The nurse is instructing a female client about therapy with tetracycline (Sumycin). Which statement should be included in the instruction?

Question

1. "Absorption of this drug is not affected by food."
2. "GI upset is a rare side effect."
3. "If taking oral contraceptives, an additional form of birth control is recommended."
4. "Take this drug immediately before bedtime."

Answer 1

Correct Answer: 3
Rationale 1: Dairy products decrease absorption of tetracycline (Sumycin).
Rationale 2: GI upset, nausea, vomiting, epigastric burning, and diarrhea are frequent side effects of tetracyclines.
Rationale 3: Tetracyclines decrease the effectiveness of oral contraceptive therapy.
Rationale 4: Esophagitis and esophageal ulceration are associated with taking tetracycline before bed. The client should be instructed to avoid this practice.
Global Rationale: Tetracyclines decrease the effectiveness of oral contraceptive therapy. Esophagitis and esophageal ulceration are associated with taking tetracycline before bed. The client should be instructed to avoid this practice. GI upset, nausea, vomiting, epigastric burning, and diarrhea are frequent side effects of tetracyclines.
Dairy products decrease absorption.