STUDENT NAME ___Kathy LaTouche__________________________________
MEDICATION ___Tetracyclines__________________________________________________________________ REVIEW MODULE CHAPTER _________
CATEGORY CLASS protein synthesis inhibitor antibiotics_______________________________________________________
PURPOSE OF MEDICATION
Expected Pharmacological Action Therapeutic Use
Tetracyclines specifically inhibit the 30S ribosomal Tetracyclines are used to treat infections and to help
subunit, hindering the binding of the aminoacyl- control acne. Demeclocycline, doxycycline, and
tRNA to the acceptor site on the mRNA-ribosome minocycline also may be used for other problems as
complex. When this process halts, a cell can no determined by your doctor. Tetracyclines will not
Complications Medication Administration
Headache, blurred vision, seeing double, or loss of vision. orally and Tetracyclinesshould be taken
with a full glass (8 ounces) of water to
skin rash, hives, swelling of the face, throat, tongue, lips, and eyes.
prevent irritation of the esophagus (tube
difficulty breathing or swallowing. between the throat and stomach) or
stomach. In addition, most tetracyclines
(except doxycycline and minocycline) are
best taken on an empty stomach (either 1
Contraindications/Precautions
Patients who have had an allergic reaction to them.
Children < 8 years of age (except sometimes for inhalational Nursing Interventions
anthrax or other severe illnesses, such as Rocky Mountain The drug should be taken on an
spotted fever. Symptoms are high fever, severe headache, empty stomach, 1 hour before or 2–3
hours after meals, with a full glass of
water. Do not take the drug with
Interactions food, dairy products, iron
preparations, or antacids.
For at least 2 hours before or 2 hours after taking tetracycline: avoid
taking iron supplements, multivitamins, calcium supplements,
antacids, or laxatives. Antibiotic medicines can cause diarrhea,
which may be a sign of a new infection.
Client Education
Tetracyclineshould be taken on an empty
stomach, at least 1 hour before or 2 hours
Evaluation of Medication Effectiveness after meals or snacks. Drink a full glass of
Susceptibility testingis used to determine which water with each dose of tetracycline. Do
not take tetracycline with food, especially
antimicrobials will inhibit the growth of the bacteria or fungi
causing a specific infection. The results from this test will help dairy products such as milk, yogurt,
a health care practitioner determine which drugs are likely to cheese, and ice cream.
be most effective in treating a person's infection