Drug interactions
Pimozide + Somapacitan
Severity: Minor
Pimozide and Somapacitan: 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
Growth hormone therapy may increase the activity of some cytochrome P450 enzymes, which could speed up clearance of CYP3A4 substrates such as pimozide. Pimozide exposure could fall and its effect on tics could weaken, although the clinical data are limited.
What this interaction means in plain words
Pimozide and Somapacitan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Pimozide belongs to Central Nervous System; Somapacitan belongs to Endocrine.
Why it happens
Growth hormone may induce CYP450 activity, modestly increasing the metabolism of CYP3A4 substrates.
What to do
Monitor tic control when somapacitan is started, changed or stopped, and adjust the pimozide dose to clinical response. Avoid dose escalation beyond labeled limits without ECG assessment.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Pimozide and Somapacitan, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Pimozide
- Adagrasib + Pimozide Contraindicated
- Amiodarone + Pimozide Contraindicated
- Amisulpride + Pimozide Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amoxapine + Pimozide Contraindicated
- Anagrelide + Pimozide Contraindicated
Other interactions of Somapacitan
- Alogliptin-metformin + Somapacitan Moderate
- Alogliptin-pioglitazone + Somapacitan Moderate
- Alogliptin + Somapacitan Moderate
- Bazedoxifene-conjugated estrogens + Somapacitan Moderate
- Canagliflozin-metformin + Somapacitan Moderate
- Chlorpropamide + Somapacitan Moderate
Frequently asked questions
Can I take Pimozide with Somapacitan?
MediHelp rates the interaction as minor. Pimozide and Somapacitan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Growth hormone therapy may increase the activity of some cytochrome P450 enzymes, which could speed up clearance of CYP3A4 substrates such as pimozide. Pimozide exposure could fall and its effect on tics could weaken, although the clinical data are limited.
How serious is the interaction between Pimozide and Somapacitan?
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 tic control when somapacitan is started, changed or stopped, and adjust the pimozide dose to clinical response. Avoid dose escalation beyond labeled limits without ECG assessment.
What other medicines interact with Pimozide?
MediHelp also lists interactions of Pimozide with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Pimozide page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
