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These are quick-relief or "rescue" medications that provide quick, temporary relief from asthma symptoms or flare-ups. These medications usually take effect within 20 minutes or less, and can last from four to six hours. These inhaled medications are best for treating sudden and severe or new asthma symptoms.
An inhaler (puffer, asthma pump or allergy spray) is a medical device used for delivering medicines into the lungs through the work of a person's breathing. This allows medicines to be delivered to and absorbed in the lungs, which provides the ability for targeted medical treatment to this specific region of the body, as well as a reduction in the side effects of oral medications.
Salbutamol is typically used to treat bronchospasm (due to any cause—allergic asthma or exercise-induced), as well as chronic obstructive pulmonary disease. [8] It is also one of the most common medicines used in rescue inhalers (short-term bronchodilators to alleviate asthma attacks).
Patients, said Conroy of Ohio State, often require a rescue inhaler for quick relief, as well as a long-acting or maintenance inhaler to prevent symptoms.
Prior to the introduction of rescue inhalers in the mid-1950s this was an over-the-counter remedy for asthma attacks. Asthmador was sold in packets like cigarettes, in tins like pipe tobacco, or as an incense. The paroxysms would abate within a few minutes of inhaling the mixture. [1] [2]
Pulmonary drug delivery is a route of administration in which patients use an inhaler to inhale their medications and drugs are absorbed into the bloodstream via the lung mucous membrane. This technique is most commonly used in the treatment of lung diseases, for example, asthma and chronic obstructive pulmonary disease (COPD) .
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