- swelling
- itchiness
- hives
- rashes
- anxiety disorders
- tension in stressful situations
- When histamines bind to H1 receptors, it causes blood vessels to dilate, and fluid begins to leak out, causing swelling and itchiness.
- Hydroxyzine pamoate prevents histamines from binding to receptors.
- 5 mg
- 50 mg
- glaucoma
- lung disease
- heart disease
- liver disease
- kidney disease
- high blood pressure
- prostate enlargement
- chlorpheniramine
- celmastine
- meperidine
- phenobarbital
- acepromazine
- amitriptyline
- fluoxetine
- any other prescription and non-prescription medications
- extreme drowsiness
- nausea
- seizures
- hives
- breathing difficulty
- facial swelling