About

Caprelsa (vandetanib) is a cancer medication indicated for the treatment of the latter stages of a rare form of thyroid cancer called medullary thyroid cancer.

Caprelsa may cause serious side effects including:

• hives,
• difficulty breathing,
• swelling of your face, lips, tongue, or throat,
• fever,
• sore throat,
• burning eyes,
• skin pain,
• red or purple skin rash with blistering and peeling,
• fast or pounding heartbeats,
• fluttering in your chest,
• sudden dizziness,
• wheezing,
• dry cough,
• shortness of breath,
• any wound that will not heal,
• severe or ongoing diarrhea,
• swelling,
• rapid weight gain,
• headache,
• confusion,
• change in mental status,
• seizure,
• extreme tiredness,
• dry skin,
• joint pain or stiffness,
• muscle pain or weakness,
• hoarse voice,
• increased sensitivity to cold temperatures,
• severe headache,
• pounding in your neck or ears,
• anxiety,
• irregular heartbeats,
• unusual bleeding,
• easy bruising,
• cough with bloody mucus,
• vomit that looks like coffee grounds,
• sudden numbness or weakness (especially on one side of the body),
• confusion,
• trouble speaking or understanding what is said to you,
• sudden severe headache, and
• problems with vision or balance