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  2. Methylene blue - Wikipedia

    en.wikipedia.org/wiki/Methylene_blue

    Methylene blue has been used as a placebo; physicians would tell their patients to expect their urine to change color and view this as a sign that their condition had improved. [26] This same side effect makes methylene blue difficult to use in traditional placebo-controlled clinical studies, including those testing for its efficacy as a treatment.

  3. Naphthalene poisoning - Wikipedia

    en.wikipedia.org/wiki/Naphthalene_poisoning

    Naphthalene is a major component of some mothballs.It repels moths as well as some animals. [citation needed]Since mothballs that contain naphthalene are considered hazards, safer alternatives have been developed, such as the use of 1,4-dichlorobenzene, however, 1,4-dichlorobenzene has been declared as a potential neurotoxin. 1,4-dichlorobenzene has been linked to potentially causing ...

  4. Double dye test - Wikipedia

    en.wikipedia.org/wiki/Double_dye_test

    For this test, the patient takes oral phenazopyridine (Pyridium) 200 mg three times a day, and indigo carmine or methylene blue is filled into the empty urinary bladder via a urethral catheter. Pyridium turns urine orange in the kidneys, and methylene blue (or indigo carmine) turns urine blue in the bladder. [1] A tampon is placed into the ...

  5. Urine - Wikipedia

    en.wikipedia.org/wiki/Urine

    Blue urine can be caused by the ingestion of methylene blue (e.g., in medications) or foods or beverages with blue dyes. Blue urine stains can be caused by blue diaper syndrome. Purple urine may be due to purple urine bag syndrome. Black or dark-colored urine is referred to as melanuria and may be caused by a melanoma or non-melanin acute ...

  6. Cytochrome b5 reductase - Wikipedia

    en.wikipedia.org/wiki/Cytochrome_b5_reductase

    While the addition of methylene blue to treat cases of methemoglobinemia has been scientifically tested and proven, there are some side effects to note and monitor with high dosages of the antidote. Minor side effects include green or blue discoloration of urine; however, significant side effects include worsening of the present methemoglobinemia.

  7. Prussian blue (medical use) - Wikipedia

    en.wikipedia.org/wiki/Prussian_blue_(medical_use)

    Side effects may include constipation, low blood potassium, and stools that are dark. [ 1 ] [ 3 ] With long-term use, sweat may turn blue. [ 3 ] It mainly works by trapping the toxic monovalent cations in its crystal lattice after ion-exchange with potassium or ammonium cations and thus preventing the absorption of thallium and radio-caesium ...

  8. Public health experts are warning of a ‘quad-demic’ this ...

    www.aol.com/finance/public-health-experts...

    Lighter Side. Medicare. News. Science & Tech. Shopping. Sports. Weather. Public health experts are warning of a ‘quad-demic’ this winter. Here’s where flu, COVID, RSV, and norovirus are ...

  9. Urinalysis - Wikipedia

    en.wikipedia.org/wiki/Urinalysis

    Urine pH may be monitored to help prevent the formation of kidney stones or to avoid side effects of some drugs, [68] such as high-dose methotrexate therapy, in which crystals that cause kidney damage can form if the urine is acidic. [69] If microscopy is performed, knowing the pH of the sample helps to identify any crystals that might be ...