antihistamine. Antihistaminic Pharmacology An agent that counteracts the effects of histamine released during allergic reactions by blocking histamineâH 1 receptors Adverse effects Dry mouth, drowsiness, urine retention in â, tachycardia.hile the term antihistamine can broadly include any agent that blocks any histamine receptor, in practice it is usually used to denote those blocking the H 1 type of receptors (H1 receptor antagonists), those involved in allergic reactions.
While all of these Military service branches are uniformed, have. weapons, ranks and other such details that are. similar, the specific missions and focus of. each service is quite different. The US Army is charged as the primary land. combat force.
The 10th Special Forces Group (Airborne) is an active duty United States Army Special Forces (SF) Group. The 10th Special Forces Group is responsible for operations within the EUCOM area of responsibility, as part of the Special Operations Command, Europe . 10th Group has also been involved in parts of Africa and the Middle East.