After taking thalidomide nausea if intolerance then the drug can be discontinued or other drugs can be chosen as prescribed by the doctor. Thalidomide is an immunosuppressant, suitable for moderate to severe leprosy erythema nodosum dermatosis in the acute phase of the treatment, common adverse reactions include dry mucous membranes, lethargy, rash, constipation, nausea, drowsiness, etc., if the adverse reactions are intolerable, you need to consult a medical professional to consider whether to discontinue the drug or to choose other drugs. Thalidomide is not recommended for those who are allergic to its ingredients, pregnant, not using contraception and of childbearing potential, and should be used with caution by children, lactating women, and the elderly. Seek medical attention for any serious discomfort while taking the drug. Avoid stimulating food and follow the doctor’s instructions.