Highlights for methylene-blue
methylene-blue Side Effects
Side effects that you should report to your doctor or health care professional as soon as possible:
- bladder irritation
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- blue-green coloration of urine and stools
- nausea, vomiting
- skin discoloration
methylene-blue May Interact with Other Medications
Do not take this medicine with any of the following medications:
- certain medicines for depression or anxiety
- MAOIs like Marplan, Nardil, and Parnate
- St. John's wort
How to Use methylene-blue
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take after meals. Take your doses at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
They need to know if you have any of these conditions:
- cyanide poisoning
- glucose-6-phosphate dehydrogenase (G6PD) deficiency
- kidney disease
- an unusual or allergic reaction to methylene blue, phenothiazines, thiazide diuretics, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Visit your doctor or health care professional for regular checks on your progress.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from moisture and light. Throw away any unused medicine after the expiration date.
Last Updated: November 19, 2012