PSEUDOEPHEDRINE-GUAIFENESIN

Pseudoephed is a decongestant that relieves nasal congestion by shrinking the blood vessels in the nasal passages. Guaifenesin is an expectorant that helps loosen congestion in the chest and throat. It works by making it easier to cough out through your mouth.

This combination medication is used to treat symptoms caused by the common cold, flu, allergies, or other breathing illnesses such as sinusitis and bronchitis. This medication may also be used in other conditions to be determined by your doctor.

Do not use this drug:

  • If you are allergic to any ingredient in Guaifenesin or Pseudoephedrine; or if you have other allergies.
  • If you have severe high blood pressure, severe heart blood vessel disease, rapid heartbeat, or severe heart problems
  • If you have taken Furazolidone or a Monoamine Oxidase (MAO) inhibitor (eg, Phenelzine) within the last 14 days
  • To children under 6 or 12 years unless specifically prescribed by the doctor.

Common side effects may include:

  • Nausea
  • Headache

Notify your doctor promptly if any of these symptoms persist or worsen.

Your doctor may have prescribed this medication because he or she judged that the benefit to you is greater than the risk of side effects.

Unlikely but serious side effects may include:

  • Dizziness
  • Fainting
  • Fast, Irregular or Pounding Heartbeat
  • Mental or Mood Changes (such as Anxiety, Confusion, Nervousness, Irritability)
  • Shaking (Tremor)
  • Trouble Sleeping
  • Difficult or Painful Urination
  • Severe Allergic Reaction

Precautions

Before taking this medication, tell your doctor or pharmacist:

  • If you are allergic to pseudoephedrine or guaifenesin; or if you have any other allergies. Also, inform your doctor if you have had a bad reaction to similar drugs (Sympathomimetics such as Ephedrine and Phenylephrine).
  • If you are to undergo any surgery.
  • If you are pregnant or breastfeeding.
  • Your medical history, especially of:
    • Breathing Problems (such as Emphysema, Chronic Bronchitis, Asthma, Smoker’s Cough)
    • Cough With Blood or Large Amounts of Mucus
    • High Blood Pressure
    • Heart Disease (such as Chest Pain, Heart Failure, Heart Attack)
    • Fast, Slow or Irregular Heartbeat, Diabetes
    • A Certain Eye Problem (Glaucoma)
    • Difficulty Urinating (such as Due to Enlarged Prostate)
    • Overactive Thyroid (Hyperthyroidism)

This drug may cause dizziness, drowsiness or blurred vision. Avoid activities requiring alertness or clear vision such as driving until you are sure you can perform such activities safely. Limit the use of alcohol and certain other medications that cause drowsiness.

Older adults and children may be more sensitive to the side effects of this drug, especially dizziness, drowsiness, mental or mood changes, constipation, fast heartbeat, trouble urinating, or blood pressure changes.

 

Interactions

Drug interactions may either lessen the effectiveness of this drug or heighten the risk for severe side effects. It’s important to inform your doctor all the medication including prescription and non-prescription and herbal medicines you are taking or going to take.

Possible interactions with this drug are:

  • Other Decongestants (taken by Mouth or Sprayed into the Nose)
  • Tricyclic Antidepressants (such as Nortriptyline, Amitriptyline)
  • Mao Inhibitors (Isocarboxazid, Linezolid, Methylene Blue, Moclobemide, Phenelzine, Procarbazine, Rasagiline, Selegiline, Tranylcypromine)
  • Beta Blockers
  • Reserpine
  • Guanethidine
  • Methyldopa
  • Mecamylamine

The Guaifenesin in this product can interfere with the results of certain lab tests such as urine levels of certain acids. Make sure laboratory personnel and all your doctors know you use this drug to avoid false results.

Call emergency hotline if someone has overdosed and has serious symptoms such as passing out or trouble breathing.

Symptoms of overdose may include:

  • Severe Dizziness or Fainting
  • Fast Irregular Heartbeat
  • Slow, Fast or Shallow Breathing
  • Hallucinations
  • Seizures

 

Available brand/s:

  • Asbunyl Plus
  • Bena Expectorant

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