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Propranolol flash

Propranolol flash

Propranolol is a competitive β receptor antagonist and remains the prototype to which other β antagonists are compared. Propranolol is a nonselective β adrenergic receptor antagonist with equal afinity for β1 and β2 adrenergic receptors.

Posted by Dan

Mechanism of action of Second-generation antipsychotics

Mechanism of action of Second-generation antipsychotics

Second-generation antipsychotics, or “atypical antipsychotics,” include newer nonphenothiazine drugs. They are also considered first choice therapy for schizophrenia because they have a more favorable side effect profile, producing fewer extrapyramidal movement disorders

Posted by Dan

Mechanism of action of typical antipsychotics

Mechanism of action of typical antipsychotics

First-generation antipsychotics, or “typical antipsychotics,” include the phenothiazines and older nonphenothiazines such as haloperidol and thiothixene

Posted by Dan

First-generation antipsychotic drugs

First-generation antipsychotic drugs

The mechanism of action of first-generation antipsychotic drugs is blockade of D2 receptors

Posted by Dan

Therapeutic uses of adrenergics

Therapeutic uses of adrenergics

The therapeutic uses of adrenergics—catecholamines as well as noncatecholamines—depend on which receptors they stimulate and to what degree. Adrenergic drugs can affect:

• alpha-adrenergic receptors

• beta-adrenergic receptors

• dopamine receptors

Posted by Dan

Adrenergic drugs

Adrenergic drugs

Adrenergic drugs are also called sympathomimetic drugs because they produce effects similar to those produced by the sympathetic nervous system

Posted by Dan