Dallergy Side Effects

Please note - some side effects for Dallergy may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Dallergy - for the Consumer

Dallergy

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 Dallergy:

Blurred vision; clumsiness; constipation; dizziness; drowsiness; dry mouth, nose, or throat; excitability or irritability (especially in children); flushing; giddiness; headache; lack of energy; nausea; nervousness; tearing; trouble sleeping; unusual tiredness or weakness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty swallowing; mental or mood changes; pounding in the chest; unusual bleeding or bruising; urinary retention; vomiting.

Dallergy Sustained-Release and Long-Acting 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 Dallergy Sustained-Release and Long-Acting Tablets:

Blurred vision; clumsiness; constipation; dizziness; drowsiness; dry mouth, nose, or throat; excitability or irritability (especially in children); flushing; giddiness; headache; lack of energy; nausea; nervousness; tearing; trouble sleeping; unusual tiredness or weakness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; difficulty swallowing; fast or irregular heartbeat; hallucinations; mental or mood changes; pounding in the chest; sore throat with fever; trouble urinating; unusual bleeding or bruising; vomiting.

Dallergy JR Sustained-Release Capsules

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 Dallergy JR Sustained-Release Capsules:

Constipation; diarrhea; dizziness; drowsiness; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor; vision changes.

Dallergy-JR Sustained-Release Capsules

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 Dallergy-JR Sustained-Release Capsules:

Constipation; diarrhea; dizziness; drowsiness; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor; vision changes.

Dallergy Syrup

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 Dallergy Syrup:

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

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, 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.

Side Effects by Body System

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.

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