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CH 85
Tetracycline
| Question | Answer |
|---|---|
| What are the 4 members of the tetracycline family available for systemic therapy? | Tetracycline, Demeclocycline, Doxycycline, Minocycline |
| Administration route of Tetracycline | Oral (on an empty stomach), IV (high doses associated with liver damage, IM (rare and painful) |
| mechanism of action of Tetracycline | inhibits protein synthesis (inhibits the binding of tRNA to mRNA) |
| tetracycline: broad/narrow spectrum? | broad |
| adverse effects of tetracycline administered orally: | GI irritation (n/v/d/epigastric burning/cramps) |
| Adverse effects of tetracycline: | discoloration of teeth and bones, suppression of long bone growth in premature infants, suprainfection, hepatotoxicity, renal toxicity, photosensitivity, liver dysfunction (high doses) |
| what is a monocycline-specific adverse effect? | vestibular toxicity (dizziness, light-headedness, unsteadiness) |
| is long bone growth suppression in premature infants related to tetracycline reversible? | yes upon DC |
| who should NOT receive tetracycline? | pregnant women/children because of staining teeth of child/newborn |