Core sedating antihistamine product information top dating websites for 20s
Due to its sedative properties, use of hydroxyzine should be avoided in severe liver disease due to an increased risk of coma, and in patients with hepatic failure due to possibility of hepatic encephalopathy.
Hydroxyzine elimination is impaired in patients with hepatic dysfunction secondary to primary biliary cirrhosis.
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Concomitant use of hydroxyzine with alcohol or other CNS depressants should be avoided as this may aggravate these effects (see section 4.5 'Interaction with other medicinal products and other forms of interaction).
The most common adverse effect of the sedating antihistamines is CNS depression.
Common features include excessive sedation, nausea, vomiting, flushing, dilated pupils, dry mouth and tongue, hot dry skin, fever, sinus tachycardia, hypertension, ataxia, nystagmus, delirium, agitation, psychosis and visual hallucinations.
Uncommon systemic features include myoclonic jerking, muscle rigidity, coma, convulsions, cardiac conduction abnormalities, QT prolongation and arrhythmias, cardiovascular collapse, paralytic ileus, urinary retention, hyperkalaemia, metabolic acidosis and rhabdomyolysis.
In the elderly, the maximum daily dose is 50 mg per day (see section 4.4). This is due to a possible increase in the volume of distribution, prolonged action and the possible effect of age-related changes on pharmacologic functions, including hepatic metabolism and renal excretion (see Section 5.2 'Pharmacokinetic properties') • patients who have shown previous hypersensitivity to hydroxyzine hydrochloride, cetirizine, other piperazine derivatives, aminophylline or ethylenediamine, or any of the excipients of Atarax (for a full list of excipients see section 6.1 'List of excipients')• Patients with a known risk factor to QT interval prolongation including a known cardiovascular disease, significant electrolytes imbalance (hypokalaemia, hypomagnesaemia), family history of sudden cardiac death, significant bradycardia, concomitant use with drugs known to prolong the QT interval and/or induce Torsade de Pointes (see sections 4.4 and 4.5).