Cefdinir: study card

Cefdinir — Cephalosporin antibacterial. Study the mechanism, listed uses and warnings from the US label on one sourced card.

Generic name
Cefdinir
Class
Cephalosporin antibacterial
Mechanism
Cephalosporin (beta-lactam) antibacterial; inhibits bacterial cell wall synthesis.
Used for
Mild-to-moderate community-acquired pneumonia due to specified susceptible bacteria in adults and adolescents; Acute exacerbations of chronic bronchitis due to specified susceptible bacteria in adults and adolescents; Acute maxillary sinusitis due to specified susceptible bacteria; pediatric use is addressed in the source-specific dosing section; Streptococcus pyogenes pharyngitis or tonsillitis in the adult/adolescent and pediatric populations specified by the label
Common side effects
Diarrhea; Vaginal moniliasis; Nausea; Headache; Abdominal pain
Warnings
Cephalosporin hypersensitivity is a contraindication; serious cross-allergic reactions can occur; C. difficile-associated diarrhea may progress to severe or fatal colitis
Interactions
Aluminum / magnesium antacids; Iron supplements; Probenecid

Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.

Drug class families: Cephalosporin antibacterials

Read the source label ↗

Label date: 20260901 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.

Pronunciation

Cefdinir: SEF-di-neer

Pronunciation is shown for the US English generic name.

Other drugs in the same class

Cephalosporin antibacterials: Cefuroxime, Cephalexin

Body system

Infectious disease · 21 Drug cards

Compare with related cards

Cephalexin

Same class family: Cephalosporin antibacterials

Mechanism: Disrupts bacterial cell-wall synthesis, producing a bactericidal effect against susceptible organisms.

On both cards: Common side effects — Diarrhea; Nausea; Abdominal pain · Interactions — Probenecid

Only on the Cephalexin card: Used for — Respiratory infections caused by the specified susceptible bacteria; Otitis media caused by the specified susceptible bacteria; Skin and skin-structure infections caused by the specified susceptible bacteria; Bone or genitourinary infections caused by the specified susceptible bacteria · Common side effects — Vomiting; Dyspepsia · Warnings — Serious hypersensitivity (anaphylactic) reactions; C. difficile-associated diarrhea; Seizure potential · Interactions — Metformin

Cefuroxime

Same class family: Cephalosporin antibacterials

Mechanism: Cephalosporin (beta-lactam) antibacterial.

On both cards: Common side effects — Diarrhea · Interactions — Probenecid

Only on the Cefuroxime card: Used for — Mild-to-moderate streptococcal pharyngitis/tonsillitis caused by susceptible strains in adults and children aged 13 years and older; Acute bacterial otitis media caused by labeled susceptible organisms in children able to swallow tablets whole; Mild-to-moderate acute bacterial maxillary sinusitis caused by susceptible pneumococci or non-beta-lactamase-producing H. influenzae in adults and children aged 13 years and older; Early Lyme disease (erythema migrans) from susceptible B. burgdorferi in adults and children aged 13 years and older · Common side effects — Nausea / vomiting; Jarisch-Herxheimer reaction; Vaginitis · Warnings — Anaphylaxis; C. difficile-associated diarrhea · Interactions — Drugs that reduce gastric acidity

Fluconazole

Same body system: Infectious disease

Mechanism: Selectively inhibits fungal CYP450 lanosterol 14-alpha-demethylase, blocking ergosterol synthesis (fungistatic).

On both cards: Common side effects — Diarrhea; Nausea; Headache; Abdominal pain

Only on the Fluconazole card: Used for — Vaginal candidiasis; Oropharyngeal and esophageal candidiasis; Cryptococcal meningitis; Reduction of candidiasis in bone-marrow transplant patients receiving cytotoxic chemotherapy and/or radiation therapy · Common side effects — Dyspepsia · Warnings — Hypersensitivity; caution with other azole allergy; Contraindicated with QT-prolonging CYP3A4 substrates; Rare serious liver injury, including fatal cases, and severe exfoliative skin reactions have been reported; Pregnancy exposure requires risk review: high-dose first-trimester exposure has been associated with a distinct birth-defect pattern; lower-dose observational signals have important limitations · Interactions — Erythromycin; Pimozide; Quinidine

An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.