AlleRx PE Side Effects

Please note - some side effects for AlleRx PE may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of AlleRx PE - for the Consumer

AlleRx PE

Applies to: tablets

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using AlleRx PE:

Constipation; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; increased sweating; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision or other vision changes; confusion; difficulty swallowing; difficulty urinating or inability to urinate; fast or irregular heartbeat; fever, chills, or persistent sore throat; hallucinations; mental or mood changes; seizures; severe dizziness, drowsiness, lightheadedness, or headache; shortness of breath; tremor; unusual tiredness or weakness.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Side Effects by Body System - for Healthcare Professionals

Applies to: oral capsule, extended release; oral liquid; oral suspension, extended release; oral syrup; oral tablet; oral tablet, chewable; oral tablet, chewable, extended release; oral tablet, extended release

Nervous system

Nervous system side effects of phenylephrine have included headache, dizziness, nervousness, restlessness, tremor, insomnia, convulsions, and central nervous system depression. Antihistamines such as chlorpheniramine and anticholinergics such as methscopolamine may cause drowsiness and dizziness.

Cardiovascular

Cardiovascular side effects of phenylephrine have included palpitations, arrhythmias, and cardiovascular collapse with hypotension.

Psychiatric

Psychiatric side effects of phenylephrine have included hallucinations, fear, and anxiety.

Gastrointestinal

Gastrointestinal side effects of phenylephrine have included nausea. Antihistamines such as chlorpheniramine and anticholinergics such as methscopolamine may cause excessive dryness of the nose, throat, and mouth.

Respiratory

Respiratory side effects of phenylephrine have included respiratory difficulty.

Genitourinary

Genitourinary side effects of phenylephrine have included dysuria.

General

General side effects of phenylephrine have included pallor and weakness.

Ocular

Ocular side effects including blurred vision may be caused by antihistamines such as chlorpheniramine and anticholinergics such as methscopolamine.

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 information does not endorse drugs, diagnose patients, or recommend therapy. This drug 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 drug combination in no way should be construed to indicate that the drug of drug combination is safe, effective, or appropriate for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of information 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 drugs you are taking, check with your doctor, nurse, or pharmacist.