Dry eyes, loss of appetite, weight loss, mouth sores, dry mouth, changes in taste, nausea, vomiting, diarrhea, constipation, tiredness/weakness, headache, or dry skin may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
To relieve or prevent dry eyes, use lubricating eye drops or gel (such as artificial tears).
Temporary hair loss may occur. Normal hair growth should return after treatment has ended.
People using this medication may have serious side effects. However, your doctor has prescribed this drug because he or she has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk.
Tell your doctor right away if you have any serious side effects, including: vision changes (such as blurred vision, seeing floaters/flashes of light), signs of high phosphate levels (such as muscle cramps, mental/mood changes, numbness/tingling around the mouth), nail problems (such as loosening of nail), stomach/abdominal pain, yellowing eyes/skin, signs of kidney problems (such as change in the amount of urine), signs of infection (such as fever, chills), chest pain, shortness of breath, joint pain, tingling/burning/swelling of the hands/feet, signs of dehydration (such as extreme thirst, dizziness, fainting), unusual tiredness, easy bruising/bleeding.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.