Official product label reference
DRx Choice Fiber Therapy — RARITAN PHARMACEUTICALS INC
This page contains 11 source sections for METHYLCELLULOSE, oral route. Label set 5e5749f7-074e-4bbc-9f33-5090e603fdb4, version 5.
Retrieved 2026-10-02 · openFDA dataset updated 2026-10-02 · Check the current DailyMed label
Label records can cover multiple strengths or package sizes. A label listing does not by itself establish FDA approval or current market availability. Check the source and application history for this specific product.
Uses described in the label
Uses ▪ relieves occasional constipation (irregularity) ▪ generally produces a bowel movement 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 ▪ a sudden change in bowel habits that persists over a period of two weeks ▪ abdominal pain, nausea or vomiting Stop use and ask a doctor if ▪ constipation lasts more than 7 days ▪ you have rectal bleeding 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.
Purpose
Purpose Bulk-forming laxative
Dosage and administration — label text
Directions Take 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. Age Dose Maximum Dose adults & children 12 years of age and over start with 2 caplets. Increase as needed up to 6 times per day. Do not exceed 12 caplets per day Children 6-11 years of age Start with 1 caplet. Increase as needed up to 6 times per day Do not exceed 6 caplets per day children under 6 years of age Consult a physician Consult a physician
Table text from source:
| Age | Dose | Maximum Dose
| adults & children 12 years of age and over | start with 2 caplets. Increase as needed up to 6 times per day. | Do not exceed 12 caplets per day
| Children 6-11 years of age | Start with 1 caplet. Increase as needed up to 6 times per day | Do not exceed 6 caplets per day
| children under 6 years of age | Consult a physician | Consult a physician
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 ▪ a sudden change in bowel habits that persists over a period of two weeks ▪ abdominal pain, nausea or vomiting Stop use and ask a doctor if ▪ constipation lasts more than 7 days ▪ you have rectal bleeding 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.
Active ingredient
Active ingredient (in each caplet) Methylcellulose (a non-allergenic fiber) 500mg
Ask a doctor before use
Ask a doctor before use if you have ▪ a sudden change in bowel habits that persists over a period of two weeks ▪ abdominal pain, nausea or vomiting Stop use and ask a doctor if ▪ constipation lasts more than 7 days ▪ you have rectal bleeding 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 to stop use and seek help
Stop use and ask a doctor if ▪ constipation lasts more than 7 days ▪ you have rectal bleeding 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.
Child safety
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.
Unclassified section
Other information ▪ each caplet contains : calcium 18 mg ▪ store at room temperature. ▪ protect contents from humidity ▪ keep tightly closed
Inactive ingredient
Inactive ingredients adipic acid, calcium carbonate, crospovidone, FD&C yellow no. 6 lake, magnesium stearate, microcrystalline cellulose, polysorbate 80, silica. Do not use if printed seal under cap is torn or missing.
Questions
Questions or comments? 1-866-467-2748
Official sources and product identifiers
- DailyMed — complete source labelVerify the current version and original formatting, including tables and diagrams.
- openFDA — structured source recordMachine-readable label source, linked by the exact label set ID.
Substances listed: METHYLCELLULOSE (4000 MPA.S)
RxNorm identifiers: 198750
Package NDC codes
68163-122-00
Further research and background
These are external searches for related information. Research, encyclopedia and news articles have not been imported into this product record.
Coverage and corrections
The text is extracted from a US structured product label. Tables are represented as text where supplied; formatting and illustrations may be lost. A missing section does not mean a risk is absent. This reference has not been independently reviewed by a clinician and is not a live safety-alert service.
Source retrieved 2026-10-02. Read the source policy.