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
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.
Label date: 20260622 · 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.
Mechanism: Disrupts bacterial cell-wall synthesis, producing a bactericidal effect against susceptible organisms.
On both cards: Common side effects — Nausea; Abdominal pain; Diarrhea; Dyspepsia
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 · Warnings — Serious hypersensitivity (anaphylactic) reactions; C. difficile-associated diarrhea; Seizure potential · Interactions — Metformin; Probenecid
On both cards: Common side effects — Headache; Nausea; Abdominal pain; Diarrhea
Only on the Cefdinir card: 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 — Vaginal moniliasis · 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
Mechanism: Binds to the bacterial 50S ribosomal subunit and interrupts protein synthesis.
On both cards: Common side effects — Nausea; Abdominal pain; Diarrhea
Only on the Azithromycin card: Used for — Community-acquired pneumonia caused by the specified susceptible bacteria in adults or children aged 6 months and older who are appropriate for oral treatment; Streptococcal pharyngitis or tonsillitis in adults or children aged 2 years and older who cannot use first-line therapy; Acute otitis media caused by the specified susceptible bacteria in children aged 6 months and older; Urethritis or cervicitis caused by the specified susceptible organisms in adults · Common side effects — Vomiting · Warnings — Serious allergic and skin reactions; Hepatotoxicity; QT prolongation / torsades de pointes · Interactions — Nelfinavir; Warfarin
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.
Capsera