See also Warning section.
Shaking (tremor), headache, diarrhea, nausea/>vomiting, upset stomach, loss of appetite, trouble sleeping, or tingling hands/feet may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: change in the amount of urine, mental/mood changes (e.g., anxiety, agitation), extreme tiredness, swelling ankles/feet, pounding heartbeat, muscle spasm/>weakness, hearing problems (e.g., hearing loss, ringing in the ears), pain/redness/swelling at injection site or in the arms/legs, dizziness, easy bruising/bleeding, yellowing skin/>eyes, persistent nausea/vomiting, severe stomach/>abdominal pain, dark urine, shortness of breath, severe leg pain.
This medication may also increase your risk of getting a rare but very serious (sometimes fatal) brain infection (progressive multifocal leukoencephalopathy-PML). Get medical help right away if any of these rare but very serious side effects occur: clumsiness, loss of coordination, weakness, sudden change in your thinking (such as confusion, difficulty concentrating), difficulty moving your muscles, problems with speech, seizure, vision changes.
Get medical help right away if any of these rare but very serious side effects occur: fainting, fast/>irregular heartbeat, severe dizziness, chest pain, black stools, vomit that looks like coffee grounds, trouble breathing.
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high. Your doctor may control your blood pressure with medication.
Tacrolimus may cause diabetes. Tell your doctor or pharmacist if you experience any of the following symptoms of high blood sugar: increased thirst/hunger, frequent urination.
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.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.