Fleet Enema Side Effects
Generic name: sodium biphosphate / sodium phosphate
Medically reviewed by Drugs.com. Last updated on Jun 8, 2025.
Note: This document contains side effect information about sodium biphosphate / sodium phosphate. Some dosage forms listed on this page may not apply to the brand name Fleet Enema.
For healthcare professionals
Applies to sodium biphosphate / sodium phosphate: oral solution, oral tablet, rectal enema.
General adverse events
The most common adverse events were abdominal bloating, nausea, abdominal pain, and vomiting.[Ref]
Gastrointestinal
- Very common (10% or more): Bloating (39%), nausea (37%), abdominal pain (24%), vomiting (10%)[Ref]
Renal
- Postmarketing reports: Renal impairment, increased blood urea nitrogen (BUN), increased creatinine, acute renal failure, acute phosphate nephropathy, nephrocalcinosis, renal tubular necrosis[Ref]
Nervous system
- Postmarketing reports: Seizures[Ref]
Cardiovascular
- Postmarketing reports: Arrhythmias[Ref]
Hypersensitivity
- Postmarketing reports: Hypersensitivity reactions (including anaphylaxis, rash, pruritus, urticaria, throat tightness, bronchospasm, dyspnea, pharyngeal edema, dysphagia, paresthesia, swelling of the lips and tongue, and facial swelling)[Ref]
See also:
References
1. (2018) "Product Information. OsmoPrep (sodium acid phosphate-sodium phosphate)." Valeant Pharmaceuticals
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Further information
Fleet Enema side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.