Generic Name:Tetrahydrozoline ophthalmic Solution

Tetrasine Opthalmic is a prescribed eye mediecine used to relieve eye irritation from swimming fog dust etc. The active ingredient of Tetrasine which is a decongestant used to relieve redness, puffiness, and itchy/watering eyes due to colds, allergies, or eye irritations from smog, swimming, or wearing contact lenses). It is known as a sympathomimetic known as alpha receptor agonist that works in the eye to decrease congestion. Tetrasine Opthalmic ophthalmic causes constriction of blood vessels in the eyes. It also decreases itching and irritation of the eyes.
Tetrasine Opthalmic ophthalmic is used to relieve redness, burning, irritation, and dryness of the eye caused by wind, sun, and other minor irritants. This medicine is available with other name of Tetrasine EX.

How to Use Tetrasine Eye Drops

  • To apply eye drops, wash your hands first. To avoid contamination, do not touch the dropper tip or let it touch your eye or any other surface. Remove contact lenses before applying the eye drops. Wait at least 10 minutes after using this medication before inserting contact lenses.
  • Before using, check this product visually. Do not use if the liquid has changed color or is cloudy. Use in affected eye(s) as directed. Tilt your head back, look upward, and pull down the lower eyelid to make a pouch. Hold the dropper directly over the eye and place 1 drop into the pouch.
  • Look downward and gently close your eyes for 1 to 2 minutes. Place one finger at the corner of the eye near the nose and apply gentle pressure. This will prevent the medication from draining away from the eye. Try not to blink and do not rub the eye. Repeat these steps if your dose is for more than 1 drop and for the other eye if so directed.
  • Do not rinse the dropper. Replace the dropper cap tightly after each use. If you are using another kind of eye medication, wait at least 5 minutes before applying other medications. Use eye drops before eye ointments to allow the eye drops to enter the eye.
  • Overuse of this type of medication may result in increased eye redness (rebound hyperemia)

Cautions before Use Tetrasine Eye Drops

  • People who have any type of heart condition, including high blood pressure or taking any cardiac medicine are advised to not to take this medicine.
  • Patient with a medical history of thyroid cannot take Tetrasine Opthalmic.
  • People suffering from glaucoma are suggested to not to take this medicine.
  • Those people who have diabetes are suggested to not to take this medicine.

Tetrasine Eye Drops Side Effects

The side effects which may arise due to the usage of Tetrasine Opthalmic are as follows:

  • Stinging and redness in the eye
  • Widened pupils
  • Blurred vision
  • Burning, pain of the eye
  • Tearing vision
  • Headache
  • Tremor
  • Nausea
  • Sweating
  • Nervousness
  • Dizziness
  • Drowsiness

Interactions and Overdose of Tetrasine Eye Drops

There are some medicaions which may interact with this drug include: cyclobenzaprine, guanethidine, MAO inhibitors like furazolidone, linezolid, moclobemide, phenelzine procarbazine, rasagiline, selegiline, isocarboxazid, tranylcypromine, maprotiline, beta blockers like atenolol.

This medicine may be harmful if swallowed. If swallowing or overdose happens with anybody that patient is advised to take immediate medical support.


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