Drug interactions
Theophylline + Thyroid desiccated
Severity: Minor
Theophylline and Thyroid desiccated: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Correcting hypothyroidism with thyroid hormone increases theophylline clearance. Theophylline levels may fall and bronchodilator control may weaken.
What this interaction means in plain words
Theophylline and Thyroid desiccated have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Thyroid hormone raises metabolic rate and hepatic clearance of theophylline.
What to do
Monitor theophylline levels and clinical response when thyroid therapy is started or adjusted, and adjust the theophylline dose.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Theophylline
- Riociguat + Theophylline Contraindicated
- Adenosine + Theophylline Major
- Apalutamide + Theophylline Major
- Bupropion + Theophylline Major
- Carvedilol + Theophylline Major
- Cimetidine + Theophylline Major
Frequently asked questions
Can I take Theophylline with Thyroid desiccated?
MediHelp rates the interaction as minor. Theophylline and Thyroid desiccated have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Correcting hypothyroidism with thyroid hormone increases theophylline clearance. Theophylline levels may fall and bronchodilator control may weaken.
How serious is the interaction between Theophylline and Thyroid desiccated?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor theophylline levels and clinical response when thyroid therapy is started or adjusted, and adjust the theophylline dose.
What other medicines interact with Theophylline?
MediHelp also lists interactions of Theophylline with, for example, Riociguat, Adenosine, Apalutamide. The full list is on the Theophylline page.
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