Please note this is not a complete list of side effects. Not everyone experiences side effects; they are not guaranteed. If you do have side effects and they become unmanageable, consult your doctor about alternate medications.
Common side effects of Cytoxan may include:
- Hair loss.
- Not hungry.
- Diarrhea.
- Upset stomach or throwing up.
- Belly pain.
- Change in color of skin.
- Change in nails.
Serious side effects of Cytoxan may include:
- Cough or hoarseness
- fever or chills
- lower back or side pain
- missing menstrual periods
- painful or difficult urination
Signs to watch for:
Allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
Infection: fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or wound that will not heal.
Internal bleeding: throwing up or coughing up blood; vomit that looks like coffee grounds; blood in the urine; black, red, or tarry stools; bleeding from the gums; abnormal vaginal bleeding; bruises without a cause or that get bigger; or bleeding you cannot stop.
Kidney problems: unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
Low sodium levels: headache, trouble focusing, memory problems, feeling confused, weakness, seizures, or change in balance.