Sympathomimetic drug

Sympathomimetic drugs are a class of medications that stimulate the sympathetic nervous system. They are used to treat a variety of conditions, including asthma, cardiac arrest, and low blood pressure.

Mechanism of Action[edit | edit source]

Sympathomimetic drugs work by mimicking the actions of the neurotransmitters epinephrine and norepinephrine. These neurotransmitters are responsible for the body's "fight or flight" response, which includes increased heart rate, blood pressure, and blood glucose levels.

Types of Sympathomimetic Drugs[edit | edit source]

There are several types of sympathomimetic drugs, including:

Amphetamines: These drugs stimulate the release of norepinephrine and dopamine in the brain. They are used to treat conditions like ADHD and narcolepsy.
Ephedrine: This drug increases the release of norepinephrine in the body. It is used to treat low blood pressure and asthma.
Dopamine: This drug stimulates the release of norepinephrine and dopamine in the body. It is used to treat conditions like Parkinson's disease and shock.

Side Effects[edit | edit source]

Like all medications, sympathomimetic drugs can have side effects. These can include:

Increased heart rate
High blood pressure
Anxiety
Insomnia
Tremors

Contraindications[edit | edit source]

Sympathomimetic drugs should not be used by people with certain medical conditions, including:

See Also[edit | edit source]

Sympathomimetic drug Resources
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