Drug interactions
Diphenoxylate + Secobarbital
Severity: Moderate
Diphenoxylate and Secobarbital: moderate 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
Diphenoxylate is an opioid and, combined with a barbiturate, may cause additive sedation and respiratory depression. Risk is greater with overdose or in children.
What this interaction means in plain words
Diphenoxylate and Secobarbital can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Diphenoxylate belongs to Gastrointestinal Tract; Secobarbital belongs to Central Nervous System.
Why it happens
Additive CNS depression via opioid and GABAergic mechanisms.
What to do
Keep to recommended doses and counsel on drowsiness. Monitor respiration in high-risk patients.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Other interactions of Diphenoxylate
Frequently asked questions
Can I take Diphenoxylate with Secobarbital?
MediHelp rates the interaction as moderate. Diphenoxylate and Secobarbital can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Diphenoxylate is an opioid and, combined with a barbiturate, may cause additive sedation and respiratory depression. Risk is greater with overdose or in children.
How serious is the interaction between Diphenoxylate and Secobarbital?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep to recommended doses and counsel on drowsiness. Monitor respiration in high-risk patients.
What other medicines interact with Secobarbital?
MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital page.
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