Myambutol (Oral)

Questions | Reviews

Myambutol (Ethambutol)

  After taking Ethambutol (400mg) for 12 months for severe lung infection (not TB), my vision has been damaged.  Have blurred vision and cannot distinguish colors accurately.  After stopping the medication, what are the chances that I c...
by Barbara Cox in Dallas-Ft. Worth, Texas area, 12/10/2008

Myambutol (Oral) Drug and Prescription Information

Myambutol (Oral)

Myambutol (Oral) Medication Classification


Myambutol (Oral) Brandname


Myambutol (Oral) is used for the Treatment

Ethambutol (e-THAM-byoo-tole) Treats tuberculosis (TB).

When To Not Use Myambutol (Oral)

You should not use this medicine if you have ever had an allergic reaction to ethambutol or if you have damaged eye nerves (optic neuritis).

How Should You Use Myambutol (Oral)


  • Your doctor will tell you how much medicine to take and how often.
  • Ethambutol can be taken with food to avoid stomach upset.
  • Take this medicine on a regular schedule. Keep taking it even if you are feeling better. Your doctor will tell you when you can stop taking it.
  • If a dose is missed:
  • Take the missed dose as soon as possible.
  • Skip the missed dose if it is almost time for your next regular dose.
  • You should not use two doses at the same time.

Proper Myambutol (Oral) Storage

Store Myambutol (Oral) at room temperature away from sunlight and moisture unless otherwise stated by manufacturer's instructions or labelling. Keep Myambutol (Oral) and all medications out of the reach of children.

What To Avoid While Using Myambutol (Oral)

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Myambutol (Oral) Warnings

  • If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
  • Check with your doctor before taking ethambutol if you have gout, kidney disease, or liver disease.
  • This medicine may cause blurred vision. If it does, avoid driving or using dangerous machinery.

Myambutol (Oral) Side Effects

Call your doctor right away if you notice any of these side effects:

  • Any vision changes such as blurring, color blindness, trouble seeing
  • Eye pain
  • Swelling of face, lips, throat
  • Hives
  • Wheezing or trouble breathing
  • Numbness, pain, or tingling in hands or feet
  • Joint pain
  • Fever or chills
  • Skin rash
  • If you notice these less serious side effects, talk with your doctor:
  • Nausea and vomiting
  • Stomach pain
  • Headache
  • Dizziness
  • Poor appetite

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