Pseudoephedrine sulfate, one of the naturally occurring alkaloids of the and an orally administered vasoconstrictor, produces a gradual but sustained decongestant effect facilitating shrinkage of congested mucosa in upper respiratory areas.
The mucuos membrane of the respiratory tract is decongested through the action of the sympathetic nerves.
Histamine is a chemical that is responsible for many of the signs and symptoms of allergic reactions, for example, swelling of the lining of the nose, sneezing, and itchy eyes.
Histamine is released from histamine-storing cells (mast cells) and then attaches to other cells that have receptors for histamine.
The reason we get seasick is because we’re getting different information going to our brain, and our brain doesn’t know what to do. One is visually: from looking out a window I can see that I’m moving.
Two is [that] my inner ears with the semicircular canals tell us that we’re moving, and it’s sending signals to the brain.
It is similar to the other second generation antihistamines loratadine (Claritin), fexofenadine (Allegra) and azelastine (Astelin).Inactive ingredients : acacia, calcium sulfate, carnauba wax, gum rosin, microcrystalline cellulose, oleic acid, medicinal soap, sucrose, talc, titanium dioxide, white wax, zein, lactose anhydrous, corn starch, povidone, magnesium stearate and purified water.ACTION : Loratadine is a potent long-acting tricyclic antihistamine with selective peripheral H1-receptor antagonistic activity.Drugs that cause drowsiness may add to drowsiness resulting from cetirizine.Learn about allergy symptoms, allergy medicine, gluten allergy, food allergies, seasonal allergies, seasonal allergies, home remedies for allergies, and how to get rid of allergies.DOSAGE AND ADMINISTRATION : Adults and Children 12 years of age and over : One CLARINASE REPETABS Tablet twice a day.