Synthroid 25 μg, 50 μg, 75 μg, 100 μg, Tablets
PDF Leaflet Revision Date: 17 March 2023
Clinical Summary
Quick overview from the medicine insert
Indication
Hypothyroidism and pituitary TSH suppression.
Dosage (summary)
Adults: 1.7 u03bcg/kg/day; elderly: start at 25-50 u03bcg/day.
Onset of Action / Duration
Onset: 4-6 weeks, Duration: variable.
Special Populations
- Elderly
- Cardiovascular disease
- Pregnant women
Pregnancy & Breastfeeding
Safe in pregnancy; monitor TSH; minimal excretion in breast milk.
Key Drug Interactions
- Antacids
- Calcium supplements
- Warfarin
Contraindications
- Untreated thyrotoxicosis
- Acute myocardial infarction
- Adrenal insufficiency
Common side effects
- Hyperthyroidism symptoms
- Palpitations
- Weight loss
Counselling Points
- Take on an empty stomach
- Avoid certain foods that affect absorption
- Regular monitoring of TSH levels
Serious warnings
- Not for weight loss
- Monitor for cardiac symptoms
- Narrow therapeutic index
Important Disclaimer
The Synthroid 25 μg, 50 μg, 75 μg, 100 μg, Tablets professional information leaflet below is the property of Abbott Laboratories South Africa and is provided on Medinsert exactly as issued, with no.. alterations or editorial changes. We make every effort to keep content current by updating documents as soon as new versions become available. Medinsert serves as a trusted access point for healthcare professionals, but does not replace official sources or clinical judgement. For more details, please read our full disclaimer. read more>>
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