Overview of Kofen
Kofen represents the medicinal entity Ketotifen Fumarate, a synthetic compound used for the long-term, prophylactic management of allergic manifestations. It is categorized as a single-ingredient product.
| Property | Description |
|---|---|
| Active Ingredient | Ketotifen Fumarate |
| Common Forms | Oral (Tablet, Solution), Ophthalmic Solution (Eye drops) |
| Pharmacological Class | Mast Cell Stabilizer, Non-competitive H1-Receptor Antagonist (Antiallergic Agent) |
| General Purpose | Prophylactic management of allergic manifestations |
| Origin | Synthetic Benzocycloheptathiophene Derivative |
Definition and Composition: Ketotifen Fumarate
The core of Kofen is the active ingredient, Ketotifen Fumarate, which is a manufactured benzocycloheptathiophene derivative. This formulation is utilized as a fumarate salt to ensure stability and reliable absorption of the active base, Ketotifen.
Pharmacological Type: Dual-Action Antiallergic Agent
Ketotifen Fumarate is classified as an antiallergic agent, distinguished by its dual mechanism of action: it functions as a mast cell stabilizer and a non-competitive H1-receptor antagonist. This dual role is a defining characteristic of its pharmacological type.
Ketotifen functions as a long-acting mast cell stabilizer for preventative therapy. This mechanism aims to diminish the severity and frequency of recurring allergic manifestations, positioning the drug for maintenance therapy rather than immediate, acute relief.
Available Forms: Systemic versus Local
Kofen is supplied in multiple dosage forms, including oral preparations (tablets and solutions) and a local ophthalmic solution (eye drops). The oral preparations are systemic agents, meaning the Ketotifen circulates throughout the body. Conversely, the ophthalmic solution acts as a local agent, concentrating its effect on the surface of the eye to manage localized allergic conjunctivitis, thereby limiting systemic exposure.

