Trospium chloride is a muscarinic antagonist

Muscarinic antagonist

In neurochemistry, a muscarinic receptor antagonist is an agent that reduces the activity of the muscarinic acetylcholine receptor. Acetylcholine is a neurotransmitter, whose receptor is a protein found in synapses and other cell membranes...

 urinary antispasmodic

Antispasmodic

An antispasmodic is a drug or a herb that suppresses muscle spasms.-Smooth muscle spasm:One type of antispasmodics is used for smooth muscle contraction, especially in tubular organs of the gastrointestinal tract...

. It has been developed and patented by Robert Pfleger (Germany) and is sold under the brand name Sanctura in the US, Tropez OD in India,Trosec in Canada, Regurin and Flotros in the United Kingdom and Spasmex in Germany, Russia, Turkey, Argentina, Chile and Israel. The drug is used for the treatment of Overactive Bladder.

It is available in Egypt under the brand name Trospikan by Hikma pharma.