H2 antihistamines interfere with the action of histamine at the H2 receptor in the parietal (stomach) cells. This helps mostly with symptoms affecting the GI tract, such as abdominal pain, nausea, and diarrhea.
For some sufferers of Cold Urticaria, combining an H1 and H2 antagonists provides increased support against histamine reactions.
|Cimetidine Brand Name: Tagamet|
|Famotidine Brand Name: Pepcid|
|Lafutidine Brand Name: Protecadin|
|Nizatidine Brand Name: Axid|
|Ranitidine Brand Name: Zantac|
|Roxatidine Brand Name: Zorprex|