Podcast
Questions and Answers
What is Ethambutol primarily used for?
What is Ethambutol primarily used for?
- Antidepressant
- Pain relief
- Tuberculosis drug (correct)
- Blood pressure medication
What should patients report when taking Ethambutol?
What should patients report when taking Ethambutol?
Vision changes
Ethambutol can be taken with food.
Ethambutol can be taken with food.
True (A)
Which of the following is a side effect of Ethambutol?
Which of the following is a side effect of Ethambutol?
What drug interaction does Ethambutol have with isoniazid?
What drug interaction does Ethambutol have with isoniazid?
What should be measured prior to and every two weeks after starting Pyrazinamide?
What should be measured prior to and every two weeks after starting Pyrazinamide?
What is the primary usage of Pyrazinamide?
What is the primary usage of Pyrazinamide?
Alcohol can be consumed while taking Pyrazinamide.
Alcohol can be consumed while taking Pyrazinamide.
Match the following terms with their definitions:
Match the following terms with their definitions:
Study Notes
Ethambutol Overview
- Ethambutol is primarily used as a drug to treat tuberculosis (Tb) and can be used in conjunction with isoniazid (INH).
- Effective for other infections alongside its primary Tb treatment role.
Drug Interactions
- When combined with isoniazid, ethambutol may lead to increased central nervous system effects.
- The risk of hepatotoxicity rises when used with other TB medications.
- Alcohol consumption is contraindicated during treatment.
Pharmacokinetics
- Ethambutol is absorbed via the gastrointestinal tract and can be taken with food to enhance absorption.
- The drug is metabolized in the liver.
Side Effects
- Ethambutol should not be used in patients with optic neuritis.
- Common side effects include headache, dizziness, numbness or tingling, malaise, itching, joint pain, and vision changes.
Nursing Considerations
- Patients on ethambutol must report any vision changes promptly.
- Prior to starting treatment, essential tests such as chest X-ray and liver function tests should be conducted.
Pyrazinamide Overview
- Pyrazinamide is another drug used to treat uncomplicated pulmonary tuberculosis.
Drug Interactions
- Similar to other TB treatments, pyrazinamide enhances the risk of liver damage.
- May elevate phenytoin levels when used together.
- Alcohol is also prohibited during treatment.
Pharmacokinetics
- The pharmacokinetics of pyrazinamide align with the common absorption and metabolism patterns seen in TB medications.
Side Effects
- Potential side effects include photosensitivity, nausea/vomiting, diarrhea, anorexia, liver toxicity, hyperuricemia, and gouty arthritis.
Nursing Considerations
- Monitoring for signs and symptoms of hepatitis is crucial during treatment.
- Liver function tests, specifically AST and ALT, should be obtained before initiating therapy and every two weeks thereafter.
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Description
Test your knowledge of Ethambutol with these flashcards. Explore the definitions, drug interactions, and pharmacokinetics associated with this essential tuberculosis medication. Perfect for students and healthcare professionals alike.
