Do not take Scleteri 14mg Tablet if you are allergic to any of its components, teriflunomide or leflunomide; if you have severe liver disease, any serious condition that affects the immune system, bone marrow problems, low blood count, serious infection, serious kidney problem which requires dialysis, or hypoproteinaemia (low levels of protein). Inform the doctor if you have liver problems, high blood pressure, infection, diabetes, breathing problems, severe skin reactions, respiratory symptoms, tuberculosis, or peripheral neuropathy. Do not take Scleteri 14mg Tablet if you are pregnant or breastfeeding. Consult the doctor immediately if you become pregnant during treatment with Scleteri 14mg Tablet . This medicine may cause serious or life-threatening liver damage that may require a liver transplant. The risk of liver damage may be increased in people taking other medications known to cause liver damage and in people who already have liver disease. Seek medical attention if you experience symptoms of liver problems such as nausea, vomiting, unusual bleeding or bruising, extreme tiredness, lack of energy, pain in the upper right part of the stomach, loss of appetite, yellowing of the skin or eyes, dark-coloured urine, or flu-like symptoms.