METHYLCELLULOSE: 95 Adverse Event Reports & Safety Profile
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Route: ORAL · Manufacturer: Haleon US Holdings LLC · HUMAN OTC DRUG · FDA Label: Available
First Report: 1995 · Latest Report: 20250215
What Are the Most Common METHYLCELLULOSE Side Effects?
All METHYLCELLULOSE Side Effects by Frequency
| Side Effect | Reports | % of Total | Deaths | Hosp. |
|---|---|---|---|---|
| Off label use | 18 | 19.0% | 5 | 7 |
| Drug ineffective | 16 | 16.8% | 4 | 5 |
| Incorrect product administration duration | 14 | 14.7% | 0 | 0 |
| Product complaint | 13 | 13.7% | 0 | 0 |
| Product use in unapproved indication | 13 | 13.7% | 5 | 5 |
| Diabetes mellitus | 11 | 11.6% | 6 | 6 |
| Dyspnoea | 11 | 11.6% | 6 | 8 |
| Rectal haemorrhage | 11 | 11.6% | 0 | 0 |
| Constipation | 10 | 10.5% | 5 | 5 |
| Abdominal pain | 9 | 9.5% | 5 | 5 |
| Choking | 9 | 9.5% | 0 | 0 |
| Condition aggravated | 9 | 9.5% | 5 | 5 |
| Nausea | 9 | 9.5% | 5 | 5 |
| Sleep disorder | 8 | 8.4% | 6 | 6 |
| Blood cholesterol increased | 7 | 7.4% | 5 | 5 |
| Drug hypersensitivity | 7 | 7.4% | 6 | 6 |
| Vomiting | 7 | 7.4% | 5 | 6 |
| Abdominal discomfort | 6 | 6.3% | 0 | 1 |
| Abdominal distension | 6 | 6.3% | 5 | 5 |
| Anaemia | 6 | 6.3% | 6 | 6 |
Who Reports METHYLCELLULOSE Side Effects? Age & Gender Data
Gender: 58.2% female, 41.8% male. Average age: 71.3 years. Most reports from: US. View detailed demographics →
Is METHYLCELLULOSE Getting Safer? Reports by Year
| Year | Reports | Deaths | Hosp. |
|---|---|---|---|
| 2008 | 1 | 1 | 0 |
| 2013 | 1 | 0 | 0 |
| 2014 | 1 | 0 | 1 |
| 2015 | 3 | 0 | 0 |
| 2016 | 4 | 0 | 0 |
| 2017 | 2 | 0 | 1 |
| 2018 | 5 | 0 | 0 |
| 2019 | 4 | 0 | 0 |
| 2020 | 3 | 1 | 1 |
| 2021 | 1 | 1 | 1 |
| 2022 | 3 | 0 | 0 |
| 2023 | 2 | 0 | 0 |
| 2024 | 1 | 0 | 0 |
| 2025 | 1 | 0 | 0 |
What Is METHYLCELLULOSE Used For?
| Indication | Reports |
|---|---|
| Product used for unknown indication | 42 |
| Constipation | 13 |
| Supplementation therapy | 10 |
| Gastrointestinal disorder | 5 |
Official FDA Label for METHYLCELLULOSE
Official prescribing information from the FDA-approved drug label.
FDA Approved Uses (Indications)
Uses helps restore and maintain regularity and relieves constipation (irregularity) in the treatment of constipation associated with other bowel disorders when recommended by a doctor 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 sensitivity to any of the ingredients a sudden change in bowel habits that persists over a period of 2 weeks 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 Stop use and ask a doctor if rectal bleeding occurs you fail to have a bowel movement after use Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Dosage & Administration
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 CITRUCEL Orange Age Dose adults and children 12 years of age and over start with 1 heaping tablespoon . Increase as needed, 1 heaping tablespoon at a time, up to 3 times per day. children 6 - 11 years of age start with 2.5 level teaspoons . Increase as needed, 2.5 level teaspoons at a time, up to 3 times per day. children under 6 years of age consult a doctor CITRUCEL Sugar Free Age Dose adults and children 12 years of age and over start with 1 rounded tablespoon . Increase as needed, 1 rounded tablespoon at a time, up to 3 times per day. children 6 - 11 years of age start with 2 level teaspoons . Increase as needed, 2 level teaspoons at a time, up to 3 times per day. children under 6 years of age consult a doctor
FDA Boxed Warning
TAMPER EVIDENT PACKAGE Do not use if printed seal under cap is torn or missing.
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
Active Ingredient
Active ingredient (in each heaping tablespoon)
Citrucel
Orange Methylcellulose (a non-allergenic fiber) 2 g
Active ingredient (in each rounded tablespoon)
Citrucel
Sugar Free Methylcellulose (a non-allergenic fiber) 2 g
Inactive Ingredients
Inactive ingredients (Citrucel Orange) citric acid, dibasic calcium phosphate, FD&C yellow #6 lake, maltodextrin, orange flavors (natural and artificial), potassium citrate, riboflavin, soy lecithin, sucrose, titanium dioxide, tricalcium phosphate
Inactive ingredients (Citrucel Sugar Free) aspartame, dibasic calcium phosphate, FD&C yellow #6 lake, malic acid, maltodextrin, orange flavors (natural and artificial), potassium citrate, riboflavin