Ethambutol and Isoniazid (Systemic)
Precautions While Using This MedicineIt is very important that your doctor check your progress at
regular visits. Also, check with your doctor immediately if blurred vision,
red-green color blindness, or loss of vision, with or without eye pain, occurs
during treatment
. Your doctor may want you to have your eyes checked
by an ophthalmologist (eye doctor).
Also, make sure you know how you react to this medicine
before you drive, use machines, or do anything else that could be dangerous
if you are not alert or able to see well
.
If your symptoms do not improve within 2 to 3 weeks, or if they become
worse, check with your doctor.
Certain foods such as cheese (Swiss or Cheshire) or fish (tuna, skipjack,
or Sardinella) may rarely cause reactions in some patients taking this medicine.
Check with your doctor if redness or itching of the skin, hot feeling, fast
or pounding heartbeat, sweating, chills or clammy feeling, headache, or light-headedness
occurs while you are taking this medicine.
Liver problems may be more likely to occur if you drink alcoholic beverages
regularly while you are taking this medicine. Also, the regular use of alcohol
may keep this medicine from working properly. Therefore, you should strictly limit the amount of alcoholic beverages you drink while
you are taking this medicine
.
If this medicine causes you to feel very tired or very
weak, or causes clumsiness, unsteadiness, a loss of appetite, nausea, numbness,
tingling, burning, or pain in the hands and feet, or vomiting, check with
your doctor immediately
. These may be early warning signs of more serious
liver or nerve problems that could develop later.
For diabetic patients:
-
This medicine may cause false test results with
some urine sugar tests
. Check with your doctor before changing your
diet or the dosage of your diabetes medicine.
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