Diarrhea, hoarseness, or tiredness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
People using this medication may have serious side effects. However, you have been prescribed this drug because your doctor has judged that the benefit to you is greater than the risk of side effects. Careful monitoring by your doctor may decrease your risk.
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high.
Tell your doctor right away if you have any serious side effects, including: easy bruising/bleeding, swelling hands/feet/legs, signs of liver problems (such as nausea/vomiting that doesn't stop, loss of appetite, yellowing eyes/skin, dark urine), slow wound healing.
Get medical help right away if you have any very serious side effects, including: symptoms of a heart attack (such as chest/jaw/left arm pain, shortness of breath, unusual sweating), signs of a stroke (such as weakness on one side of the body, trouble speaking, sudden vision changes, confusion), pink/bloody urine.
This medication may lower your ability to fight infections. This may make you more likely to get a serious (rarely fatal) infection or make any infection you have worse. Tell your doctor right away if you have any signs of infection (such as sore throat that doesn't go away, fever, chills, cough, burning/frequent/painful/urgent urination).
This medication can also cause serious (possibly fatal) bleeding, such as bleeding from the stomach/intestines. You should not receive this medication if you have any serious bleeding problems. In addition, this medication can rarely cause a tear in the stomach/intestines (gastrointestinal perforation). Get medical help right away if you have any signs of these serious side effects, including stomach/abdominal pain that is severe or doesn't go away, bloody or black/tarry stools, vomit that is bloody or looks like coffee grounds, coughing up blood, dizziness/fainting.
Treatment with this drug may sometimes cause your hands/feet to develop a skin reaction called hand-foot skin reaction (palmar-plantar erythrodysesthesia). Tell your doctor right away if you experience swelling, pain, redness, peeling, blisters, or tingling/burning of the hands/feet. Depending on how severe your hand-foot reaction is, your doctor may lower your dose or delay your treatment.
Rarely, fruquintinib may cause a condition called PRES (posterior reversible encephalopathy syndrome). Get medical help right away if you develop headache that doesn't go away, seizures, sudden vision changes, mental/mood changes (such as confusion).
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 MedWatch: The FDA Safety Information and Adverse Event Reporting Program.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.