What is Medi-Phenyl: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Sep 22, 2023

Medi-Phenyl overview

BRAND NAMES:

  • Children's Sudafed PE Nasal Decongestant, Childrens Triaminic Thin Strips, Contac D Cold, Good Neighbor Pharmacy Nasal Decongestant PE, Good Sense Nasal Decongestant PE, Medi-First Non-Pseudo Sinus Decongestant, Medi-Phenyl, Nasal Decongestant PE, Quality Choice Suphedrine PE, Sinus PE, Sinus Pressure & Congestion Relief PE, Sudafed PE, Sudogest PE, Sudo-Tab PE, Sunmark Nasal Decongestant PE

Generic Names:

  • Medi-Phenyl

Uses:

  • Treats stuffy nose and sinuses.

Therapeutic Classes:

  • Decongestant

Forms:

  • Chewable Tablet, Thin Sheet, Tablet, Dissolving Tablet, Liquid

How it’s taken:

  • By mouth

What is Medi-Phenyl used for?

What form(s) does Medi-Phenyl come in

  • Chewable Tablet

  • Thin Sheet

  • Tablet

  • Dissolving Tablet

  • Liquid

What are common Medi-Phenyl doses?

  • Tablet 5mg

How to take Medi-Phenyl

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • Oral liquid: Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Disintegrating tablet: Make sure your hands are dry before you handle the disintegrating tablet. Peel back the foil from the blister pack, then remove the tablet. Do not push the tablet through the foil. Place the tablet in your mouth. After it has melted, swallow or take a drink of water.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

What to do if you miss a dose of Medi-Phenyl

Medi-Phenyl contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to phenylephrine or other nasal decongestants. Do not use this medicine if you have used an MAO inhibitor (MAOI) within the past 2 weeks.

Medi-Phenyl warnings

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Stop using this medicine and call your doctor if your symptoms do not improve within 7 days, or if you develop a fever.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have high blood pressure, heart disease, diabetes, thyroid disease, or trouble urinating due to an enlarged prostate.

  • Ask your doctor before you give this medicine to your child. Do not give this medicine to a child younger than 4 years.

Medi-Phenyl interactions

  • Tell your doctor if you are pregnant or breastfeeding, or if you have high blood pressure, heart disease, diabetes, thyroid disease, or trouble urinating due to an enlarged prostate.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Stop using this medicine and call your doctor if your symptoms do not improve within 7 days, or if you develop a fever.

  • Ask your doctor before you give this medicine to your child. Do not give this medicine to a child younger than 4 years.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Medi-Phenyl side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

Less Serious Side Effects

  • Nervousness, restlessness, or trouble sleeping

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