The Frazier Free Water Protocol

The Frazier Free Water Protocol (FWP) is a clinical approach that allows selected patients with dysphagia to drink plain thin water under specific controlled conditions, despite requiring thickened fluids for other beverages. Developed at Frazier Rehab in Louisville, Kentucky, in the early 1990s, it has been adopted by speech therapists in numerous countries as an evidence-informed alternative to blanket water restriction for all dysphagia patients.

Why a Free Water Protocol?

Conventional dysphagia management prescribes thickened fluids for patients who cannot safely manage thin liquids. This is often clinically appropriate. However, strict thickened-only regimens carry real costs:

• Dehydration: Many patients dramatically reduce fluid intake when all drinks require thickening. Inadequate hydration is associated with increased risk of urinary tract infections, delirium, pressure sores, and constipation.
• Reduced quality of life: The ability to drink plain water — to quench thirst naturally — is experienced as a significant quality-of-life loss by many patients.
• Medication adherence: Swallowing pills with thickened liquids is more difficult than with thin water for many patients.

The Frazier Protocol argues that aspirating small amounts of plain water is clinically safer than aspirating thickened fluids, particularly in patients with good oral hygiene, intact immune function, and adequate pulmonary reserve.

The Evidence Base

Multiple studies and clinical reviews have examined outcomes under the Frazier Protocol:

• Carlaw et al. (2012) found no significant increase in aspiration pneumonia rates in a retrospective cohort of stroke patients managed with the protocol alongside rigorous oral hygiene.
• Panther (2005) reported at Frazier Rehab that pulmonary complications were not higher in carefully selected patients receiving free water access.
• Gillman et al. (2017) — a systematic review — found no significant increase in aspiration pneumonia rate when the protocol was implemented with appropriate patient selection and oral care.

Important caveat: Most evidence comes from rehabilitation settings with high oral care compliance. The protocol has not been validated in all care settings, and extrapolation to general nursing home populations requires caution.

Eligibility Criteria

The Frazier Protocol is not for all patients with dysphagia who aspirate thin liquids. Typical eligibility criteria (which should be confirmed by the treating SLT) include:

Inclusion:

• Patient aspirates thin liquids but has intact cough and immune function (ability to clear aspirated material without developing pneumonia)
• Patient is medically stable — no acute respiratory illness, no active chest infection
• Good or achievable oral hygiene — the key mechanism: aspirating clean water is far less pathogenic than aspirating bacteria-laden secretions
• Patient is cognitively able to cooperate with the protocol conditions (or has a trained carer who can enforce them)
• No severe silent aspiration of thickened fluids — if the patient also aspirates thickened fluids, the protocol does not apply

Exclusion:

• Active chest infection or aspiration pneumonia
• Severely impaired immune function (e.g. chemotherapy patients)
• Poor or unmanageable oral hygiene
• Significant pooling or aspiration of thickened fluids
• Patients who cannot tolerate or cooperate with the oral care requirement

The Five Conditions of the Protocol

The protocol’s safety depends on strict adherence to five conditions:

1. Upright positioning — water must be consumed with the patient seated at 90° or higher; never in bed or reclining
2. Oral hygiene before each episode of drinking — teeth must be brushed (or dentures cleaned), tongue brushed, and any oral secretions removed before water is consumed
3. Small sips only — no gulping; use a small cup or straw if appropriate
4. Wait 30 minutes after meals before resuming thin water access — this reduces the risk of food residue and water combining to create mixed-texture aspirate
5. No water within 30 minutes of lying down — aspiration risk increases significantly in the supine position

Application in Hong Kong

Hospital Settings

In Hong Kong public hospitals, the FWP is used selectively by SLT teams in rehabilitation wards, particularly for stroke patients who are medically stable and motivated to improve quality of life during recovery. It is not a universal policy but applied case-by-case following SLT assessment.

RCHE (Care Homes)

Implementation in care homes is more challenging due to:

• Variable oral care capacity across care workers and shifts
• Higher prevalence of dementia (reduced cooperation with protocol conditions)
• Staff-to-resident ratios that may not allow for supervised oral hygiene before every water intake

For care homes, the protocol is most appropriate for ambulant, cognitively intact residents who are prescribed thickened fluids but maintaining reasonable oral hygiene independently.

Cultural Considerations

In Hong Kong’s Cantonese culture, drinking tea (包括清茶, 菊花茶) is deeply embedded in daily life. Many elderly patients experience significant distress at the prospect of never drinking their preferred beverages thinly again. For selected patients, the FWP may allow supervised thin tea access as part of a quality-of-life-informed care plan.

Misconceptions

“If the protocol is used, we don’t need to thicken anything.” False. The protocol applies only to thin water under specific conditions. All other liquids (soups, juices, nutritional supplements) continue to be thickened to the prescribed IDDSI level.

“Any patient who aspirates can use the protocol.” False. Patient selection is critical. Patients with silent aspiration of thickened fluids, poor immune function, or severe pulmonary disease are not candidates.

“The oral hygiene requirement is optional.” False. The mechanism of the protocol’s safety is based on the relative safety of aspirating clean water vs. bacteria-laden material. Without good oral hygiene, the risk equation changes fundamentally.

Implementing the Protocol in a Care Home or Hospital

1. SLT assessment — formal evaluation to determine eligibility
2. Written protocol — document exactly which patient, under what conditions, may drink thin water
3. Staff training — all staff (nursing, care workers, volunteers) understand the conditions; no one gives thin water outside the protocol
4. Oral hygiene protocol — establish a clear before-water oral care routine with training and monitoring
5. Incident monitoring — any coughing, voice change, or suspected chest infection during protocol use triggers SLT review

References

• Panther K. (2005). The Frazier free water protocol. SIG 13 Perspectives on Swallowing and Swallowing Disorders, 14(1), 4–9.
• Carlaw C, et al. (2012). Outcomes of a pilot water protocol project in a rehabilitation setting. Dysphagia, 27(3), 297–306.
• Gillman A, et al. (2017). Free water protocol implementation for patients with oropharyngeal dysphagia: A systematic review. Dysphagia, 32(3), 327–335.

This page is for educational purposes only. The Frazier Free Water Protocol must be assessed and implemented by a qualified speech-language pathologist. Do not implement independently.