Table 3.

Side effects during and after methylene blue administration

Patient number	Side effects after methylene blue administration	Side effects in the control group
1	Sweating during infusion, abdominal pain, diarrhea, blue urine	Blue urine
2	Pain in the arm during infusion, blue urine	No complications
3	Pain relief 3 days, but tired with poor concentration	Hypoesthesia in the affected arm, more pain
4	Abdominal pain, diarrhea, nausea, blue urine	Dizziness, headache
5	Blue urine	No complications
6	Pain in the infusion arm, tired, nausea	Pain in the infusion arm, tired
7	Sweating, pain in the infusion arm	No complications
8	Irritation of the skin at the puncture site	No complications
9	No complications	No complications
10	No complications	No complications