Not synthesized from microorganisms, usually bacteriostatic but some are bactericidal

Side Effects: Photosensitivity, Allergy

Antibacterials

Antibacterials

Urinary Tract Infectives

Special Directions: Take with food, drink plenty of fluid

Urinary Anti-Infectives

Special Directions: take on empty stomach and drink plenty of fluids

Synthesized by microorganisms - grown

Can be bacteriostatic or bactericidal

most are taken on an empty stomach (one hour before or two hours after a meal) to ensure proper absorption.

Should be taken for the full course of therapy.

Certain liquid antibiotics need refrigeration and certain powders need to b reconstituted. Once reconstituted, some of these products should have 10-14 day expirations.

Have many drug interactions - antacids decrease the absoprtion and should be given 2 to 4 hours apart.

Cimetidine (Tagamet) increases the effect, caffeine clearing from the body is reduced, theophylline levels are increased