Enfenac

Enfenac Uses, Dosage, Side Effects, Mechanism of Action, How Long Does it Take to Work? Enfenac is a brand name. Its generic name is Nepafenac.

Enfenac Introduction

Enfenac is a non-steroidal anti-inflammatory drug (NSAID) indicated for the treatment of inflammation and pain associated with ocular surgery. It is also approved for the treatment of postoperative inflammation and for the symptomatic treatment of pain associated with cataract extraction.

Uses for Enfenac

The primary uses for Enfenac are the prevention and treatment of postoperative inflammation and pain associated with ocular surgery. It is also used for the treatment of conditions such as iritis, chorioretinitis, and macular edema, as well as complications related to cataract extraction.

Mechanism of Action of Enfenac

Enfenac works by inhibiting the activity of cyclooxygenase (COX)-1 and COX-2, two enzymes involved in the body’s production of prostaglandins, substances that can cause inflammation, pain, and fever.

How Long does it Take for Enfenac to Work?

Enfenac typically begins to work within minutes, though its exact effects may vary depending on the condition being treated and the patient’s individual response.

Absorption of Enfenac

Enfenac is rapidly and well absorbed when applied to the eye. Its peak concentration in the eye is reached within 5 minutes after application.

Route of Elimination of Enfenac

Enfenac is rapidly metabolized in the ocular tissue and is primarily eliminated via the kidneys.

Dosage of Enfenac

Enfenac is available as an ophthalmic solution, 0.1% in a unit dose container for single use only. The recommended dosage is one drop in the affected eye three times a day, approximately 8 to 12 hours apart.

Administration of Enfenac

Enfenac should be applied to the affected eye in the form of an eye drop immediately before any type of ocular surgery. It should also be applied to the affected eye four times a day (approximately 8 to 12 hours apart) for up to two weeks after the surgery. Clean your hands and the affected eye with warm water and a mild soap before applying the drops. Apply gentle pressure to the inside corner of the eye (near the nose) for one to two minutes to prevent the medication from entering the tear duct and entering the rest of the body.

Side Effects of Enfenac

The most common side effects of Enfenac include: eye pain, itching, redness, increased intraocular pressure, and eye discharge. Less common side effects may include a allergic reaction, eye infection, blurred vision, increased sensitiviy to light, and dry eyes.

Toxicity of Enfenac

Enfenac is generally considered to be safe and well-tolerated. However, long-term use may lead to higher systemic absorption, and consequently, higher risk of serious adverse events.

Precaution of Enfenac

Enfenac should be used cautiously in patients with a known history of bleeding disorders, high blood pressure, or cardiac or renal disease. Patients should inform their physician of any concomitant medication they are taking before using Enfenac.

Interaction of Enfenac

Enfenac is known to interact with certain drugs including Vitamin C, anticoagulants, and diuretics. Enfenac may also interact with other NSAIDs, corticosteroids, and antibiotic medications.

Disease Interactions with Enfenac

Enfenac may interact with certain diseases, including bleeding disorders, high blood pressure, and renal or cardiac diseases. As Enfenac may cause increased systemic absorption, caution should be exercised when used in these patients.

Drug Interactions with Enfenac

Enfenac may interact with certain drugs, including anticoagulants, diuretics, Vitamin C, NSAIDs, and corticosteroids. It is important to tell your doctor about all medications you are taking before using Enfenac.

Food Interactions with Enfenac

Enfenac is not known to interact with any dietary foods. However, it is important to follow all dietary instructions given by your doctor while using the medication.

Pregnancy Use of Enfenac

Enfenac should be used with caution in pregnant women, as its safety in such patients has not been established. Tell your doctor if you are pregnant before using the medication.

Lactation Use of Enfenac

Enfenac should not be used by women who are breastfeeding as it is not known if the medication is passed through breast milk. Talk to your doctor before using Enfenac if you are breastfeeding.

Acute Overdose of Enfenac

Enfenac is not generally associated with acute overdose. However, if an overdose is suspected, contact a healthcare provider immediately additional medical advice.

Contraindication of Enfenac

Enfenac is contraindicated in patients with known hypersensitivity to any component of the drug. It should also not be used in patients with a confirmed diagnosis of an eye infection, corneal abrasion, or dermatitis of the eye.

