Naphazoline

Naphazoline

Naphazoline is a sympathomimetic agent (a type of drug) that primarily acts as an alpha-adrenergic receptor agonist. It is commonly used as a topical decongestant to relieve redness and swelling in the eyes (as in eye drops) or nasal congestion (as in nasal sprays). Chemical Formula: C14H14N2 Basic Structural Features: Imidazoline derivative, similar in core … Read more

Bitolterol

Bitolterol

Bitolterol is a synthetic beta-2 adrenergic agonist used as a bronchodilator to treat reversible obstructive airway conditions such as asthma and chronic obstructive pulmonary disease (COPD). It is typically administered via inhalation and works by relaxing the smooth muscles in the airways, leading to bronchodilation and improved airflow. Chemical Structure & Formula Chemical Formula: C₂₁H₂₉NO₄ … Read more

Salbutamol (Albuterol)

Salbutamol (Albuterol)

Salbutamol (also known as Albuterol) is a short-acting β₂-adrenergic receptor agonist (SABA) used primarily as a bronchodilator to relieve symptoms of asthma, chronic obstructive pulmonary disease (COPD). It works by relaxing the smooth muscles in the airways, leading to bronchial dilation and easier breathing. Chemical Structure & Formula Chemical Formula: C₁₃H₂₁NO₃ Structure: Mechanism of Action … Read more

Terbutaline

Terbutaline

Terbutaline is a medication that belongs to the class of drugs known as beta-2 adrenergic agonists. It is primarily used as a bronchodilator to treat or prevent bronchospasm in conditions such as asthma, chronic bronchitis, and chronic obstructive pulmonary disease (COPD). Chemical Structure & Formula Chemical Formula: C₁₂H₁₉NO₃ Structure: Mechanism of Action (Detailed) Terbutaline is … Read more

Isoproterenol (Isoprenaline)

Isoproterenol (Isoprenaline)

Isoproterenol (also known as Isoprenaline) is a synthetic non-selective beta-adrenergic agonist used primarily as a bronchodilator and cardiac stimulant. It mimics the effects of the sympathetic nervous system by stimulating β1 and β2 adrenergic receptors, leading to increased heart rate (positive chronotropic effect). Chemical Structure & Formula Chemical Formula: C₁₁H₁₇NO₃ Structure: Mechanism of Action (Detailed) … Read more

Dobutamine

Dobutamine

Dobutamine is a synthetic catecholamine, and a beta-1 adrenergic receptor agonist used primarily as a cardiac stimulant. It increases heart rate and the force of heart contractions, thereby improving cardiac output. Clinically, dobutamine is commonly used in the treatment of acute heart failure, cardiogenic shock, and during cardiac stress testing when a patient cannot exercise. … Read more

Clonidine

Clonidine

Clonidine is a medication primarily used to treat high blood pressure (hypertension). It belongs to a class of drugs known as centrally acting alpha-2 adrenergic agonists. Clonidine works by stimulating alpha-2 receptors in the brain, which reduces sympathetic outflow from the central nervous system. Chemical Structure & Formula Chemical Formula: C₉H₉Cl₂N₃ Structure: Mechanism of Action … Read more

Methyldopa

Methyldopa

Methyldopa is an antihypertensive medication primarily used to treat high blood pressure (hypertension), especially during pregnancy. It is a centrally acting alpha-2 adrenergic agonist that works by stimulating receptors in the brain to reduce sympathetic nerve signals, leading to a decrease in blood vessel constriction and heart rate, thereby lowering blood pressure. Chemical Structure & … Read more

Dopamine

Dopamine

Dopamine is a chemical messenger, or neurotransmitter, produced in the brain that plays a key role in regulating mood, motivation, reward, attention, and movement. It helps transmit signals between nerve cells and is involved in both physical and emotional responses. Chemical Structure & Formula Chemical Formula: C₈H₁₁NO₂ Structure: Mechanism of Action (Detailed) Dopamine acts on … Read more

Phenylephrine (SAR & Synthesis Included)

Phenylephrine (SAR & Synthesis Included)

Phenylephrine is a selective α<sub>1</sub>-adrenergic receptor agonist commonly used as a decongestant, vasopressor, and mydriatic agent. It works by stimulating α<sub>1</sub>-receptors, leading to vasoconstriction, which reduces nasal congestion and increases blood pressure. Chemical Structure & Formula Chemical Formula: C₉H₁₃NO₂ Structure: Mechanism of Action (Detailed) Selective α1 agonist → Causes vasoconstriction. Increases blood pressure without affecting … Read more