AlleRx Dose Pack PE (AM Dose) Side Effects

Generic Name: methscopolamine / phenylephrine

Note: This document contains side effect information about methscopolamine / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name AlleRx Dose Pack PE (AM Dose).

Some side effects of AlleRx Dose Pack PE (AM Dose) may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to methscopolamine / phenylephrine: extended-release tablets

Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Constipation; dizziness; drowsiness; dry mouth, nose, or throat; excitability or irritability (especially in children); flushing; headache; nausea; nervousness.

Seek medical attention right away if any of these SEVERE side effects occur while taking methscopolamine / phenylephrine:

Severe allergic reactions (difficulty breathing; hives; itching; rash; swelling of the mouth, tightness in the chest; face, lips, or tongue); blurred vision; clumsiness; difficulty swallowing; fast or irregular heartbeat; hallucinations; mental or mood changes; seizures; tremor; trouble sleeping; trouble urinating; unusual bleeding or bruising; vomiting.

For Healthcare Professionals

Applies to methscopolamine / phenylephrine: oral tablet extended release

Nervous system

Nervous system side effects have included drowsiness, lassitude, giddiness, increased irritability or excitement.


Gastrointestinal side effects have included nausea and dryness of mouth.


Cardiovascular side effects have included palpitations and flushing.


Ocular side effects have included blurred vision.

More about AlleRx Dose Pack PE (AM Dose) (methscopolamine / phenylephrine)

Consumer resources

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Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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