pilldic.Your medicine dictionary
Text size
← US medicines
US · Over-the-counter medicine

FIBER THERAPY

Dosage form
POWDER, FOR SOLUTION
Labeler
Major Pharmaceuticals
Label updated
2025-09-19
Retrieved
2026-09-07
Active ingredients
METHYLCELLULOSE (4000 MPA.S)
View original label and images on DailyMed ↗
Active ingredient

(in each 19g adult dose/ rounded tablespoon)

Methylcellulose 2g (a non-allergenic fiber)

Purpose

Bulk-forming fiber laxative

Uses
  • relieves constipation (irregularity)
  • helps to restore and maintain regularity
  • for treating bowel disorders when recommended by a doctor
  • generally provide effect in 12-72 hours
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.

Ask a doctor before use if you have

  • abdominal pain, nausea or vomiting
  • a sudden change in bowel habits that persists over a period of 2 weeks
  • sensitivity to any of the ingredients

Stop use and ask a doctor if

  • you have rectal bleeding
  • you fail to have a bowl movement after use.
  • These could be signs of a serious condition.

Keep out of reach of children.

In case of overdose, get medical help or contact a Poison Control Center right away at 1-800-222-1222.

When using this product

  • do not exceed recommended maximum daily dose unless directed by a doctor
  • do not use laxative products for a period longer than one week unless directed by a doctor 
Directions
  • MIX THIS PRODUCT (CHILD OR ADULT DOSE) 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
  • use product at the first sign of constipation or irregularity
  • put one dose in a full glass of cold water
  • stir briskly and drink promptly
  • drinking another glass of water is helpful

  Age

  Dose

 adults & children above 12 years of age and over

 One rounded tablespoon. (19 g) in 8 ounces of water fluid up to 3 times daily at the first sign of constipation or irregularity

 children 6 - 12 years of age

Children under 6 years of age

 half the adult dose in 8 ounces of water once daily.

ask a doctor

Other information
  • Each adult dose contains approximately
  • 3mg of sodium
  • 105mg potassium
  • contributes 60 calories from sucrose and sorbitol
  • store at room temperature
  • protect contents from humidity
  • keep tightly closed

    Tamper Evident: Do not use if printed seal under cap is torn or missing

Inactive ingredients

citric acid, FD&C yellow 6 aluminum lake, maltodextrin, flavor (natural and artificial), potassium citrate, , silica, sucrose,

Questions or comments?

call toll-free 1-800-616-2471

*This product is not manufactured or distributed by GlaxoSmithKline the distributor of CITRUCEL®

Distributed by:

MAJOR ®PHARMACEUTICALS

17177 N Laurel Park Drive, Suite 233

Livonia, MI 48152, USA

DIRECTIONS FOR USE

[Image in the official label — see DailyMed source]

1. Fill glass with at least 8 ounces of cold water.

[Image in the official label — see DailyMed source]

2. Add the adult or child dose listed in the directions. 3. Stir briskly until dissolved and drink promptly. Drinking an additional glass of water is helpful.

Label information

TAMPER EVIDENT PACKAGE

Do not use if printed seal under cap is torn or missing.

Principal Display Panel

NDC 0904-5675-16

FIBER THERAPY

Methylcellulose

Easy to Mix

No Gritty Texture

100% Soluble Fiber for Controlled Regularity

ORANGE FLAVOR

NET WT 16 OZ (454 GRAMS)

[Image in the official label — see DailyMed source]

DailyMed Set ID: 5dddab8d-0041-4486-9ed9-1dbd13575b47 · Version 10
NDC: 0904-5675