Active Ingredient History

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Pheniramine is an antihistamine used to treat allergic conditions such as hay fever or urticaria. It is generally sold in combination with other medications, rather than as a stand-alone drug. Allergies are caused by an excessive type 1 hypersensitivity response of the body to allergens, mediated by inappropriate histamine signalling. By inhibiting the binding of histamine, antihistamines decrease the normal histamine response from cells, consequently decreasing allergic symptoms. Antihistamines such as pheniramine appear to compete with histamine for histamine H1- receptor sites on effector cells. The antihistamines antagonize those pharmacological effects of histamine which are mediated through activation of H1- receptor sites and thereby reduce the intensity of allergic reactions and tissue injury response involving histamine release. Antihistamines suppress the histamine-induced wheal (swelling) and flare (vasodilation) response by blocking the binding of histamine to its receptors on nerves, vascular smooth muscle, glandular cells, endothelium, and mast cells. They effectively exert competitive antagonism of histamine for H1-receptors. Pheniramine is marketed under the trade name Avil and Visine-A among others).   NCATS

  • SMILES: CN(C)CCC(c1ccccc1)c2ccccn2
  • InChIKey: IJHNSHDBIRRJRN-UHFFFAOYSA-N
  • Mol. Mass: 240.35
  • ALogP: 3.17
  • ChEMBL Molecules:
More Chemistry
  • Mechanism of Action:
  • Multi-specific: Missing data
  • Black Box: No
  • Availability: Over the Counter
  • Delivery Methods: Topical
  • Pro Drug: No

Combination drugs

( pheniramine (Tripoton), naphazoline (visine) - other names: naphcon-a, visine )
avil ret | daneral-sa | feniramina | pheniramine | pheniramine maleate | pheniraminum | propheniramine | prophenpyridamine | pyriton | trimeton | tripoton

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