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    What is Ethambutol used for?

    Ethambutol is an antibiotic used to treat tuberculosis (TB). This oral medication works by stopping the growth of tuberculous bacteria in the body. It is often used in combination with other medications. This medicine may also be used to treat other conditions as determined by your doctor.

    What is the recommended dosage of Ethambutol?

    The dosage of Ethambutol prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

    Ethambutol can be taken with food to prevent stomach upset.

    What if you miss a dose of Ethambutol?

    If your physician has instructed or directed you to take Ethambutol medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

    What if you overdose on Ethambutol?

    Any medication taken in excess can have serious consequences. If you suspect an overdose of Ethambutol, seek medical attention immediately.

    What other drugs could interact with Ethambutol?

    Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Ethambutol, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

    Ethambutol can interact with antacids that contain aluminum.

    Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

    What are the side effects of Ethambutol?

    Like other medicines, Ethambutol can cause some side effects. If they do occur, the side effects of Ethambutol are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

    It is pertinent to note that side effects of Ethambutol cannot be anticipated. If any side effects of Ethambutol develop or change in intensity, the doctor should be informed as soon as possible.

    Ethambutol can cause side effects such as nausea, vomiting, stomach upset, headache, dizziness, and joint pain. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Ethambutol.

    What are the questions to ask your doctor before taking Ethambutol?

    Is it possible for me to take Ethambutol with other drugs?
    Should certain beverages, foods and other products be avoided when I take Ethambutol?
    What are the possible drug interactions of Ethambutol?
    How will Ethambutol work in my body?
    How should Ethambutol be taken?
    How to reduce the risk of Ethambutol drug interactions and side effects?


    The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Ethambutol is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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    Ask or Reply Questions
    Posted By... IDMRx User | 2011-05-02
    What is your suggested amount of medicines to be taken so i may purchase enough. Reply
    Replied by Pharmacist @ IDM
    Hi, Recommended dosage for rifampin-isoniazid-ethambutol-pyrazinamide is; Adult (average of 50 kg body weightt) 3 tablets/day. Patients weighing >70 kg 5 tab; 55-70 kg 4 tab; 38-54 kg 3 tab; 30-37 kg 2 tab. All doses should be taken once daily for 4 month. But the dosage of Rifampin–Isoniazid–Ethambutol–Pyrazinamide prescribed to each patient will vary. Always follow your physician's instructions and/or the directions on the prescription drug label since your physician will prescribe you the exact dosage based on your health conditions.
    Posted By... IDMRx User | 2010-10-19
    I have got TB and taking RIFAMPIN-ISONIAZID-ETHAMBUTOL. Now I have infection in my eardrum, is this caused by the TB? One more thing, I need to take co-amoxiclav to treat the ear problem, will it interact with the TB drug? Thanks Reply
    Replied by Pharmacist @ IDM
    Hi Josh, As per your statement, already you are taking RIFAMPIN-ISONIAZID-ETHAMBUTOL which is used to treat TB caused by bacterial infections, but now you want to take Amoxiclav. So in this condition I would suggest you to consult your physician regarding this, since he only knows about the severity of your body conditions.
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