For ingestion, a single dose for adults ranges from 25 mg to 100 mg; the frequency of administration, depending on the readings, is 1-4 times per day.
To quickly achieve a therapeutic effect of hydroxysine solution is administered deep in / m in a dose of 50-100 mg, then can be administered at intervals of 4-6 hours.
CNS and peripheral nervous system: drowsiness, increased fatigue, tremor, seizures, headache, dizziness, ataxia, weakness.
From the visual organ: acute glaucoma, disturbance of accommodation.
Urinary system: acute urinary retention hydroxyzine.
Cardiovascular system: tachycardia, decreased BP.
Digestive system: dry mouth, constipation, increased transaminase activity.
Other: bronchospasm, allergic reactions, increased sweating.
When used simultaneously, hydroxysine enhances the effects of analgesics, anxiolytics, barbiturates, ethanol.
Use with caution in patients hydroxyzine dosage with renal failure, myasthenia, difficulty urinating, constipation, dementia, seizure tendencies, arrhythmias or antiarrhythmia, liver and/or kidney dysfunction.
Tissue damage is possible with p/k hydroxysine injection, hemolysis is possible with p/k injection.
If it is necessary to perform allergic tests, hydroxysin should be stopped 5 days before the study.
Influence on the ability to drive vehicles and mechanisms
During therapy, it is https://reference.medscape.com/drug/atarax-vistaril-hydroxyzine-343395 necessary to refrain from engaging in potentially dangerous activities that require increased attention and rapid psychomotor reactions.
Pregnancy and lactation
Hydroxysine is contraindicated for use in pregnancy, during childbirth and during breastfeeding https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/011459s050,011795s027lbl.pdf.Use in childhood
Use in children under 3 years of age is contraindicated.