The active pharmaceutical ingredient is cefdinir:
Chemical name: (6R,7R)-7-[[(2-Amino-4-thiazolyl)-(oximido)acetyl]amino]-3-vinyl-8-oxo-5-thia-1 -azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

Chemical Structure:

Molecular Formula: C₁₄H₁₃N₅O₅S₂ 

Molecular Weight: 395.42

The filings are yellowish or yellow powder or granules

The following infections caused by cefdinir-susceptible strains such as Staphylococcus aureus, Streptococcus, Streptococcus pneumoniae, Peptostreptococcus, Propionibacterium,  Neisseria gonorrhoeae, Moraxella catarrhalis, Escherichia coli, Klebsiella, Proteus mirabilis, and Haemophilus influenza, etc.:

1. Pharyngitis, tonsillitis, acute bronchitis, pneumonia;

2. Otitis media, sinusitis;

3. Pyelonephritis, cystitis, gonococcal urethritis;

4. Annexitis , intrauterine infection, bartholinitis;

5. Mastitis, perianal abscess, secondary infections of trauma or surgical wounds;

6. Epifolliculitis, furuncle, boil, carbuncle, contagious pustules, erysipelas, cellulitis, lymphangitis, paronychia, subcutaneous abscess, atherom infection, chronic pyoderma;

7. Blepharitis, hordeolum, and meibomitis

Oral.

The regular dosage for adults is 3 times per day, 0.1 g (1 capsule) per time.

The dosage can be appropriately increased or decreased according to age and symptoms, or as directed by your doctor.