FELIWAY Optimum Diffuser
FELIWAY
A plug-in cat pheromone diffuser intended to support calmer behavior during common household stress and change.
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What we like
- Passive continuous use
- No oral administration
- May complement environmental changes
- Refillable plug-in format
What to consider
- Response varies between cats
- Recurring refill cost
Product snapshot
| Type | Cat pheromone diffuser |
|---|---|
| Placement | Open outlet in main living area |
| Use | Continuous according to current instructions |
| Coverage | Verify manufacturer room guidance |
What it is intended for
FELIWAY Optimum releases a synthetic pheromone complex into the room. Owners commonly consider it during moves, introductions, urine marking, hiding, or tension between cats.
Improve the environment too
A diffuser works best as one part of a plan that includes enough litter boxes, separate feeding stations, hiding places, vertical territory, predictable play, and careful introductions. Plug it into an open outlet in the area the cat uses most.
Do not overlook illness
Urination outside the box, hiding, aggression, or appetite changes can have medical causes. Arrange veterinary assessment when behavior changes suddenly or the cat appears unwell.
Evaluate objectively
Choose two or three observable behaviors, record their frequency before use, and reassess after the recommended period. This is more reliable than judging from a general impression.
Research transparency
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Last fact-check date: 2026-08-01
View the manufacturer research source
We do not claim hands-on testing unless the page identifies the tester, pet, test period, method, and original evidence.
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