Pheniramine and phenylephrine

Generic name: Pheniramine And Phenylephrine
Brand names: Alahist D
Dosage form: oral tablet (17.5 mg-10 mg)
Drug class: Upper respiratory combinations

Usage of Pheniramine and phenylephrine

Pheniramine and phenylephrine is a combination antihistamine and decongestant medicine that is used to treat runny or stuffy nose, sneezing, itching, watery eyes, and sinus congestion caused by allergies, the common cold, or the flu.

Pheniramine and phenylephrine may also be used for purposes not listed in this medication guide.

Pheniramine and phenylephrine side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

pheniramine and phenylephrine may cause serious side effects. Stop using pheniramine and phenylephrine and call your doctor at once if you have:

nervousness;

dizziness; or

trouble sleeping.

Common side effects of pheniramine and phenylephrine may include:

drowsiness;

feeling restless or excited (especially in children);

dry mouth, nose, or throat;

constipation; or

blurred vision, double vision.

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.

Before taking Pheniramine and phenylephrine

You should not use pheniramine and phenylephrine if you are allergic to pheniramine or phenylephrine.

Do not use pheniramine and phenylephrine 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, tranylcypromine, and others.

Ask a doctor or pharmacist if this medicine is safe to use if you have:

asthma or other breathing disorder such as emphysema or chronic bronchitis;

high blood pressure, heart disease;

an enlarged prostate and urination problems;

glaucoma;

diabetes; or

a thyroid disorder.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

Do not give this medicine to a child younger than 6 years old without medical advice.

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How to use Pheniramine and phenylephrine

Usual Adult Dose for Allergic Rhinitis:

Pheniramine 17 mg/phenylephrine 10 mg tablets: 1 tablet orally every 4 hoursMaximum dose: 6 tablets in 24 hoursDuration of therapy: 7 daysUse: Temporary relief of cold and allergy symptoms (rhinorrhea, sneezing, nasal congestion, and itchy nose, throat, or eyes).

Usual Pediatric Dose for Allergic Rhinitis:

Pheniramine 17 mg/phenylephrine 10 mg tablets:12 years and older: 1 tablet orally every 4 hoursMaximum dose: 6 tablets in 24 hoursDuration of therapy: 7 days6 to under 12 years: One-half tablet orally every 4 hoursMaximum dose: 3 tablets in 24 hoursDuration of therapy: 7 daysUse: Temporary relief of cold and allergy symptoms (rhinorrhea, sneezing, nasal congestion, and itchy nose, throat, or eyes).

Warnings

Do not use the medicine to make a child sleepy. Misuse of this medicine may cause death in very young children.

What other drugs will affect Pheniramine and phenylephrine

Ask a doctor or pharmacist before using other medicines that can cause drowsiness (such as opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Not all possible interactions are listed here.

Disclaimer

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