A client with tuberculosis is being started on ethambutol (Myambutol). What should the client be instructed about this medication? (Select all that apply.)
1. Take with a pyridoxine.
2. Look at a blue object every day.
3. Drink at least 2 liters of fluid each day.
4. Avoid alcohol while taking this medication.
5. Monitor vision daily by reading the newspaper.
Answer: 2, 5
1. Isoniazid (INH) needs to be taken with pyridoxine.
2. Ethambutol (Myambutol) is reversibly toxic to the optic nerve. Signs include decreased visual and color acuity. The client should be instructed to look at the same blue object every day.
3. Drinking 2 liters of fluid each day is necessary when taking pyrazinamide (Tebrazid).
4. Alcohol should be avoided while taking isoniazid (INH).
5. Ethambutol (Myambutol) is reversibly toxic to the optic nerve. Signs include decreased visual and color acuity. The client should be instructed to monitor vision daily by reading newspapers.
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