Generic Name(s): Potassium Chloride/Tetrahydrozoline Hydrochloride
Drug Class: Eye Drop
Treats: Eye Redness
Visine is an over-the-counter medication used in the treatment of eye redness caused by ocular irritation. There are two principal active ingredients in Visine: potassium chloride and tetrahydrozoline hydrochloride _ the latter being responsible for constricting blood vessels to reduce redness. Common side effects include blurring, tearing or stinging of the eye.
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Visine is an over-the-counter medication used to treat eye redness. This redness may be caused by any number of factors, chief of which is irritation of some degree. Visine is used to eliminate this redness through a process called vasoconstriction _ a process where blood vessels constrict to reduce flow. This is because irritants cause blood vessels supplying the eye to swell. This vasoconstriction is achieved by the tetrahydrozoline hydrochloride component of Visine. Visine may also be used for purposes not listed in this guide, as determined by your prescriber.
- Eye Redness
Visine, as with any other medicine, does not follow any fixed dose. There are, of course, recommended dosage regimens, but these regiments have exceptions. Patients may present with complicating factors such as age, co-administration of other medicines, and the presence of disease. Dosage may change at the discretion of your prescriber.
- Instil 1 to 2 drops of Visine solution into the affected eye between one and four times daily.
Visine Side Effects
As an over-the-counter medicine, Visine has minimal side effects. Many patients taking Visine do not experience any side effects whatsoever, but a small proportion will. Some of the most common and severe side effects are listed below, though this is not intended to be an exhaustive list. If patients experience any unexpected and severe side effect while taking Visine, they should discontinue the medicine and seek professional advice.
Common side effects include:
- Pupil Dilation
Consult your doctor if you experience any of the following side effects:
- Difficulty Breathing
- Chest Tightness
- Eye Pain
As with many medications, Visine is associated with numerous drug interactions, some of which are listed below _ though this is not intended to be an exhaustive list. Patients are advised not to commence administration of additional drugs unless approved by your prescriber or pharmacist. Patients are also advised to inform their prescriber of all medications they are currently taking, as many of these may interact with the function of Visine.
Drugs that interact with Visine include:
- St. John's Wort