Use Directions of Enfenac

When using Enfenac, patients should follow their doctor’s directions and any printed instructions supplied with the medication. Before using the medication, the eye should be washed with warm water and a mild soap to remove any debris.

Storage Condition of Enfenac

Enfenac should be stored at room temperature away from direct light and moisture. The medication should also be kept out of the reach of children.

Volume of Distribution of Enfenac

The volume of distribution of Enfenac is not known.

Half Life of Enfenac

The half-life of Enfenac is approximately 4 hours.

Clearance of Enfenac

The clearance of Enfenac is not known.

Here you find in details version of Enfenac

Some Frequently Asked Questions About Enfenac

What is Enfenac?

Enfenac is a nonsteroidal anti-inflammatory (NSAID) eye drop used to treat the pain and swelling associated with cataract surgery. It works by blocking the production of certain naturally occurring substances in the body that cause inflammation.

How does Enfenac work?

Enfenac works by blocking the production of certain naturally occurring substances in the body that cause inflammation. It is the only NSAID approved to be used after cataract surgery.

Who can use Enfenac?

Enfenac is for use only in adults after cataract surgery. It should not be used in children.

How often should I take Enfenac?

Enfenac is typically used every 8 to 12 hours, starting one day before your cataract surgery and continuing until the eye doctor or surgeon tells you to stop. Be sure to follow all instructions from your eye doctor or surgeon when using Enfenac.

What are the possible side effects of Enfenac?

Common side effects of Enfenac include eye irritation or burning, redness of the eye, blurred vision, scratchiness in the eyes, and eye discharge. If you experience any of these side effects, talk to your doctor.

Are there any precautions to take while using Enfenac?

You should not use Enfenac if you are allergic to any of its ingredients. Be sure to tell your doctor or eye doctor if you have a history of allergies, asthma, or any other serious medical conditions. Do not use more or less than recommended when taking Enfenac.

Can I use other eye medications in combination with Enfenac?

You should not use any NSAIDs, antibiotics, corticosteroids, or other prescribed medications in combination with Enfenac without first talking to your doctor. Additionally, do not use other eye drops while using Enfenac unless your doctor tells you to.

What should I do if I forget to take my dose of Enfenac?

If you miss a dose of Enfenac, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for the missed dose.

Should I avoid certain foods or drinks while using Enfenac?

No, there are no foods or drinks that you need to avoid while using Enfenac. However, you should not drink alcohol while using Enfenac as it can increase the risk of stomach bleeding.

Is there an alternative to Enfenac?

No, there is currently no alternative for Enfenac. However, your doctor may be able to prescribe you a similar medication that is more suitable for your condition.

What should I do if my eye irritation gets worse?

If your eye irritation gets worse while using Enfenac, talk to your doctor or eye doctor immediately as they may need to adjust your dose or switch you to a different medication.

Can I wear contacts while taking Enfenac?

No, it is recommended that you avoid wearing contacts while taking Enfenac. Enfenac may cause eye irritation or burning that could make wearing contacts uncomfortable.

Can Enfenac be used for pain or discomfort in my eye caused by allergies?

No, Enfenac is not recommended for the relief of pain or discomfort caused by allergies. You should consult your doctor to determine the best course of treatment for your allergy-related eye symptoms.

Is there any scientific evidence to support the use of Enfenac?

Yes, studies have shown that Enfenac may reduce pain and swelling associated with cataract surgery. Additionally, studies have also found that Enfenac may improve vision after cataract surgery.

What should I do if I experience an allergic reaction to Enfenac?

If you experience any signs of allergic reaction to Enfenac such as hives, difficulty breathing, or swollen eyes, you should immediately stop using Enfenac and seek medical attention.

Are there any foods or medications that interact with Enfenac?

You should not use other NSAIDs, antibiotics, corticosteroids, or other prescribed medications in combination with Enfenac without first talking to your doctor. Additionally, certain other medications such as oral corticosteroids, diuretics, and dihydroergotamine can also interact with Enfenac, so make sure to tell your doctor about all the medications you are taking.

Can I take Enfenac if I'm pregnant or breastfeeding?

No, Enfenac should not be used in pregnant or breastfeeding women unless explicitly directed to do so by a doctor. If you are pregnant or breastfeeding and need to take Enfenac, be sure to talk to your doctor about the potential risks.

Does Enfenac cause dry eye?

