Quinolones with a fluorine atom are called fluoroquinolones. while Quinolones haven't a fluorine atom.

The quinolones are a group of antibiotics. They are considered broad spectrum antibiotics in that they can treat a wide variety of things, and are broken down into four generations based on their specific sensitivities:

First generation quinolones have a wide gram positive spectrum, but the gram negative coverage is pretty narrow. They are not used much anymore because they tend to have toxicity issues.

Second generation quinolones have a little wide gram negative spectrum, but a little narrower gram positive.

Third generation quinolones are like second generation but can also work against Staph.

Fourth generation quinolones are like third generation but have a wider gram positive coverage and can also treat anaerobes.

No - Antibiotics such as Ciprofloxacin HCL are quinolones, and penicillin is a beta lactum antibiotic.

Quinolones are the antibiotic that shouldn't be used in children because of this possible side effect. Young dogs had tendon weakness after receiving a quinolone antibiotic.

Quinolones are : (most common) :

ciprofloxacin (Cipro)

levofloxacin (Levaquin)

moxifloxacin (Avelox)

But this side effect is not a real issue in adults.

Amoxicillin alone, in combination with Clavulanic Acid, Quinolones like Enrofloxacin, Ciprofloxacin are good choices for initial therapy.