Can the antihistamine zyrtec cause drowsiness
Can the antihistamine zyrtec cause drowsiness
Can the antihistamine zyrtec cause drowsiness
Side Effects of Zyrtec - for the Consumer
Zyrtec
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 Zyrtec:
Drowsiness; dry mouth; stomach pain (in children); tiredness; trouble sleeping (in children).
Seek medical attention right away if any of these SEVERE side effects occur when using Zyrtec:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); dark urine; fainting; fast or irregular heartbeat; mental or mood changes; persistent fatigue; seizures; severe dizziness; unusual bruising or bleeding; yellowing of eyes or skin.
Zyrtec-D 12 Hour
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 Zyrtec-D 12 Hour:
Dizziness; drowsiness; dry mouth; fatigue; headache; nausea; nervousness; sore throat; trouble sleeping.
Seek medical attention right away if any of these SEVERE side effects occur when using Zyrtec-D 12 Hour:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine; difficulty urinating; mental or mood changes; persistent tiredness; seizures; sleeplessness; uncontrolled shaking or tremor; unusually fast/irregular heart rhythm; weakness; yellowing of the eyes or skin.
Can the antihistamine zyrtec cause drowsiness
Zyrtec Chewable 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 Zyrtec Chewable Tablets:
Drowsiness; dry mouth; stomach pain (in children); tiredness; trouble sleeping (in children).
Seek medical attention right away if any of these SEVERE side effects occur when using Zyrtec Chewable Tablets:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); dark urine; fainting; fast or irregular heartbeat; mental or mood changes; persistent fatigue; seizures; severe dizziness; unusual bruising or bleeding; yellowing of eyes or skin.
Zyrtec 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 Zyrtec Syrup:
Drowsiness; dry mouth; stomach pain (in children); tiredness; trouble sleeping (in children).
Seek medical attention right away if any of these SEVERE side effects occur when using Zyrtec Syrup:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); dark urine; fainting; fast or irregular heartbeat; mental or mood changes; persistent fatigue; seizures; severe dizziness; unusual bruising or bleeding; yellowing of eyes or skin.
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Side Effects by Body System
Nervous system
Nervous system side effects have included headache (16%), fatigue (5.6%), and somnolence (5% to 20%). Somnolence tends to be dose-related and generally occurs more frequently with doses higher than 10 mg per day. Other nervous system side effects include dizziness (1.8%), insomnia (1.5%), and nervousness (1.1%). Post marketing reports have included aggression reaction and convulsions.
Cetirizine appears to be more sedating than loratadine.
Gastrointestinal
Gastrointestinal side effects have included dry mouth (5.7%) and nausea or vomiting (2.2%). Pharyngitis, dyspepsia, and increased appetite have occasionally been reported.
Hepatic
Hepatic side effects have included rare liver function test abnormalities which resolved spontaneously following discontinuation of cetirizine therapy. At least one case of recurrent acute hepatitis has also been associated with cetirizine use.
Respiratory
Respiratory side effects have included relatively rare reports of wheezing, coughing, bronchitis, sinusitis, and asthma.
Dermatologic
Dermatologic side effects have included reports of maculopapular and urticarial eruptions. Fixed drug eruptions have also been associated with cetirizine.
General
General side effects have included epistaxis (1.1%) and accidental injury (1.1%).
Hypersensitivity
Hypersensitivity side effects have included a case report of an anaphylactic reaction.
Can the antihistamine zyrtec cause drowsiness
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