Overview
Optrex Red Bloodshot Eye Drops are designed to relieve redness and discomfort caused by eye strain, tiredness, smoke, pollution, wind, and other environmental irritants. They contain a decongestant ingredient that works by temporarily reducing swelling in the blood vessels on the surface of the eye, helping to quickly reduce redness and restore a natural appearance.
These eye drops are ideal for occasional use when eyes appear bloodshot or irritated due to lack of sleep, prolonged screen use, or exposure to dry or smoky environments. They provide targeted relief directly where it’s needed and begin working quickly after application.
Optrex Red Bloodshot Eye Drops are intended for short-term use only and should not be used continuously for long periods, as overuse may worsen redness. Always follow the directions for use and consult a healthcare professional if symptoms persist.
Directions
Directions for Use
For ocular use only.
Wash hands before use.
Avoid touching the dropper tip to the eye or any surface.
Adults and children aged 12 years and over:
Instil 1–2 drops into each affected eye, up to 4 times daily.
Do not use for more than 5 consecutive days without medical advice.
Children under 12 years:
Not suitable.
Side Effects
Like all medicines, Optrex Red Bloodshot Eye Drops can cause side effects, although not everyone will experience them.
Possible side effects may include:
Mild stinging or burning sensation
Temporary blurred vision
Eye irritation or dryness
Rare side effects:
Worsening redness with prolonged use
Eye pain or swelling
If you experience severe discomfort, vision changes, or worsening symptoms, stop using the drops and seek medical advice.
Warnings
- For eye use only. Do not swallow.
Not suitable for children under 12 years of age.
Do not use if you are allergic to any of the ingredients.
Do not use continuously for more than 5 days without medical advice.
Avoid touching the dropper tip to prevent contamination.
Remove contact lenses before use and wait at least 15 minutes before reinserting.
Consult a doctor or pharmacist before use if you have glaucoma, heart disease, high blood pressure, or thyroid problems.
If redness persists or worsens, seek medical advice.
Keep out of the sight and reach of children.
Ingredients
Active ingredient:
Tetrahydrozoline hydrochloride 0.05% w/v
Other ingredients:
Boric acid
Sodium borate
Purified water
(Refer to the product packaging or patient information leaflet for the full ingredients list.)
FAQ
What are Optrex Red Bloodshot Eye Drops used for?
They are used to reduce eye redness and soothe irritation caused by tiredness, smoke, pollution, or environmental factors.
How do these eye drops work?
They reduce redness by narrowing swollen blood vessels on the surface of the eye.
How quickly do they work?
Redness relief usually begins within a few minutes of application.
Can I use these eye drops every day?
They are intended for occasional, short-term use only. Do not use continuously for more than 5 days without medical advice.
Can children use Optrex Red Bloodshot Eye Drops?
They are suitable for children aged 12 years and over only.
Can I use these drops with contact lenses?
Yes, but contact lenses must be removed before use and reinserted after 15 minutes.
What should I do if my eyes stay red?
If redness persists, worsens, or is accompanied by pain or vision changes, seek medical advice.



