Fiber Therapy
Methylcellulose · Powder, For Solution · Oral
Active ingredient
Active ingredient (in each 19g adult dose/ rounded tablespoon) Methylcellulose 2g (a non-allergenic fiber)
Purpose
Purpose Bulk-forming fiber laxative
Uses
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
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
Ask a doctor or pharmacist
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
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
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.
Directions
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
Inactive ingredients
Inactive ingredients citric acid, FD&C yellow 6 aluminum lake, maltodextrin, flavor (natural and artificial), potassium citrate, , silica, sucrose,
Questions?
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 1. Fill glass with at least 8 ounces of cold water. 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. Image of pouring water into glass Image of stirring water after adding Citrucel TAMPER EVIDENT PACKAGE Do not use if printed seal under cap is torn or missing.
Label text from the FDA structured product label by Major Pharmaceuticals (revised Sep 19, 2025). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Methylcellulose (4000 Mpa.s) in 2 products
- Calcium Polycarbophil in 1 product
Fiber Therapy NDC products (3)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 0904-5675 | Methylcellulose (4000 Mpa.s) 2 g/19g Powder, For Solution | Major Pharmaceuticals | OTC MONOGRAPH DRUG |
| 68788-7995 | Methylcellulose (4000 Mpa.s) 2 g/19g Powder, For Solution | Preferred Pharmaceuticals Inc. | OTC MONOGRAPH DRUG |
| 49035-147 | Calcium Polycarbophil 625 mg/1 Tablet | Wal-Mart Stores, Inc. | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Fiber Therapy used for?
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
Who makes Fiber Therapy?
Fiber Therapy is listed by 3 labelers in the FDA NDC directory, including Major Pharmaceuticals, Preferred Pharmaceuticals Inc., Wal-Mart Stores, Inc..