If you experience any of the following serious side effects, stop taking anagrelide and seek emergency medical attention or notify your doctor immediately:an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);fast, slow, or irregular heartbeat;chest pain;swelling of the hands, feet, or legs;shortness of breath or difficulty in breathing;seizures;bloody or black vomit or stools;abdominal pain;unusual, prolonged, or severe bleeding or bruising; ora bleeding nose.
Other, less serious side effects may also occur. Continue to take anagrelide and talk to your doctor if you experience
headache;diarrhea; tingling or numbness in the hands or feet;upset stomach, nausea, or vomiting;dizziness;gas;fever;a rash or itching;loss of appetite;sore throat;cough; orback pain.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.