Desloratadine Side Effects

Brand Names: Clarinex Reditabs, Clarinex

Please note - some side effects for Desloratadine 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 Desloratadine - for the Consumer

Desloratadine

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 Desloratadine:

Dizziness; muscle pain; nausea; sore throat; tiredness; upset stomach.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine; fast or irregular heartbeat; pale stools; seizures; yellowing of the skin or eyes.

Desloratadine Disintegrating 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 Desloratadine Disintegrating Tablets:

Dizziness; muscle pain; nausea; sore throat; tiredness; upset stomach.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine; fast or irregular heartbeat; pale stools; seizures; yellowing of the skin or eyes.

Desloratadine/Pseudoephedrine Sustained-Release 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 Desloratadine/Pseudoephedrine Sustained-Release Tablets:

Coughing; dizziness; drowsiness; dry mouth; excitability; fatigue; headache; loss of appetite; mild stomach upset; nausea; nervousness; sleeplessness; sore throat; thirst.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; difficulty urinating; fast/irregular heartbeat; mental/mood changes; seizures; severe dizziness; uncontrolled shaking or tremor.

Desloratadine 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 Desloratadine Syrup:

Cough; diarrhea; dizziness; increased or decreased appetite; mood changes; nausea; nosebleed; sore throat; trouble sleeping; vomiting.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine; ear pain or discharge; fast or irregular heartbeat; fever; pale stools; seizures; severe or persistent cough; severe or persistent nosebleed; yellowing of the skin or eyes.

Side Effects by Body System

Cardiovascular

Cardiovascular side effects of spontaneous nature reported during the marketing of desloratadine have included tachycardia and palpitations.

Hypersensitivity

Hypersensitivity side effects of spontaneous nature reported during the marketing of desloratadine have included rash, pruritus, urticaria, edema, dyspnea, and anaphylaxis.

Hepatic

Hepatic side effects have included elevated liver enzymes and bilirubin. Very rarely, hepatitis has been observed in clinical practice.

Gastrointestinal

Gastrointestinal side effects have included dry mouth, dry throat, nausea, and pharyngitis.

Nervous system

Nervous system side effects have included somnolence and dizziness. Psychomotor hyperactivity and seizures have been observed in clinical practice.

An increase in the incidence of somnolence has been reported in clinical trials (n=1838) at doses of 10 mg/day and 20 mg/day (5.2% and 7.6%, respectively), compared to placebo (2.3%).

General

General side effects have included myalgia and influenza-like symptoms.

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