Contraindications: Do not use if you have, or are at high risk for, blood clots (e.g. temporarily or permanently immobilized, over the age of 80, taking birth-control pills, etc.), heart disease and/or circulatory problems (e.g. heart attacks, peripheral arterial disease, stroke, high blood pressure, hyperlipidemia, diabetes, etc.). Do not use if you have kidney disease. Do not use if you are pregnant or breast-feeding.
Known adverse reactions: Discontinue use and consult a health-care practitioner in case of rash or hypersensitivity reaction, as this may be a sign of a serious allergic reaction (e.g. DRESS or Stevens-Johnson syndrome).
Do not use if the seal is broken. Keep out of reach of children.