No, Enfenac does not typically cause dry eye. However, it may make existing dry eye symptoms worse, so tell your doctor if you are experiencing any dry eye symptoms before using Enfenac.

Does Enfenac cause drowsiness?

No, Enfenac does not typically cause drowsiness. However, if you experience any drowsiness after using Enfenac, you should talk to your doctor.

Can I wear eye makeup while using Enfenac?

Yes, you can wear eye makeup while using Enfenac. However, it is recommended to wait at least 15 minutes after applying Enfenac before applying makeup.

Can I go outside while using Enfenac?

Yes, you can go outside while using Enfenac. However, you should apply sunglasses to protect your eyes from the sun.

Can I swim while taking Enfenac?

Yes, you can swim while taking Enfenac. However, you should wear a swim cap to protect your eyes from the chlorine.

Can Enfenac be used for glaucoma?

No, Enfenac is not recommended for the treatment of glaucoma. You should consult your doctor to determine the best course of treatment for your glaucoma.

Can I take a shower or bath while using Enfenac?

Yes, you may take a shower or bath while using Enfenac. Just be sure to keep your eyes closed when showering or bathing to avoid getting Enfenac in your eyes.

Does Enfenac interact with any other drugs?

Yes, certain drugs such as oral corticosteroids, diuretics, and dihydroergotamine can interact with Enfenac, so be sure to tell your doctor about all the medications you are taking.

Will I experience any vision changes while taking Enfenac?

No, you should not experience any vision changes while taking Enfenac. However, if you do experience vision changes while taking Enfenac, you should talk to your doctor or eye doctor.

What should I do if my vision becomes blurred while using Enfenac?

If your vision becomes blurred while using Enfenac, you should talk to your doctor or eye doctor. Blurred vision is a possible side effect of Enfenac, and your doctor may need to adjust your dose or switch you to a different medication.

Can I use artificial tears while using Enfenac?

Yes, you can use artificial tears while using Enfenac. However, it is recommended to wait at least 15 minutes after applying Enfenac before using artificial tears.

Can I use eye drops containing preservatives while using Enfenac?

No, it is not recommended to use eye drops containing preservatives while using Enfenac. Preservatives can irritate the eyes, and could make using Enfenac uncomfortable.

Can I wear contact lenses while taking Enfenac?

No, it is recommended that you avoid wearing contact lenses while taking Enfenac. Enfenac may cause eye irritation or burning that could make wearing contacts uncomfortable.

Is there an age limit to using Enfenac?

Yes, Enfenac is for use only in adults after cataract surgery. It should not be used in children.

Will I need to use Enfenac for my entire cataract surgery recovery period?

No, you will not need to use Enfenac for your entire cataract surgery recovery period. Your doctor or eye doctor will determine when you can stop using Enfenac.

Can I use Enfenac if I have a history of epilepsy or seizure disorder?

No, it is not recommended to use Enfenac if you have a history of epilepsy or seizure disorder. Talk to your doctor before using any medications for pain or inflammation if you have a history of seizures or epilepsy.

Does Enfenac treat any other eye diseases?

No, Enfenac is not recommended for conditions other than pain and swelling associated with cataract surgery. You should consult your doctor to determine the best course of treatment for any other eye conditions.

Can my eye become infected while using Enfenac?

Yes, it is possible for your eye to become infected while using Enfenac. If you experience any signs of eye infection such as unusual pain, swelling, redness, or pus-like discharge, contact your doctor or eye doctor immediately.

Does Enfenac help to improve my vision?

Yes, studies have found that Enfenac may improve vision after cataract surgery. Additionally, Enfenac may also reduce pain and swelling associated with cataract surgery.

How long should I wait after using Enfenac before driving?

It is recommended to wait at least 15 minutes after applying Enfenac before driving. Enfenac may cause blurred vision, so it is important to give your eyes time to adjust before driving.

Can I use Enfenac if I have a history of stomach ulcers?

No, it is not recommended to use Enfenac if you have a history of stomach ulcers. Enfenac can irritate the stomach, and could make your ulcers worse. Talk to your doctor before using any medications for pain or inflammation if you have a history of stomach ulcers.

Can I get a prescription for Enfenac if I have an infection in my eye?

No, it is not recommended to use Enfenac if you have an infection in your eye. You should talk to your doctor immediately if you have an eye infection as you may need antibiotics or other medication to treat it.