Euthyrox Adverse Reactions

levothyroxine sodium




Zuellig Pharma
Full Prescribing Info
Adverse Reactions
Where the individual tolerance limit for levothyroxine sodium is exceeded or after overdose it is possible for the following clinical symptoms typical of hyperthyroidism to occur, especially if the dose is increased too quickly at the start of treatment: cardiac arrhythmias (e.g. atrial fibrillation and extrasystoles), tachycardia, palpitations, anginal conditions, cephalalgia, muscular weakness and cramps, flushing, fever, vomiting, disorders of menstruation, pseudotumor cerebri, tremor, restlessness, insomnia, hyperhidrosis, weight loss, diarrhoea.
In such cases the daily dose should be reduced or the medication withdrawn for several days. Therapy may be carefully resumed once the adverse reactions have disappeared.
In case of hypersensitivity to any ingredients of Euthyrox allergic reactions particularly of the skin (rash and urticaria) and the respiratory tract may occur. Cases of angioedema have been reported.
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