If you’re looking for a high fluoride toothpaste in the UK, you’ll often see two naming styles:
• Duraphat (a brand name)
• Sodium Fluoride toothpaste (a generic name based on the active ingredient)

Because both can appear at the same strengths (2800 ppm and 5000 ppm), many people assume they are either completely different or completely identical. The truth is practical: most of the time, the decision is driven by the fluoride strength and your eligibility, while brand vs generic is secondary.

This guide explains what Duraphat means, what ‘sodium fluoride’ means, what is usually the same, what can differ (taste, excipients, pack size, availability, prescribing wording), and how to choose the right option safely. It is educational information and does not replace personalised advice from a dentist or prescriber.

Table of Contents

Where this sits on MedCare

On MedCare, these products are grouped in the Dental & Oral prescription treatments category and the dedicated High Fluoride Toothpaste hub (Toothpaste POM). The key product pages are:

Quick answer

In most cases:
• “Duraphat 5000” and “Sodium Fluoride 5000” are both high fluoride toothpastes at 5000 ppm.
• “Duraphat 2800” and “Sodium Fluoride 2800” are both high fluoride toothpastes at 2800 ppm.

The single most important decision is the fluoride strength (2800 vs 5000) and your age/eligibility. Brand vs generic matters mainly for preference, tolerability (taste/texture), and availability but it should not override eligibility and correct use.

What does “Duraphat” mean?

Duraphat is a brand name commonly associated with prescription high fluoride toothpaste in the UK. When people say “Duraphat,” they usually mean a high fluoride toothpaste prescribed for patients at increased risk of tooth decay. The brand is well-recognised, so clinicians and patients often use it as a shorthand for “prescription fluoride toothpaste,” even though other high fluoride toothpastes exist.

What does “Sodium Fluoride toothpaste” mean?

Sodium fluoride is the active ingredient (the fluoride source) used in many toothpastes. When a product is listed as “Sodium Fluoride 2800 ppm” or “Sodium Fluoride 5000,” it is usually describing the active ingredient and the concentration. In practice, that often indicates a generic or non-branded listing at the same strength.

Why the strength matters more than the name

High fluoride toothpaste is not “better for everyone.” It is used when a clinician identifies increased or high caries (decay) risk. The strength determines how much fluoride is available on tooth surfaces and also influences eligibility rules.

As a practical rule:
• 2800 ppm toothpaste is generally used for patients aged 10+ with increased caries risk.
• 5000 ppm toothpaste is generally used for patients aged 16+ with higher risk profiles.

If you’re choosing between Duraphat and a sodium fluoride equivalent, make sure you’re choosing the correct strength first.

Duraphat 5000 vs Sodium Fluoride 5000

If both products are 5000 ppm fluoride, they exist in the same ‘strength category’ and are intended for similar high-risk profiles (typically age 16+). In many cases, the main differences are practical rather than clinical:

Prescribing wording: some prescriptions are written as a brand (Duraphat 5000) while others specify the ingredient/strength (sodium fluoride 5000).
Taste and feel: flavouring agents and excipients (inactive ingredients) can affect taste, foaming, and mouthfeel.
Packaging/size: branded and generic versions may come in different tube sizes.
Availability: pharmacies may stock one more reliably than the other at certain times.
Tolerance: if you dislike the taste/texture of one, you may tolerate the other better, improving adherence.

Not sure whether 5000 ppm is right for you? Use for eligibility and routine:

5000 ppm fluoride toothpaste: who needs it and how to use it (HF1)

Duraphat 2800 vs Sodium Fluoride 2800

At 2800 ppm, the same practical logic applies. If both products are 2800 ppm fluoride, they exist in the same ‘strength category’ and are typically used for increased caries risk (commonly age 10+). Differences are usually about preference and adherence.

Taste/foaming: small formulation differences can matter for younger patients and those with sensory sensitivities.
Ingredient tolerability: flavourings and excipients can be the reason someone prefers brand or generic.
Prescribing wording: brand-name prescribing vs ingredient/strength prescribing.
Availability and continuity: if one is not available, a same-strength alternative may be used depending on the prescription.

