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Generic Name: phenylephrine nasal (FEN il EFF rin)
Brand Name:4-Way, Afrin 4 Hour Extra Moisturizing, Little Noses Decongestant, Nasal Four, Neo-Synephrine Nasal, Sinex Nasal Spray
Medically reviewed by Holevn.org on Jan 29, 2020 – Written by Cerner Multum
What is Sinex Nasal Spray?
Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
Sinex Nasal Spray is used to treat nasal congestion and sinus pressure caused by allergies, the common cold, or the flu. Phenylephrine may be used to treat congestion of the tubes that drain fluid from your inner ears, called the eustachian (yoo-STAY-shun) tubes.
Sinex Nasal Spray may also be used for purposes not listed in this medication guide.
Do not use Sinex Nasal Spray if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
Before taking this medicine
You should not use Sinex Nasal Spray if you are allergic to it.
Do not use Sinex Nasal Spray if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.
Ask a doctor or pharmacist if it is safe for you to use this medicine if you have other medical conditions, especially:
heart disease, heart rhythm disorder;
high blood pressure;
a thyroid disorder; or
an enlarged prostate or urination problems.
It is not known whether Sinex Nasal Spray will harm an unborn baby. Do not use this medicine without a doctor’s advice if you are pregnant.
It is not known whether phenylephrine nasal passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor’s advice if you are breast-feeding a baby.
How should I use Sinex Nasal Spray?
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Cold medicine should be used only for a short time until your symptoms clear up.
Do not give Sinex Nasal Spray to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.
Sinex Nasal Spray is usually used every 4 hours. Follow the directions on the medicine label. Never use more of this medicine than directed on the label or prescribed by your doctor. Using this medicine too long can damage the lining of your nasal passages and lead to chronic nasal congestion.
To use the nasal spray:
Blow your nose gently. Keep your head upright and insert the tip of the bottle into one nostril. Press your other nostril closed with your finger. Breathe in quickly and gently spray the medicine into your nose. Then use the spray in your other nostril.
Do not blow your nose for at least a few minutes after using the nasal spray.
If the spray gets in your eyes or mouth or on your skin, rinse with water.
If the nasal spray has not been used for longer than 24 hours, prime it by spraying 1 or 2 times into a tissue.
After each use, clean the tip of the spray bottle with a clean tissue or rinse it with hot water, making sure that no water gets into the medicine bottle. Keep the cap on the bottle when not in use.
To use the nasal drops, lie on your back with your head tilted back. Insert the correct number of drops and remain lying in this position for several minutes. Gently turn your head from side to side.
To prevent the spread of infection, do not share Sinex Nasal Spray with anyone else.
Call your doctor if your symptoms do not improve after 3 days of treatment, or if you have a fever with a headache, cough, or skin rash.
If you need surgery, tell the surgeon ahead of time that you are using Sinex Nasal Spray. You may need to stop using the medicine for a short time.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Since Sinex Nasal Spray is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call 115.
Overdose symptoms may include severe dizziness or drowsiness, slow heart rate, and fainting.
What should I avoid while using Sinex Nasal Spray?
Avoid getting Sinex Nasal Spray in your eyes.
Ask a doctor or pharmacist before using any other cold, cough, or allergy medicine. Many combination medicines contain pseudoephedrine. Taking certain products together can cause you to get too much of this medicine.
Sinex Nasal Spray side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using Sinex Nasal Spray and call your doctor at once if you have:
severe sneezing, runny or stuffy nose, redness or swelling in your nose, or other worsening nasal symptoms (may be a sign of overuse of Sinex Nasal Spray);
severe stinging, burning, or irritation inside your nose;
severe dizziness, restless feeling, nervousness, or insomnia;
mood changes, unusual thoughts or behavior;
tremors or shaking; or
little or no urination.
Side effects may be more likely in older adults.
Common side effects may include:
mild burning, dryness, cold feeling, or irritation inside your nose;
headache, dizziness, weakness;
feeling excited or restless (especially in children); or
mild sleep problems.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Sinex Nasal Spray?
Ask a doctor or pharmacist before using Sinex Nasal Spray if you are also using any other drugs, including prescription and over-the-counter medicines, vitamins, and herbal products. Some medicines can cause unwanted or dangerous effects when used together. Not all possible interactions are listed in this medication guide.
Ask a doctor or pharmacist if it is safe for you to use Sinex Nasal Spray if you are also using any of the following drugs:
blood pressure medication; or
This list is not complete. Other drugs may interact with phenylephrine nasal, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Copyright 1996-2018 Cerner Multum, Inc. Version: 6.02.
The content of Holevn is solely for the purpose of providing information about Thuốc Sinex Nasal Spray and is not intended to be a substitute for professional medical advice, diagnosis or treatment. Please contact your nearest doctor or clinic, hospital for advice. We do not accept liability if the patient arbitrarily uses the drug without following a doctor’s prescription.
Reference from: https://www.drugs.com/mtm/sinex-nasal-spray.html