Tetryzoline hydrochloride: functions, dosage, side effects, how to use

Functions & Usage

What is tetrahydrozoline HCl used for?

Tetrahydrozoline HCl is a drug used to treat redness in the eyes due to minor eye irritation. Minor eye irritation itself is a condition caused by allergies, air pollution, or swimming.

These eye drops are classified as decongestants and vasoconstrictors. Tetrahydrozoline HCl works by constricting the blood vessels in the swollen eye, so that the redness of the eye can be reduced.

What are the rules for using tetrahydrozoline HCl?

Read the instructions or how to use the eye drops given by your pharmacist before starting tetrahydrozoline HCl.

Before using this medication, make sure you wash your hands first. Avoid touching the tip of the eye drop with your finger.

Then, with your head tilted up, pull the bottom of your eye with your index finger.

Apply the eye drops once, then close your eyes for 2-3 minutes. If you are required to use this medication for more than 1 drop, wait 5 minutes before the next drop.

Do not use this medication for more than the recommended dose, for less, or for longer than the recommended dosage. If your condition gets worse or shows no change, consult a doctor immediately.

If you have any questions, ask your doctor or pharmacist.

How to store this drug?

Tetrahydrozoline HCl is best stored at room temperature, which is about 15-25 degrees Celsius. Keep away from direct light and damp places. Don't keep it in the bathroom. Don't freeze it.

Other brands of this drug may have different storage rules. Observe the storage instructions on the product package or ask your pharmacist. Keep all medicines away from children and pets.

Do not flush this medication down the toilet or down the drain unless instructed to do so. Discard this product when the drug has expired or when it is no longer needed.

Consult your pharmacist or local waste disposal agency about how to safely dispose of your medicine.

Dose

The information provided is not a substitute for a doctor's prescription. ALWAYS consult your doctor or pharmacist before starting treatment.

What is the dose of tetrahydrozoline HCl for adults?

Drop / spray a 0.1% dose of the solution 2-4 times into each nostril, not more than once every 3 hours. Maximum duration: not longer than 3-5 days.

Conjunctival decongestant

As hydrochloride: 1-2 drops 0.01-0.05% solvent up to 4 times a day. The treatment period is not longer than 3-4 days unless prescribed.

What is the dose of tetrahydrozoline HCl for children?

The safety and performance of drugs have not been established in pediatric patients under 18 years.

In what dosages and preparations is this drug available?

This medicine is available in the form of eye drops.

Side effects

What are the possible side effects of tetrahydrozoline HCl?

Tetrahydrozoline HCl eye drops may cause side effects in some people.

The severity and symptoms of side effects may vary. According to MedlinePlus, here is a list of side effects that can arise from this drug:

• a stinging or burning sensation in the eye
• blurry vision
• redness or irritation gets worse
• headache
• sweating
• heart beat
• feeling restless

Not everyone experiences side effects. There are some side effects that are not listed above. If you have concerns about side effects, consult your doctor or pharmacist.

Precautions & Warnings

What should be considered before using tetrahydrozoline HCl?

Before using the tetrahydrozoline HCl eye drops, pay attention to the following:

• Tell your doctor about any diseases or other health conditions that you are suffering from. It is possible that this drug can trigger interactions with certain diseases or health conditions.
• In addition, tell your doctor about any medications you are currently using, whether prescription, non-prescription, supplements, or herbal medicines. This is important to prevent drug interactions.
• Tell your doctor if you have a history of allergies to certain drugs, especially tetrahydrozoline HCl or other eye drops.
• Do not use one bottle of eye drops for 2 or more people.
• If you are having a surgical procedure, tell your doctor which eye drops you are using. Your doctor may ask you to stop taking tetrahydrozoline HCl temporarily.
• Tell your doctor if you wear contact lenses. If your tetrahydrozoline HCl contains the active ingredient benzalkonium chloride, wait about 15 minutes after using the medicine if you are going to put on contact lenses.

Is this drug safe for pregnant and lactating women?

Pregnancy and breastfeeding: there is insufficient information about the safety of using this medicine during pregnancy and breastfeeding.

Drug Interactions

What drugs can interfere with the action of the tetrahydrozoline HCl drug?

Drug interactions can affect the performance of the drug, or increase the risk of side effects.

The following is a list of drugs that can interact with this drug:

• hypertension drugs
• MAOI antidepressant drugs
• tricyclic antidepressant drugs

Can certain foods and drinks interfere with the action of the tetrahydrozoline HCl drug?

Certain drugs should not be used when eating certain foods because drug-food interactions can occur.

Smoking tobacco or consuming alcohol with certain drugs can also cause interactions to occur.

Discuss your use of drugs with food, alcohol, or tobacco with your health care provider.

What health conditions can interfere with the performance of this drug?

Any other health conditions you have can affect the use of this drug. Always tell your doctor if you have other health problems, especially:

• glaucoma
• high blood pressure (hypertension)
• heart disease
• eye infection
• problematic thyroid gland

Overdose

What should I do in an emergency or overdose?

In case of an emergency or signs of an overdose, contact the emergency services provider (118 or 119) or immediately to the nearest hospital emergency department.

What should I do if I miss a dose?

If you forget a dose of this medicine, use it as soon as possible. However, when it is nearing the time of the next dose, skip the missed dose and return to the usual dosing schedule. Make sure you don't double your dose in one use.

Hello Health Group does not provide medical advice, diagnosis or treatment.