Tetrahydrozoline is a medication that belongs to the class of drugs known as imidazolines. It is commonly used as a decongestant in ophthalmic (eye) formulations to relieve redness and irritation in the eyes. Tetrahydrozoline works by constricting the blood vessels in the eyes, reducing redness and swelling.

Uses

1. Ocular Decongestion:

Healthcare providers primarily use tetrahydrozoline as a decongestant for the eyes, relieving redness and irritation caused by various factors such as allergies, dust, smoke, or minor eye irritations.

2. Vasoconstriction:

 It works by constricting the blood vessels in the eyes, reducing redness and swelling.

Stability and Storage Conditions

Stability:

Tetrahydrozoline solutions are generally stable, but light, temperature, and pH can affect stability.

Storage:

Store tetrahydrozoline eye drops at room temperature.

It is essential to follow specific storage instructions provided by the manufacturer.

Different Types of Formulations

1. Eye Drops:

Formulators commonly use tetrahydrozoline to formulate eye drops for direct application to the eyes.

Popular Brand Names

Visine:

Visine is a well-known brand of eye care products, and some formulations may include tetrahydrozoline for decongestant purposes.

Murine:

Eye care products associated with the brand Murine may contain tetrahydrozoline in some formulations.

Clear Eyes:

Various eye drops are associated with the brand name Clear Eyes, and some formulations may contain tetrahydrozoline.