhea. If you experience any of these symptoms, you should seek medical attention immediately.
Before taking cefdinir, it is important to tell your doctor or pharmacist if you are allergic to it or to any other cephalosporin antibiotics, or if you have any other allergies[[3]](https://www.webmd.com/drugs/2/drug-5543-4269/ce...
