I have just had a hemorrhoidectomy last week. There were complications with massive blood loss for 2 days. My blood pressure feels too low now..

Incomplete question! Your question cut off and so we don't know what you are asking. Sorry the procedure did not go at all well! If you feel dizzy, or weak, or have fever, or any other concerns, please contact the doctor who did the procedure. He/She is hopefully eager to help you feel better. If not, get a second opinion from another doctor of the same specialty or a hematologist who can follow your blood levels.