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A.R. Eye Drops (Generic Tetrahydrozoline Ophthalmic)

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Why is this medication prescribed?

To treat minor eye irritability and redness brought on by colds, pollen, and swimming, ophthalmic tetrahydrozoline is utilised.

How should this medicine be used?

Tetrahydrozoline for use in the eyes is available as a solution (liquid). Three or four times a day, as needed, the eye drops are often injected into the affected eyes. Ask your doctor or pharmacist to explain any instructions you do not understand, and carefully follow the advice on the package label or the label of your prescription. Tetrahydrozoline should only be used as prescribed. Use only as prescribed by your doctor or as instructed on the package label. Do not use more, less, or more frequently.

Use the eye drops as directed by these steps:

  • Use soap and water to thoroughly wash your hands.
  • Make sure the dropper tip is not broken or chipped by inspecting it.
  • Eye drops and droppers must be kept clean; avoid contacting the dropper tip to your eye or anything else.
  • Pull your lower eyelid down to create a pocket with your index finger while cocking your head back.
  • With your other hand, place the dropper as near to your eye as you can without touching it, tip down.
  • Place the hand’s remaining fingers to your face.
  • Squeeze the dropper gently while looking up so that a single drop falls into the lower eyelid’s pocket. Your index finger should be taken off the lower eyelid.
  • Tip your head down so that you are looking at the floor while closing your eyes for two to three minutes. Avoid blinking or squeezing your eyelids.
  • Give the tear duct a slight squeeze with your finger.
  • Use a tissue to remove any extra liquid from your face.
  • Wait at least 5 minutes before administering the subsequent drop if you need to use more than one in the same eye.
  • Replace and secure the dropper bottle’s cap. Never rinse or clean the dropper tip.
  • To get rid of any medication, wash your hands.

Other uses for this medicine

Other prescriptions for this drug are possible. For more information, consult your physician or pharmacist.

What special precautions should I follow?

Before using tetrahydrozoline eye drops,

  • If you have an allergy to tetrahydrozoline or any other drug, let your doctor and pharmacist know right away.
  • Inform your doctor and pharmacist about all prescription and over-the-counter drugs you are taking, including vitamins, MAO inhibitors (phenelzine (Nardil), tranylcypromine (Parnate), and drugs for high blood pressure.
  • Infection or disease of the eyes, heart disease, excessive blood pressure, or an overactive thyroid gland should all be disclosed to your doctor.
  • Inform your doctor if you are expecting, intend to get pregnant, or are nursing a baby. Call your doctor if you become pregnant while using tetrahydrozoline eye drops.
  • Inform your doctor or dentist that you are using tetrahydrozoline eye drops if you are having surgery, including dental surgery. You might need to temporarily cease taking tetrahydrozoline eye drops.
  • If you wear soft contact lenses, let your doctor know. You should wait at least 15 minutes after using soft contact lenses if the brand of tetrahydrozoline eye drops you’re using contains benzalkonium chloride.

What should I do if I forget a dose?

Whenever necessary, tetrahydrazoline eye drops are routinely used. If you miss a dosage, however, and your doctor has instructed you to take the drops regularly, take the missed dose as soon as you remember it. If the next dose is soon due, skip the missed one and carry on with your regular dosing plan. To make up for a missing dose, do not provide a second dose.

What side effects can this medication cause?

There may be negative effects from tetrahydrozoline eye drops. If any of these symptoms are severe or do not go away, let your doctor know right once:

  • Burning or stinging in the eyes
  • Distorted vision
  • Increased inflammation or redness of the eyes

Tetrahydrozoline eye drops should not be used if you have any of the following symptoms. Call your doctor right once.

  • Headache
  • Sweating
  • Rapid or erratic heartbeat
  • Nervousness

You or your doctor can submit a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting programme online or by phone if you have a serious side event (1-800-332-1088).

What should I know about storage and disposal of this medication?

Keep this medication tightly closed in the original container and out of the reach of children. Store it away from excessive heat and moisture at room temperature (not in the bathroom). Do not use the drug if it turns discoloured; instead, get a new bottle.

Unused prescriptions must be disposed of carefully to prevent pets, kids, and other people from ingesting them. You should not, however, dispose of this medication in the toilet. Instead, utilising a medicine take-back programme is the easiest approach to get rid of your medication. To find out about take-back programmes in your area, speak with your pharmacist or the garbage/recycling department in your city. If you do not have access to a take-back programme, see the FDA’s Safe Disposal of Medicines website at for additional information.

All medications should be kept out of the sight and reach of children, as many of the containers (such as weekly pill containers and those for eye drops, lotions, patches, and inhalers) are not child-resistant and are simple for small children to open. Always lock safety caps and put the medication in a secure spot right away, up high and out of young children’s sight and reach, to prevent poisoning.

What other information should I know?

Keep all of your doctor’s appointments.

Do not share your medication with anybody else. If you have any inquiries regarding tetrahydrozoline eye drops, ask your pharmacist.

Call your doctor if you continue to experience eye irritation after taking tetrahydrozoline as prescribed.

You should keep a written record of every medication you take, including any over-the-counter (OTC) items, prescription drugs, and dietary supplements like vitamins and minerals. This list should be brought with you whenever you see a doctor or are admitted to the hospital. You should always have this information with you in case of emergencies.

Brand names

  • Collyrium Fresh®
  • Murine® Plus
  • Optigene® 3
  • Visine®
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