730198a5-b6d9-4fc7-b053-a7c65a93c540
34390-5
HUMAN OTC DRUG LABEL
Drug Facts
Composition & Product
Identifiers & Packaging
Description
Active ingredient (in each captab) Calcium polycarbophil 625 mg
Purpose
Bulk-Forming Laxative (equivalent to polycarbophil 500 mg)
How Supplied
Fiber-Lax Tablets are available as follows: 500 mg: Off White, oval, scored tablet, debossed “CPC 339”. Available in bottles of 30 captabs (NDC 55289-949-30)
Medication Information
Purpose
Bulk-Forming Laxative
(equivalent to polycarbophil 500 mg)
Dosage and Administration
Directions
Take Fiber-Lax with at least 8 ounces (a full glass) of water or other fluid. Taking this product without enough liquid may cause choking. See choking warning.
- do not take more than 4 doses in 24 hours
- adults & children 12 years and over: 2 captabs 1 to 4 times a day
- children under 12 years: ask a doctor
Other information
- each captab contains: calcium 140 mg
- store below 30˚C (86˚F) • do not refrigerate • protect from humidity
How Supplied
Fiber-Lax Tablets are available as follows: 500 mg: Off White, oval, scored tablet, debossed “CPC 339”. Available in bottles of 30 captabs (NDC 55289-949-30)
Description
Active ingredient (in each captab) Calcium polycarbophil 625 mg
Uses
- relieves occasional constipation
- generally produces bowel movement in 12 to 72 hours
Section 34088-5
In case of overdose, get medical help or contact a Poison Control Center right away.
Section 42229-5
TAMPER EVIDENT: DO NOT USE IF BLISTER SEAL IS BROKEN OR DAMAGED
*Rugby Laboratories, Inc. is not affiliated with the owner of the trademark FiberCon®.
Distributed by: Rugby Laboratories
17177 N Laurel Park Drive, Suite 233
Livonia, MI 48152
www. Rugbylaboratories.com
Section 50565-1
Keep out of reach of children.
Section 51945-4
Fiber-Lax
Warnings
Choking: Taking this product without adequate fluid may cause it to swell and block your throat or esophagus and may cause choking. Do not take this product if you have difficulty in swallowing. If you experience chest pain, vomiting, or difficulty in swallowing or breathing after taking this product, seek immediate medical attention.
Do Not Use
longer than one week
Drug Facts
Active ingredient (in each captab)
Calcium polycarbophil 625 mg
16 How Supplied
Fiber-Lax Tablets are available as follows:
500 mg: Off White, oval, scored tablet, debossed “CPC 339”. Available in bottles of
30 captabs (NDC 55289-949-30)
Inactive Ingredients
Caramel, crospovidone, hypromellose, magnesium silicate, magnesium stearate, microcrystalline cellulose, mineral oil, polyethylene glycol, silica, sodium lauryl sulfate and stearic acid
Questions Or Comments?
Call 1-800-645-2158
Stop Use and Ask A Doctor If
- you have rectal bleeding
- you fail to have a bowel movement after using this product.
These may indicate a serious condition.
Ask A Doctor Before Use If You Have
- abdominal pain, nausea, or vomiting
- noticed a sudden change in bowel habits that lasts over two weeks
Ask A Doctor Or Pharmacist Before Use If You Are
taking any other drug. Take Fiber-Lax two or more hours before or after other drugs. Laxatives may affect how other drugs work.
Structured Label Content
Uses
- relieves occasional constipation
- generally produces bowel movement in 12 to 72 hours
Dosage and Administration (34068-7)
Directions
Take Fiber-Lax with at least 8 ounces (a full glass) of water or other fluid. Taking this product without enough liquid may cause choking. See choking warning.
- do not take more than 4 doses in 24 hours
- adults & children 12 years and over: 2 captabs 1 to 4 times a day
- children under 12 years: ask a doctor
Other information
- each captab contains: calcium 140 mg
- store below 30˚C (86˚F) • do not refrigerate • protect from humidity
Section 34088-5 (34088-5)
In case of overdose, get medical help or contact a Poison Control Center right away.
Section 42229-5 (42229-5)
TAMPER EVIDENT: DO NOT USE IF BLISTER SEAL IS BROKEN OR DAMAGED
*Rugby Laboratories, Inc. is not affiliated with the owner of the trademark FiberCon®.
Distributed by: Rugby Laboratories
17177 N Laurel Park Drive, Suite 233
Livonia, MI 48152
www. Rugbylaboratories.com
Section 50565-1 (50565-1)
Keep out of reach of children.
Section 51945-4 (51945-4)
Fiber-Lax
Purpose
Bulk-Forming Laxative
(equivalent to polycarbophil 500 mg)
Warnings
Choking: Taking this product without adequate fluid may cause it to swell and block your throat or esophagus and may cause choking. Do not take this product if you have difficulty in swallowing. If you experience chest pain, vomiting, or difficulty in swallowing or breathing after taking this product, seek immediate medical attention.
Do Not Use (Do not use)
longer than one week
Drug Facts
Active ingredient (in each captab)
Calcium polycarbophil 625 mg
16 How Supplied (16 HOW SUPPLIED)
Fiber-Lax Tablets are available as follows:
500 mg: Off White, oval, scored tablet, debossed “CPC 339”. Available in bottles of
30 captabs (NDC 55289-949-30)
Inactive Ingredients (Inactive ingredients)
Caramel, crospovidone, hypromellose, magnesium silicate, magnesium stearate, microcrystalline cellulose, mineral oil, polyethylene glycol, silica, sodium lauryl sulfate and stearic acid
Questions Or Comments? (Questions or comments?)
Call 1-800-645-2158
Stop Use and Ask A Doctor If (Stop use and ask a doctor if)
- you have rectal bleeding
- you fail to have a bowel movement after using this product.
These may indicate a serious condition.
Ask A Doctor Before Use If You Have (Ask a doctor before use if you have)
- abdominal pain, nausea, or vomiting
- noticed a sudden change in bowel habits that lasts over two weeks
Ask A Doctor Or Pharmacist Before Use If You Are (Ask a doctor or pharmacist before use if you are)
taking any other drug. Take Fiber-Lax two or more hours before or after other drugs. Laxatives may affect how other drugs work.
Advanced Ingredient Data
Raw Label Data
All Sections (JSON)
Additional Information
Back to search View SPL set listing Open on DailyMed ↗
Source: dailymed · Ingested: 2026-02-15T12:03:44.980645 · Updated: 2026-03-14T23:13:06.603726