Using too much topical minoxidil can cause serious side effects like dizziness and low blood pressure.
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January 2007 in “Cutaneous and Ocular Toxicology” Iranian veterans exposed to sulfur mustard suffer from long-term skin itching and eye damage, with some risk of skin cancer and ongoing management challenges.
December 2025 in “Archives of Dermatological Research” Topical minoxidil can cause unwanted hair growth and eye issues, especially in infants, so better education and guidelines are needed.
May 2025 in “BMJ Case Reports” Minoxidil can cause temporary vision loss and color blindness.
May 2011 in “Journal of Clinical Neuroscience” The woman was diagnosed with Vogt–Koyanagi–Harada disease and successfully treated with medication, restoring her vision and stopping headaches.