Mepenzolate: uses, dosing, side effects & brands
Mepenzolate is a medicine sold in the U.S. under one brand. Below: what the FDA label says, every product that contains it, what the pills look like, and its recall record.
Key facts
- Available as
- Tablet · Solution
- Sold as
- Cantil
- Prescription?
- Prescription only
- Generic available?
- Not in our catalog
Every mepenzolate product we track (1)
Same active ingredient — different manufacturer, form, price and FDA recall record. That last one is what our independent score measures.
Only one: Cantil.
Mepenzolate and breastfeeding
From LactMed, the US National Library of Medicine’s Drugs and Lactation Database — quoted, not rewritten.
Full LactMed record for mepenzolate: levels in milk, effects in breastfed infants, and the drugs it would consider insteadNo information is available on the use of mepenzolate during breastfeeding. Because mepenzolate is a quaternary ammonium compound, it is not likely to be absorbed and reach the bloodstream of the infant. Long-term use of mepenzolate might reduce milk production or milk letdown. During long-term use, observe for signs of decreased lactation (e.g., insatiety, poor weight gain).
National Institute of Child Health and Human Development, record revised April 19, 2021. LactMed states its information is not a substitute for professional judgement.
What people report to the FDA about mepenzolate
The FDA Adverse Event Reporting System (FAERS) collects reports from patients and clinicians. It holds 47 reports naming mepenzolate, and the FDA flagged 94% of those reports as serious. The effects reported most often — leaving out reports about overdose, misuse or the condition being treated, which dominate the raw list for common medicines:
- diarrhoea5 reports
- abdominal pain4 reports
- hyperkalaemia4 reports
- pneumonia4 reports
- weight increased4 reports
- abdominal pain upper3 reports
- blood glucose increased3 reports
- chest discomfort3 reports
Read these as a signal, not a rate. A report does not mean mepenzolate caused the effect — anyone can file one, and many describe people taking several medicines for several conditions. Crucially there is no denominator: FAERS does not record how many people took the drug, so these counts cannot be turned into “X% of patients” — a bigger number often just means a more widely used or more talked-about drug. Duplicates exist, and publicity drives reporting. For what is actually established, read the FDA label section above.
Source: openFDA drug/event (FAERS), retrieved July 25, 2026.
Related calculators
Frequently asked questions
Can you take mepenzolate with other medicines?
It depends on the medicine. We check it against the FDA labels rather than guessing: our interaction checker searches each drug's own label for the other and quotes what it says, naming the section it came from. Run mepenzolate against whatever else you take — and remember that a label not naming a drug is not the same as that combination being safe.
What forms does mepenzolate come in?
Across the brands we track, mepenzolate is currently marketed as tablet and solution, per the FDA's National Drug Code Directory. Each form is dosed differently — follow the label for the exact product you were prescribed.
Is there a generic mepenzolate?
We do not currently list a generic-labelled mepenzolate product. That does not always mean none exists — it means none appears under a generic name in the FDA data we track. Ask your pharmacist.
Cite this page
- APA
- pharmaranks. (2026, July 24). Mepenzolate: uses, dosing, side effects & brands. https://pharmaranks.com/drugs/mepenzolate
- MLA
- “Mepenzolate: uses, dosing, side effects & brands.” pharmaranks, 24 July 2026, https://pharmaranks.com/drugs/mepenzolate.
We summarise public FDA and NIH sources — for a clinical claim, cite the primary source we link to as well.
Sources: FDA openFDA drug label, National Drug Code Directory, and Enforcement (recall) database. This page reproduces public FDA data and is not medical advice. Dosing is set by your prescriber.
Read the full FDA label for mepenzolate on DailyMed (NIH) ↗.