Because methylene blue crosses into the brain, it can cause central nervous side effects such as dizziness, confusion, and headache, Alan said. Mixing it with certain antidepressants can also lead ...

The Cleveland Clinic lists common side effects of methylene blue, including blue urine, nausea, vomiting, skin discoloration, dizziness, and headaches. Some studies also suggest that taking it in ...

Recent trials on methylene blue have included 2,800+ participants and no reported side effects. Generally, participants experience the active effects of methylene blue without any downsides. As with ...

may be at a heightened risk of serious side effects. While methylene blue has legitimate medical uses, its trending status as a miracle supplement is largely based on speculation. Experts caution ...