DDInter1013 DDInter1476
Labetalol is a racemic mixture of 2 diastereoisomers where dilevalol, the R,R' stereoisomer, makes up 25% of the mixture. Labetalol is formulated as an injection or tablets to treat hypertension.[L7727,L7730] Labetalol was granted FDA approval on 1 August 1984.
Pirbuterol is a beta-2 adrenergic bronchodilator. In vitro studies and in vivo pharmacologic studies have demonstrated that pirbuterol has a preferential effect on beta-2 Adrenergic receptors compared with isoproterenol. While it is recognized that beta-2 adrenergic receptors are the predominant receptors in bronchial smooth muscle, data indicate that there is a population of beta-2 receptors in the human heart, existing in a concentration between 10-50%. The precise function of these receptors has not been established. The pharmacologic effects of beta adrenergic agonist drugs, including pirbuterol, are at least in proof attributable to stimulation through beta adrenergic receptors of intracellular adenyl cyclase, the enzyme which catalyzes the conversion of adenosine triphosphate (AlP) to cyclic-3† ,5†-adenosine monophosphate (c-AMP). Increased c-AMP levels are associated with relaxation of bronchial smooth muscle and inhibition of release of mediators of immediate hypersensitivity from cells, especially from mast cells.
Labetalol {u} may lead to a major life threatening interaction when taken with {v} Salbutamol
Salbutamol {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} (Compound) binds {v} (Gene) ADRB1
ADRB1 {u} (Gene) is bound by {v} (Compound) Pirbuterol
Labetalol {u} (Compound) causes {v} (Side Effect) Dizziness
Dizziness {u} (Side Effect) is caused by {v} (Compound) Pirbuterol
Labetalol {u} may lead to a major life threatening interaction when taken with {v} Salbutamol
Salbutamol {u} (Compound) resembles {v} (Compound) Bupranolol
Bupranolol {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} may lead to a major life threatening interaction when taken with {v} Epinephrine
Epinephrine {u} (Compound) resembles {v} (Compound) Terbutaline
Terbutaline {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} (Compound) binds {v} (Gene) ADRB1
ADRB1 {u} (Gene) is bound by {v} (Compound) Bupranolol
Bupranolol {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} (Compound) causes {v} (Side Effect) Dizziness
Dizziness {u} (Side Effect) is caused by {v} (Compound) Terbutaline
Terbutaline {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} (Compound) causes {v} (Side Effect) Gastrointestinal pain
Gastrointestinal pain {u} (Side Effect) is caused by {v} (Compound) Salbutamol
Salbutamol {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} may lead to a major life threatening interaction when taken with {v} Epinephrine
Epinephrine {u} may cause a moderate interaction that could exacerbate diseases when taken with {v} Salbutamol
Salbutamol {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol {u} (Compound) binds {v} (Gene) ADRB2
ADRB2 {u} (Gene) is bound by {v} (Compound) Terbutaline
Terbutaline {u} (Compound) resembles {v} (Compound) Pirbuterol
Labetalol may lead to a major life threatening interaction when taken with Salbutamol and Salbutamol (Compound) resembles Pirbuterol (Compound)
Labetalol (Compound) binds ADRB1 (Gene) and ADRB1 (Gene) is bound by Pirbuterol (Compound)
Labetalol (Compound) causes Dizziness (Side Effect) and Dizziness (Side Effect) is caused by Pirbuterol (Compound)
Labetalol may lead to a major life threatening interaction when taken with Salbutamol and Salbutamol (Compound) resembles Bupranolol (Compound) and Bupranolol (Compound) resembles Pirbuterol (Compound)
Labetalol may lead to a major life threatening interaction when taken with Epinephrine and Epinephrine (Compound) resembles Terbutaline (Compound) and Terbutaline (Compound) resembles Pirbuterol (Compound)
Labetalol (Compound) binds ADRB1 (Gene) and ADRB1 (Gene) is bound by Bupranolol (Compound) and Bupranolol (Compound) resembles Pirbuterol (Compound)
Labetalol (Compound) causes Dizziness (Side Effect) and Dizziness (Side Effect) is caused by Terbutaline (Compound) and Terbutaline (Compound) resembles Pirbuterol (Compound)
Labetalol (Compound) causes Gastrointestinal pain (Side Effect) and Gastrointestinal pain (Side Effect) is caused by Salbutamol (Compound) and Salbutamol (Compound) resembles Pirbuterol (Compound)
Labetalol may lead to a major life threatening interaction when taken with Epinephrine and Epinephrine may cause a moderate interaction that could exacerbate diseases when taken with Salbutamol and Salbutamol (Compound) resembles Pirbuterol (Compound)
Labetalol (Compound) binds ADRB2 (Gene) and ADRB2 (Gene) is bound by Terbutaline (Compound) and Terbutaline (Compound) resembles Pirbuterol (Compound)