For the full 2800 ppm routine and age guidance, see

2800 ppm fluoride toothpaste: who it’s for and how to use it (HF2)

What can actually differ between Duraphat and sodium fluoride versions?

Even when the fluoride concentration is the same, two products can still feel different in everyday use. That can affect adherence (how consistently you use it), and adherence often matters more than small formulation differences.

1) Inactive ingredients (excipients)

Excipients can change foaming, texture, sweetness, and aftertaste. If you have had mouth irritation with one toothpaste, it may be due to an excipient rather than fluoride itself. A clinician can advise whether switching within the same strength is appropriate.

2) Flavour and ‘mint strength’

Some people find certain high fluoride toothpastes too strong or too mild. If the taste makes you brush less often or rush brushing, you lose the benefit. A same-strength alternative you tolerate can improve outcomes simply by improving consistency.

3) Tube size and ‘how long it lasts’

Different products can come in different tube sizes. This affects how quickly you run out and whether you maintain continuous use until your next review. If you’re on a plan that requires more frequent brushing (for example, 5000 ppm after meals), your tube can empty faster than expected.

4) Labelling and patient understanding

Some people understand “Duraphat 5000” more easily, while others understand “Sodium Fluoride 5000 ppm” more clearly because it highlights the active ingredient and strength. Better understanding usually improves safe use (especially age restrictions and not sharing).

How to choose between Duraphat and sodium fluoride (step-by-step)

Step 1: Confirm the strength you’ve been prescribed (2800 or 5000). Do not guess.
Step 2: Confirm your age eligibility (2800 is typically 10+; 5000 is typically 16+).
Step 3: Choose the option that matches your prescription wording (brand or ingredient).
Step 4: If both are acceptable, choose the one you will use consistently (taste/tolerability matters).
Step 5: Keep your routine correct: spit out excess foam, do not swallow, and avoid rinsing straight after brushing.
Step 6: Review with your dentist/prescriber. Strength changes should be review-based, not self-directed.

Safe use rules that apply to BOTH brand and generic

These rules apply whether your tube says Duraphat or Sodium Fluoride. They are the behaviours that create the benefit:

Do not share prescription toothpaste with anyone else in the household.
Use the toothpaste as directed by your prescriber (frequency and amount).
Brush thoroughly, focusing on high-risk areas (gumline, around braces, exposed roots).
Spit out excess foam and do not swallow.
Avoid rinsing with water immediately after brushing.
Keep mouthwash at a different time from brushing so you don’t wash away the fluoride layer.
Seek dental review if you have persistent pain, swelling, or visible cavities—fluoride toothpaste is preventive, not curative.

Common misconceptions

“Generic is weaker.” Generic listings can be the same fluoride strength. Check the ppm and follow the prescription.
“If 2800 is good, 5000 must be better for everyone.” 5000 has tighter age eligibility and is typically used for higher risk profiles.
“I can rinse after brushing because it feels cleaner.” Rinsing removes the fluoride film that should stay on the teeth.
“High fluoride toothpaste fixes cavities.” It helps prevent new decay and slow early demineralisation; cavities often still need dental care.

FAQs

Is Duraphat the same as sodium fluoride toothpaste?

Duraphat is a brand name. ‘Sodium fluoride’ describes the active ingredient. If the strength (ppm) is the same and the prescription allows it, they can be used for the same purpose. Differences are usually formulation and preference.

How do I know if I should use 2800 or 5000?

That decision is primarily based on age eligibility and caries risk. If you’re under 16, 5000 is usually not appropriate. If you’re unsure, follow the prescriber’s decision and use the correct routine consistently.

Can I switch from Duraphat to Sodium Fluoride without asking?

If your prescription specifies a brand, you should follow that or ask the prescriber/pharmacist before switching. If your prescription specifies ingredient and strength, the same-strength alternative is often acceptable. Don’t self-upgrade the strength.

Does taste really matter?

Yes because taste affects adherence. A toothpaste you tolerate is more likely to be used correctly and consistently, which is the key to results.

Do I still need floss or interdental cleaning?

Yes. Fluoride supports tooth surface protection, but plaque between teeth and at the gumline still needs mechanical cleaning.