SAFE — No Known Interaction
🟢 SAFE — Levothyroxine and Spironolactone can be taken together safely.
Evidence level: MODERATE
Levothyroxine and Spironolactone are safe to take together. No adverse interactions have been reported in medical literature.
No clinically significant interaction between Levothyroxine and Spironolactone has been identified in FDA drug labeling or major drug interaction databases.
No documented interaction between Levothyroxine and Spironolactone. Your pharmacist checks for interactions every time you fill a prescription. If you experience any new symptoms after starting Spironolactone, let your doctor know — they can help determine if it's related to your medication combination.
Take levothyroxine on an empty stomach, 30-60 minutes before breakfast. Take supplements at least 4 hours later to be safe.
Higher risk for: elderly with cardiac conditions, those with adrenal insufficiency, recent thyroid dose adjustments, concurrent calcium/iron/antacid use (absorption interference), or narrow therapeutic index sensitivity.
Monitor thyroid function when combining Levothyroxine with Spironolactone. Some medications can alter thyroid hormone levels or metabolism. Watch for hypo symptoms (fatigue, weight gain, cold sensitivity, constipation) or hyper symptoms (anxiety, rapid pulse, weight loss, tremors, heat intolerance). Get thyroid levels (TSH, free T4) rechecked 6-8 weeks after starting or stopping the combination. When to seek emergency help: Chest pain, rapid or irregular heartbeat, high fever with confusion, or severe swelling of the neck.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
These medications are safe to take together at standard doses. Continue taking as prescribed and keep your pharmacist informed of your complete medication list.
Levothyroxine and Spironolactone are safe to take together. No adverse interactions have been reported in medical literature.
Take levothyroxine on an empty stomach, 30-60 minutes before breakfast. Take supplements at least 4 hours later to be safe.
Monitor thyroid function when combining Levothyroxine with Spironolactone. Some medications can alter thyroid hormone levels or metabolism. Watch for hypo symptoms (fatigue, weight gain, cold sensitivity, constipation) or hyper symptoms (anxiety, rapid pulse, weight loss, tremors, heat intolerance). Get thyroid levels (TSH, free T4) rechecked 6-8 weeks after starting or stopping the combination. When to seek emergency help: Chest pain, rapid or irregular heartbeat, high fever with confusion, or severe swelling of the neck.
These medications are safe to take together at standard doses. Continue taking as prescribed and keep your pharmacist informed of your complete medication list.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Or browse the full interaction database (121,000+ pairs).