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Chloroquine retinopathy is a form of toxic retinopathy (damage of the retina) caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus. This eye toxicity limits long-term use of the drugs. [3]
A French study published in 2024 found that the use of hydroxychloroquine may have been associated with 17,000 deaths in Belgium, Turkey, France, Italy, Spain, and the United States. [61] [62] This study was ultimately retracted on August 22, 2024, after "the Editor-in-Chief found the conclusions of the article to be unreliable".
Postinflammatory hyperpigmentation (PIH) is a skin condition characterized by the darkening of the skin (hyperpigmentation) following an inflammatory injury, such as acne, dermatitis, infectious disease, or trauma. Less frequently, it may occur as a complication of a medical procedure performed on the skin. It is a common cause of skin ...
One of the most notable scientific papers that first popularized hydroxychloroquine as a COVID-19 treatment was retracted from its journal due to ethical and methodological issues. Retractions in ...
The medical journal The Lancet on Thursday retracted a large study on the use of hydroxychloroquine to treat COVID-19 because of potential flaws in the research data. Thursday's retraction doesn't ...
Chloroquine and hydroxychloroquine are anti-malarial medications also used against some auto-immune diseases. [64] Chloroquine, along with hydroxychloroquine, was an early experimental treatment for COVID-19. [65] Neither drug has been useful to prevent or treat SARS-CoV-2 infection.
The National Institutes of Health (NIH) said on Thursday it was testing anti-malaria drug hydroxychloroquine for treating COVID-19. NIH begins trial to test hydroxychloroquine for treating COVID ...
Hypopigmentation can be caused by hereditary conditions such as vitiligo, melasma, pityriasis versicolor, pityriasis alba, albinism, and fungal infections. [4] Hyperpigmentation results from an increase in melanin synthesis, which is mostly brought on by sun exposure, dermatological disorders, hormones, aging, genetic factors, skin injuries or ...