Indications 

Cytomel is a prescription medication indicated to treat symptoms of hyperthyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. 

Cytomel is a synthetic version of the thyroid hormone made by the thyroid gland. It is categorized as a thyroid product and works by supplying the required thyroid hormone levels to regulate the body’s metabolism and energy. 

Cytomel may also be prescribed for the treatment of various thyroid problems, including specific types of goiters and thyroid cancer. It can also serve as a diagnostic agent in thyroid suppression tests, enabling differentiation between suspected cases of mild hyperthyroidism or thyroid gland autonomy. 

Uses and Dosage 

To ensure safe and effective use of Cytomel, carefully review its patient information leaflet and medication guide before initiating treatment and each subsequent refill. For any questions or uncertainties, seek guidance from a healthcare professional. 

Cytomel’s dosage is individualized based on medical condition, age, lab test results, and response to treatment.  

Typically, Cytomel treatment is initiated at a low dose and gradually increased at intervals of no more than once every 1 to 2 weeks. It is usually administered once a day with or without food.  

For optimal thyroid hormone level regulation, taking this medication at the same time each day is recommended. Do not take more or less than the recommended dose or more frequently than the physician’s directed dose. 

Thyroid medication like Cytomel is usually taken for a lifetime. Do not stop intake without a doctor’s approval to prevent undesirable and possibly dangerous effects. 

Side Effects 

Listed below are the potential adverse reactions associated with Cytomel. If any of these side effects persist or worsen, inform your physician or pharmacist. 

Common Side Effects 

• Nausea 
• Temporary hair loss (typically in children) during the first few months of intake 

Serious Side Effects  

• Headache 
• Irritability 
• Sleep disturbances 
• Nervousness 
• Excessive sweating 
• Intolerance to heat 
• Diarrhea 
• Changes in menstrual patterns 

Get medical help immediately if you experience any of the symptoms listed above. 

Allergic Reactions 

Severe allergic response to Cytomel is rare. However, seek immediate medical assistance if you observe any indications of an allergic reaction, such as: 

• Rash 
• Itching 
• Swelling (particularly of the face, tongue, or throat) 
• Severe dizziness 
• Difficulty breathing  

Note that the above-mentioned list of potential side effects of Cytomel is not exhaustive. Contact your physician or pharmacist if you notice any other effects that are not listed. 

Cautions 

Before taking Cytomel, notify your doctor or pharmacist of any known allergies you may have. Inactive components present in this medication may cause allergic reactions or other unfavorable effects. Consult a pharmacist for more details. 

Disclose your medical history to your doctor, particularly if you have had any of the following:  

• Decreased adrenal gland function 
• Heart disease, including chest pain, heart failure, irregular heartbeat, or heart attack 
• High blood pressure 
• Diabetes 
• Water diabetes (diabetes insipidus) 

Certain products may interact with Cytomel, including blood thinners such as warfarin. To avoid potential drug interactions, tell your doctor about all your medicines, including prescription and nonprescription medicines, vitamins, and herbal supplements. 

Some medications can reduce the absorption of Cytomel. These includes: 

• Products containing aluminum or magnesium 
• Antacids 
• Sucralfate 
• Calcium supplements 
• Iron 
• Bile acid sequestrants, such as cholestyramine, colestipol, and colesevelam 
• Simethicone 
• Sevelamer 
• Sodium polystyrene sulfonate, among others.  

To ensure proper absorption, take the medications mentioned above at least 4 hours before or after taking Cytomel. If you take lanthanum, take it at least 2 hours before or after taking Cytomel. 

There are no reported side effects in pregnant women and unborn child while taking Cytomel. Tell your doctor if you plan to get pregnant or get pregnant while taking this medication to make adequate dosing adjustments. 

Liothyronine can be transferred into breast milk; however, the risk of harm to a nursing infant is low. Before breastfeeding, seek guidance from your healthcare provider.