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2. Propranolol - Wikipedia

   en.wikipedia.org/wiki/Propranolol

   Common side effects include nausea, abdominal pain, and constipation. [2] It may worsen the symptoms of asthma. [2] Propranolol may cause harmful effects for the baby if taken during pregnancy; [6] however, its use during breastfeeding is generally considered to be safe. [7] It is a non-selective beta blocker which works by blocking β ...

3. Beta blocker - Wikipedia

   en.wikipedia.org/wiki/Beta_blocker

   Beta blockers can have a constricting effect on the bronchi of the lungs, possibly worsening or causing asthma symptoms. [70] Since β 2 adrenergic receptors can cause vascular smooth muscle dilation, beta blockers may cause some

4. Asthma - Wikipedia

   en.wikipedia.org/wiki/Asthma

   Depending on the person, asthma symptoms may become worse at night or with exercise. [4] Asthma is thought to be caused by a combination of genetic and environmental factors. [3] Environmental factors include exposure to air pollution and allergens. [4] Other potential triggers include medications such as aspirin and beta blockers. [4]

5. Adrenergic neuron blockers - Wikipedia

   en.wikipedia.org/wiki/Adrenergic_neuron_blockers

   Adrenergic neuron blockers. Adrenergic neurone blockers, commonly known as adrenergic antagonists, are a group of drugs that inhibit the sympathetic nervous system by blocking the activity of adrenergic neurones. They prevent the action or release of catecholamines such as norepinephrine and epinephrine. They are located throughout the body ...

6. Adrenergic blocking agent - Wikipedia

   en.wikipedia.org/wiki/Adrenergic_blocking_agent

   Adrenergic blocking agent. Adrenergic blocking agents are a class of drugs that exhibit its pharmacological action through inhibiting the action of the sympathetic nervous system [1] in the body. The sympathetic nervous system (SNS) is an autonomic nervous system that we cannot control by will. It triggers a series of responses after the body ...

7. Asthma trigger - Wikipedia

   en.wikipedia.org/wiki/Asthma_trigger

   An asthma attack is usually mediated by an inflammatory pathway, where a trigger such as an allergen could lead to a series of immune response mediated by various types of immune cells. [3] Common triggers for asthma include allergens like pet dander, dust mites, pollens and molds. Other types of triggers like exercise, air pollutants, tobacco ...