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Tetrahydrozoline

relieves redness of the eye due to minor eye irritations as a lubricant to prevent further irritation or to relieve dryness of the eye.

Checked against the official label · Updated

Sold without prescription in some countries Ophthalmic

How to use Tetrahydrozoline

Lo que dice el prospecto oficial. Si te lo recetó un médico, sigue la receta. Si el prospecto de tu caja es distinto, manda el de tu caja.

Para quién es

Relieves redness of the eye due to minor eye irritations as a lubricant to prevent further irritation or to relieve dryness of the eye

Cómo tomarlo y con qué frecuencia

instill 1 to 2 drops in the affected eye(s) up to 4 times daily

While you are taking it
  • Pupils may become enlarged temporarily to avoid contamination, do not touch tip of container to any surface
  • Replace cap after using. if solution changes color or becomes cloudy, do not use overuse may produce increased redness of the eye remove contact lenses before using
Talk to a doctor first if

narrow angle glaucoma

Warnings

For external use only Ask a doctor before use if you have narrow angle glaucoma When using this product pupils may become enlarged temporarily to avoid contamination, do not touch tip of container to any surface. Replace cap after using. if solution changes color or becomes cloudy, do not use overuse may produce increased redness of the eye remove contact lenses before using Stop use and ask a doctor if you experience eye pain changes in vision continued redness or irritation of the eye, or if the condition worsens or persists for more than 72 hours If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. …

Posibles efectos secundarios

You experience eye pain changes in vision continued redness or irritation of the eye, or if the condition worsens or persists for more than 72 hours

Pregnancy and breastfeeding

If pregnant or breast-feeding, ask a health professional before use.

How to store it

Keep out of reach of children.

Si olvidas una dosis

Tómala en cuanto te acuerdes, salvo que falte poco para la siguiente. En ese caso, sáltate la olvidada. Nunca tomes dos dosis a la vez para compensar. Revisa tu prospecto, porque algunos medicamentos son distintos.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2025-12-30.

Marcas en todo el mundo

Products with Tetrahydrozoline as the active ingredient. Names differ between countries.

Registered products

United States (FDA)

Walgreens Eye Drops Original 15ml And Twin PackTETRAHYDROZOLINE HYDROCHLORIDE .05 g/100mL · Solution/ Drops · Walgreens Company
NDC 0363-4550Label
Careone Itchy Relief Eye Drops 15mlZINC SULFATE .25 g/100mL, TETRAHYDROZOLINE HYDROCHLORIDE .05 g/100mL · Liquid · Retail Business Services, LLC.
NDC 72476-011Label
Tetrahydrozoline HciTETRAHYDROZOLINE HYDROCHLORIDE 1 kg/kg · Powder · PCAS Finland Oy
NDC 51014-7162Label
Sunmark Eye Drops Advanced Moisturizer/lubricantDEXTRAN 70 .1 g/100mL, POLYETHYLENE GLYCOL 400 1 g/100mL, POVIDONE 1 g/100mL · Solution/ Drops · Strategic Sourcing Services LLC
NDC 49348-697Label
Walgreens Eye Drops Advanced Relief 15mlDEXTRAN 70 .1 g/100mL, POLYETHYLENE GLYCOL 400 1 g/100mL, POVIDONE 1 g/100mL · Solution/ Drops · Walgreen Company
NDC 0363-4547Label

Nigeria (NAFDAC)

NAFDACVitricine Eye Drop 04-4112

Other countries: check your pack's registration number and we point you to your regulator.

Check your pack of Tetrahydrozoline

Type the registration number on the pack, or scan it with your camera.

O haz fotos de la caja
Te quedan 3 verificaciones gratis hoy Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Tetrahydrozoline

What is Tetrahydrozoline used for?

relieves redness of the eye due to minor eye irritations as a lubricant to prevent further irritation or to relieve dryness of the eye (From the official U.S. FDA label.)

How do I take Tetrahydrozoline?

Follow your prescription or the leaflet in your pack. The official label says: instill 1 to 2 drops in the affected eye(s) up to 4 times daily…

Do I need a prescription for Tetrahydrozoline?

In many countries Tetrahydrozoline is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Tetrahydrozoline?

Tetrahydrozoline is sold under names such as Optigene, Visine, Altazine, Foster And Thrive Advanced Relief Eye Drops. Brand names differ between countries.

What are the side effects of Tetrahydrozoline?

The official label lists: you experience eye pain changes in vision continued redness or irritation of the eye, or if the condition worsens or persists for more than 72 hours Tell your doctor about any side effect that bothers you or does not go away.

Can I take Tetrahydrozoline when pregnant or breastfeeding?

If pregnant or breast-feeding, ask a health professional before use. Ask your doctor or midwife first.

How can I check that my Tetrahydrozoline is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.