Agent nonsedating antihistamine Foreign cams xxx
In severe allergies, such as anaphylaxis or angioedema, these effects may be of life-threatening severity.
Additional administration of epinephrine, often in the form of an autoinjector (Epi-pen), is required by people with such hypersensitivities.
The goal of pharmacological therapy is to prevent motion sickness, or relieve the symptoms of motion sickness, such as nausea.
Scopolamine, an anticholinergic, is used for the prevention of motion sickness and for acute treatment.
It should be placed behind the ear on the mastoid on a clean, hairless area.
Many antihistamines are also commonly taken for motion sickness.
They are available over the counter and can be used for pediatrics at the recommended doses.
Common adverse effects can include dry mouth/nose/throat, drowsiness, loss of visual accommodation, and sensitivity to bright light.
This sedating activity is sometimes used in managing conditions such as eczema where sleep maybe disturbed due to pruritus.
Sedating antihistamines also have significant antimuscarinic activity and should be used with caution in patients with prostatic hypertrophy, urinary retention and angle-closure glaucoma.
However, high doses can still induce drowsiness through acting on the central nervous system.
Antihistamines are a class of agents that block histamine release from histamine-1 receptors and are used to treat the symptoms of an allergic reaction, such as edema (swelling), itch, inflammation (redness), sneezing, or a runny nose or watery eyes.