Calcium polycarbophil
FIBERCON
What it isA synthetic calcium-bound polyacrylic bulk fiber for constipation and for stool normalization in IBS.
Why this oneAs an insoluble water-absorbing polymer, it normalizes both constipation and diarrhea without fermentation.
What limits itLike every bulk agent it must be taken with adequate water, and the calcium can bind co-administered tetracyclines and fluoroquinolones.
FDA label
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| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| Constipation (OTC bulk-forming laxative) | Adults & children >=12 yr | 2 caplets QD | Adjust per diet, exercise, prior laxative use, severity | 2 caplets up to QID (8 caplets/day) |
| Constipation | Children <12 yr | Consult a physician |
Renal Undefined
Hepatic Undefined
Instructions
- Take each dose with at least 8 oz (a full glass) of water or other fluid — taking without enough liquid may cause choking
- Continued use for 1-3 days is normally required for full benefit
Available strengths
- tab 625 mg
- cap 625 mg
Cautions
- Choking risk if taken without adequate fluid (per label directions; OTC warnings section not present in extract)
Pregnancy Undefined
Lactation Undefined
Cost
Calcium polycarbophil (FIBERCON)
What pharmacies pay · NADAC 9/30/26 · OTC
| Strength | #/mo | generic $/mo | CostPlus | |
|---|---|---|---|---|
| 625 mg | tab | 30 qd | $1.77 | not offered |
NO BOXED WARNINGS
Principal riskChoking if taken without enough fluid