Levothyroxine Actavis

Levothyroxine Actavis Drug Interactions

levothyroxine sodium

Manufacturer:

Teva

Distributor:

Zuellig
/
Agencia Lei Va Hong
Full Prescribing Info
Drug Interactions
Please tell the doctor or pharmacist if the patient is taking or has recently taken any other medicines, including medicines obtained without a prescription. Especially: medicines to treat diabetes (e.g. insulin, metformin); medicines to control the heart rate such as digoxin; tricyclic antidepressants (e.g. amitriptyline, dosulepin); medicines that stimulate the sympathetic nervous system such as adrenaline (epinephrine); anticoagulants (used to thin the blood) such as warfarin, dicoumarol, acenocoumarol, phenindione; sodium polystyrene sulphonate (used to treat kidney disease); colesytramine (used to treat diarrhoea); medicines to treat stomach ulcers such as sucralfate, cimetidine; aluminium hydroxide (used to treat heartburn); medicines containing calcium carbonate; "iron" tablets (containing ferrous sulphate); medicines to treat epilepsy such as carbamazepine, phenytoin, phenobarbital, primidone; rifampicin (used to treat serious infections); aspirin and phenylbutazone (medicines to reduce inflammation); propranolol (a beta-blocker); medicines containing oestrogen (e.g. HRT, oral contraceptives - "the pill"); amiodarone (used to treat some heart conditions); ketamine (an anaesthetic); lovastatin or colesevelam (used to reduce cholesterol); orlistat (used to aid weight loss); corticosteroids (e.g. hydrocortisone, prednisolone); medicines containing testosterone and mesterolone.
Post-marketing cases have been reported indicating a potential interaction between ritonavir containing products and levothyroxine. Thyroid-stimulating hormone (TSH) should be monitored in patients treated with levothyroxine at least the first month after starting and/or ending ritonavir treatment.
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