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  2. Optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Optic_neuropathy

    A clue to the cause of intoxication is the presence of oxalate crystals in the urine. Like methanol intoxication, treatment is ethanol consumption. Ethambutol, a drug commonly used to treat tuberculosis, is notorious for causing toxic optic neuropathy. People with vision loss from ethambutol toxicity lose vision in both eyes equally.

  3. Toxic and nutritional optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Toxic_and_nutritional...

    There are several causes of toxic optic neuropathy. [1] Among these are: ingestion of methanol (wood alcohol), ethylene glycol (automotive antifreeze), disulfiram (used to treat chronic alcoholism), halogenated hydroquinolones (amebicidal medications), ethambutol and isoniazid (tuberculosis treatment), and antibiotics such as linezolid and chloramphenicol as well as chloroquine and the related ...

  4. Ethambutol - Wikipedia

    en.wikipedia.org/wiki/Ethambutol

    (S,S)-(+)-Ethambutol is powerful and selective antitubercular drug.It is a typical example of an old drug that was introduced for clinical use in its unichiral form. . Ethambutol contains two constitutionally symmetrical chiral centers in its structure and exists in three stereoisomeric forms, the enantiomeric pair (+)-(S,S)- and (−)-(R,R)-ethambutol, along with the achiral stereoisomer called m

  5. Management of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Management_of_tuberculosis

    Management of tuberculosis refers to techniques and procedures utilized for treating tuberculosis (TB), or simply a treatment plan for TB.. The medical standard for active TB is a short course treatment involving a combination of isoniazid, rifampicin (also known as Rifampin), pyrazinamide, and ethambutol for the first two months.

  6. Mitochondrial optic neuropathies - Wikipedia

    en.wikipedia.org/wiki/Mitochondrial_optic...

    Treatment is dependent upon diagnosis and the stage at which the diagnosis is secured. For toxic and nutritional optic neuropathies, the most important course is to remove the offending agent if possible and to replace the missing nutritional elements, orally, intramuscularly, or intravenously. If treatment is delayed, the injury may be ...

  7. Ethambutol/isoniazid/pyrazinamide/rifampicin - Wikipedia

    en.wikipedia.org/wiki/Ethambutol/isoniazid/pyraz...

    It is a fixed dose combination of ethambutol, isoniazid, pyrazinamide, and rifampicin. [1] It is used either alone or with other antituberculosis medication. [1] It is taken by mouth. [1] Side effects are those of the underlying medications. [1] Pyridoxine may be used to decrease the risk of numbness. [2]

  8. Isoniazid - Wikipedia

    en.wikipedia.org/wiki/Isoniazid

    Isoniazid was widely used in the treatment of Mycobacterium avium complex as part of a regimen including rifampicin and ethambutol. [19] Evidence suggests that isoniazid prevents mycolic acid synthesis in M. avium complex as in M. tuberculosis [20] and although this is not bactericidal to M. avium complex, it greatly potentiates the effect of ...

  9. Leber's hereditary optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Leber's_hereditary_optic...

    Both eyes become affected either simultaneously (25% of cases) or sequentially (75% of cases) with a median inter-eye delay of 8 weeks. Rarely, only one eye is affected. In the acute stage, lasting a few weeks, the affected eye demonstrates an oedematous appearance of the nerve fiber layer, especially in the arcuate bundles and enlarged or ...