Spiriva is commonly prescribed to treat airway spasms caused by chronic obstructive pulmonary disease. It causes the smooth muscles of the airways to relax, which helps keep them open and prevent bronchospasms. Spiriva comes in capsule form, but the powder the capsule contains is inhaled using a special device. Possible side effects include upper respiratory infection and sinus infection.
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Spiriva® (tiotropium bromide) is a prescription medication used to prevent airway spasms (called bronchospasms) caused by chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema.
Spiriva is made jointly by Boehringer Ingelheim Pharmaceuticals and Pfizer, Inc.
Spiriva belongs to a group of medications known as anticholinergics or antimuscarinics. By binding to specific receptors, called muscarinic receptors, in the airway, Spiriva helps to relax the smooth muscle. With just one dose a day, the drug helps to prevent bronchospasms, which helps to keep the airways open.
Spiriva was studied in the treatment of chronic obstructive pulmonary disease (COPD). People taking the drug showed improved lung function, compared to those not taking it. In addition, these studies showed that the effects of each dose lasted for a full day, and people who took Spiriva were less likely to need "rescue" inhalers (such as albuterol).