SIDE EFFECTS: Headache, joint/muscle pain, dizziness, heartburn, abdominal pain, tingling/numbness in hands/feet, and trouble sleeping 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. This medication may rarely cause serious problems from blood clots to the heart, brain or lung (such as pulmonary embolism, stroke, heart attack), especially if your platelet counts are too high. Keep all medical/lab test appointments. Get medical help right away if you experience: sudden shortness of breath, chest/jaw/left arm pain, coughing up blood, sudden dizziness/fainting, pain/swelling/warmth in the groin/calf, slurred speech, weakness on one side of the body, vision problems/changes. 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.

PRECAUTIONS: Before using romiplostim, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood clots, other blood disorders (such as blood cancer, myelodysplastic syndrome), liver disease. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: signs of blood clots to the leg/lung/heart/brain such as pain/swelling/warmth in the groin/calf, sudden shortness of breath, coughing up blood, sudden dizziness/fainting, chest/jaw/left arm pain, slurred speech, weakness on one side of the body, vision problems/changes.