promacta (or eltrombopag) decrease ferrum?

is there anyone with using promacta (or eltrombopag)with decreasing ferrum?

Do you mean ferritin? If so, I would imagine it could be a side effect. It can also occur for no real reason. A few people here, including me, have had low ferritin without having used Promacta. I just take an iron supplement.

yes ferritin. and now B12 decreased too. my hemotolog said that no side effect seen with ferritin derease. she send me gastroenterology for colonoscopy.

How are your counts? Sounds like your doctor wants to rule out gastro bleeding.
Erica

Were those tested prior to Promacta? Could they have been low for a while?

I've had problems with both low ferritin and low B-12 (and low Vitamin D and low potassium, and magnesium).

I have had ITP for 18years and nothing seemed to work for me I was always needing IVig Which I got horrible side effects for 3-4 days after the 4 day infusion. My Dr put me on Promacta 75 mg So far no side effects (except one and the Dr said it is not from the promacta but i say it is, I used to have natural curly hair and guess what it is now straight) But my platelets have been staying in the 90 to 100's. Whenever i would get a cold or flu my platelets would drop to 3. Since I've been on the Promacta the lowest they drop when I get sick is 45 which is a safe level for me.

Please excuse my stupidity I can't seem to guide myself through these discussion groups, but since i am here and i already wrote about my experience with Promacta, I too have low vitamin D. Just found out a few days ago but it never occurred to me that it was from the Promacta....MMMMMM. I am glad I am back

Almost everyone has low vitamin D nowadays so I wouldn't put that down to any particular drug. We are all encouraged to cover up and use sun screen and it means far less vitamin D is made by the body.