- effective against a wide variety of microorganisms: a broad-spectrum antibiotic
- showing a wide variety: a broad-spectrum array
The definition of broad-spectrum is something that is effective in a wide variety of ways.
An example of broad-spectrum is an antibiotic such as penicillin.
Widely applicable or effective: a broad-spectrum antibiotic.
- Alternative spelling of broad-spectrum.
- In addition to topical medications, the doctor may prescribe oral ivermectin, a drug that was originally developed for veterinary practice as a broad-spectrum antiparasite agent.
- The fluoroquinolones, which are based on the older group, are broad-spectrum bactericidal drugs that are chemically unrelated to the penicillins or the cephalosporins.
- Broad-spectrum bacteriostatic agents, the tetracyclines may be effective against a wide variety of microorganisms, including rickettsia and amoebic parasites.
- Erythromycin and tetracycline are broad-spectrum antibiotics that are known to improve recovery time for symptoms of mycoplasma pneumonia.
- If lung infection is suspected, the infant is given broad-spectrum antibiotics intravenously, either pre- or post-operatively.