Side effects of non sedating antihistamines Free live tube an chat for free no sighn up free
These include (least to most sedate) fexofenadine (allegra), Cetirizine (zyrtec), loratidine (claritin). Read more See 2 more doctor answers Antihistamine has minimal effect on vomiting although Phenergan (promethazine) may provide mild benefits. You need to find out what may be causing your vomiting first. Essentially interfering with the release of histamine as well as other inflammatory mediators from the mast cell. Read more Any medication can produce non-typical effects on some of the population that is not seen in others.
Claritin (loratadine) does not seem to cross into the brain in most people, allowing for a lack of sedation for most.
If your dog has an allergic reaction, visit your veterinarian for advice and medication. It can be given to a dog of any breed, but it should be used according to prescription and in proper dosage.
For you, the medication likely reaches your brain and causes stimulation. Read more is probably the most readily available sedating antihistamine.
Once the allergens are inside, they disturb the immune system by adhering to certain tissue mast cells in the skin.
This may results in the release of chemicals, including histamine.
The number of people who feel drowsy on Claritin is so low that it is labeled "non-drowsy". I have plenty of patients who feel drowsy on claritin, especially petite women. Read more See 1 more doctor answer Antihistamines can cause sedation by entering the brain's tissue and binding to h1 receptors.
(called "crossing the blood brain barrier".) that effect is desirable if you are taking an antihistamine for sleep (e.g. The newer antihistamines don't cross the blood brain barrier as much. It is a nasal topical formulation of cromolyn, which is a mast-cell stabilizer.