Myambutol

DRUG DESCRIPTION

MYAMBUTOL ethambutol hydrochloride is an oral chemotherapeutic agent which
is specifically effective against actively growing microorganisms of the genus
Mycobacterium, including M. tuberculosis. The structural formula
is:

(+)-2,2'(Ethylenediimino)-di-1-butanol dihydrochloride

MYAMBUTOL (ethambutol) 100 and 400 mg tablets contain the following inactive ingredients:
Gelatin, Hydroxypropyl Methylcellulose, Magnesium Stearate, Sodium Lauryl Sulfate,
Sorbitol, Stearic Acid, Sucrose, Titanium Dioxide and other ingredients.

What are the possible side effects of ethambutol (Myambutol)?

If you experience any of the following serious side effects, stop taking ethambutol and seek emergency medical attention or contact your doctor immediately:

• an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);


• vision changes (e.g., blurring, red-green color blindness);


• a rash;


• numbness or tingling in your fingers, toes, hands, or feet;


• confusion, disorientation, or hallucinations; or

...

Read All Potential Side Effects and See Pictures of Myambutol »

What are the precautions when taking ethambutol (Myambutol)?

Before taking ethambutol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: eye problems (such as optic neuritis, cataracts, diabetic retinopathy), liver disease, kidney disease, alcohol use.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Alcohol may increase the risk of liver disease. Avoid alcoholic beverages while using this medication.

During pregnancy, this...

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Myambutol Consumer (continued)

SIDE EFFECTS: Headache, loss of appetite, upset stomach, or nausea/vomiting may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: vision changes (such as blurred/decreased vision, color blindness), symptoms of liver disease (such as persistent nausea/vomiting, unusual tiredness/weakness, severe stomach/abdominal pain, yellowing eyes/skin, dark urine), numbness/tingling of arms/legs, toe/joint pain.

Tell your doctor immediately if any of these rare but serious side effects occur: mental/mood disorders (such as confusion, hallucinations), signs of a new infection (such as fever, persistent sore throat), easy bleeding/bruising.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before taking ethambutol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: eye problems (such as optic neuritis, cataracts, diabetic retinopathy), liver disease, kidney disease, alcohol use.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Alcohol may increase the risk of liver disease. Avoid alcoholic beverages while using this medication.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

This medication passes into breast milk but is unlikely to harm a nursing infant. Consult your doctor before breast-feeding. If you have HIV disease, do not breast-feed because breast milk can transmit HIV.

Myambutol Patient Information Including Side Effects

Brand Names: Myambutol

Generic Name: ethambutol (Pronunciation: eth AM bue tol)

• What is ethambutol (Myambutol)?


• What are the possible side effects of ethambutol (Myambutol)?


• What is the most important information I should know about ethambutol (Myambutol)?


• What should I discuss with my healthcare provider before taking ethambutol (Myambutol)?


• How should I take ethambutol (Myambutol)?


• What happens if I miss a dose (Myambutol)?


• What happens if I overdose (Myambutol)?


• What should I avoid while taking ethambutol (Myambutol)?


• What other drugs will affect ethambutol (Myambutol)?


• Where can I get more information?

What is ethambutol (Myambutol)?

Ethambutol is an antibiotic. It prevents growth of the tuberculous bacteria in the body.

Ethambutol is used to treat tuberculosis (TB).

Ethambutol may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of ethambutol (Myambutol)?

If you experience any of the following serious side effects, stop taking ethambutol and seek emergency medical attention or contact your doctor immediately:

• an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);


• vision changes (e.g., blurring, red-green color blindness);


• a rash;


• numbness or tingling in your fingers, toes, hands, or feet;


• confusion, disorientation, or hallucinations; or


• fever.

Other, less serious side effects may be more likely to occur. Continue to take ethambutol and talk to your doctor if you experience

• stomach upset, nausea, vomiting, abdominal pain, or decreased appetite;


• headache;


• mild dizziness;


• worsening gout; or


• joint pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about ethambutol (Myambutol)?

Take all of the ethambutol that has been prescribed for you even if you begin to feel better. Your symptoms may begin to improve before the infection is completely treated.

Call your doctor immediately if you experience changes in vision (e.g., blurring, red-green color blindness) or a rash.

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• Myambutol