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Chlorpheniramine, methscopolamine, and phenylephrine

Generic names: chlorpheniramine, methscopolamine, and phenylephrine [KLOR-fen-IR-a-meen, METH-skoe-POL-a-meen, FEN-il-EFF-rin].
Brand names: AH-Chew II, Sinodec, Extendryl SR, Prehist D, Extendryl Chews,… Show all 61 brands
Dosage form: oral tablet, chewable (2 mg-1.25 mg-15 mg)
Combinations for the upper respiratory tract

What is Chlorpheniramine, methscopolamine, and phenylephrine?

Chlorpheniramine reduces the effects that histamine has on the body. Histamine can cause symptoms such as sneezing and itching. It may also cause watery eyes and a runny or watery nose. Methscopolamine Reduces the secretions in certain organs of the body. Phenylephrine shrinks the blood vessels of the nasal passages. Dilated blood vessels can cause congestion in the nasal passages. Combination medicine that contains chlorpheniramine, methscopolamine, and phenylephrine can be used to treat sinus congestion, runny noses, sneezing, and itching caused by allergies, colds, or the flu. This medication guide does not list all possible uses for chlorpheniramine and methscopolamine.

Side effects of Chlorpheniramine, methscopolamine, and phenylephrine

If you experience symptoms indicative of an allergic reaction, such as hives, difficulty breathing or swelling of lips, face, tongue or throat - seek medical assistance immediately!

If you experience:

  • Little or no urinating is acceptable.
  • Fast, pounding, or irregular heartbeats
  • Pale skin, feeling weak, or short of breath.
  • Tremors, hallucinations, and severe anxiety

Side effects that may occur from chlorpheniramine (methscopolamine), methscopolamine, and phenylephrine include:

  • Blurred vision, headache, dizziness;
  • Dry mouth, nose, or throat
  • Nausea;
  • Feeling nervous or restless?

There may be other side effects.Call your physician if experiencing side effects; for reporting purposes contact the FDA at 1-800-FDA-1088.

Warnings

You should not take this medication if you've taken an MAO inhibitor in the last 14 days. Drug interactions can occur. MAO inhibitors are tranylcypromine, isocarboxazid, and linezolid.

Before you take this drug

This medication should not be used if you have an allergy to methscopolamine, phenylephrine, or chlorpheniramine. If you've taken an MAO inhibitor in the last 14 days, do not use any of these drugs. It is possible that a dangerous drug interaction will occur. MAO inhibitors are isocarboxazid (linezolid), phenelzine (phenelzine), rasagiline (selegiline), and tranylcypromine.

If you suffer from:

  • Chronic bronchitis, coughing up mucus, asthma, COPD, or smoking
  • A blockage of the intestines or stomach;
  • Kidney or liver diseases
  • High blood pressure Heart Disease Coronary Artery Disease
  • Urination or prostate problems;
  • Glaucoma;
  • Pheochromocytoma
  • Overactive thyroid gland;
  • If you are taking potassium (Cytra Epiklor K-Lyte K-Phos Kaon Klor-Con Polycitra Urocit-K),

FDA pregnancy class C There is no information on whether or not this medicine can harm an unborn child. Do not use this product without consulting a doctor if you're pregnant. This medicine can pass into breastmilk and harm a nursing infant. Antihistamines, decongestants, and other medications can also reduce breast milk production. Do not use it without consulting a doctor if you're breastfeeding a child. Phenylalanine can be found in cold medicines that are artificially sweetened. Check the label of your medication to determine if it contains phenylalanine if you have phenylketonuria.

How to take Chlorpheniramine, methscopolamine, and phenylephrine?

Do not exceed the recommended dosage or duration. Use only the recommended dose. Do not exceed it. Usually, this medicine is taken for only a few days until the symptoms disappear. This medication should not be given to children younger than four years of age. Ask a doctor first before giving cough or cold medication to your child. Children as young as 4 years old can die from the misuse of cough medicines. Chew the chewable tablet before swallowing it.

Do not chew or crush a tablet. Swallow the entire tablet. Use a medicine cup or spoon to measure liquid medicines. Ask your pharmacist if you don't have a device for measuring doses. Tell your doctor or surgeon, if you've taken this medication within the last few days, if you are going to need medical testing or surgery. If your symptoms don't improve within 7 days or you experience a fever, headache, cough, or skin rash, call your doctor. Store away from moisture or heat at room temperature. The liquid form of the medicine should not be allowed to freeze.

What happens if I miss the dose?

You may not have a regular dosing regimen, as chlorpheniramine is taken only when necessary. Take the missed dose immediately if you take the medication regularly. If your next scheduled dosage is approaching, skip the missed dose. You should not take more medicine to compensate for a missed dose.

What happens if I overdose?

Call 1-800-222-1222 for poison help or seek immediate medical attention.

What should be avoided?

Chlorpheniramine and methscopolamine can cause blurred vision or affect your thinking or reactions. You should be careful when driving or doing anything else that requires alertness and the ability to see clearly. Chlorpheniramine can be exacerbated by alcohol. Before using any other allergy, cold, cough, or sleep medication, consult your doctor or pharmacist. Many combination medications contain antihistamines or decongestants. You can take too much medication by taking certain products together. You can check the label of a medication to see if it contains antihistamines or decongestants.

Interaction with other drug

Before using this medication, ask your doctor or pharmacist if you also use any other medications, such as prescription and over-the-counter medicines, vitamins, and herbal products. When used together, some medicines can have unwanted or harmful effects. This medication guide does not list all possible interactions. This medicine can have adverse effects if taken with drugs that cause you to sleep or slow down your breathing. You should consult your doctor before combining chlorpheniramine, methscopolamine, and phenylephrine with sleeping pills, narcotics, muscle relaxers, anxiety, depression, or seizure medications.

 

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