Tag Archives | Drugs

Classification of Vasodilators | Drug | Animals | Pharmacology

After reading this article you will learn about the classification of vasodilators. Classification: 1. Organic nitrates: (i) Nitroglycerin (glyceryl trinitrate) (ii) Amyl nitrite (iii) Isosorbide di-nitrate (iv) Erythrityl tetra nitrate (v) Pentaerythritol tetra nitrate 2. Arterial Vasodilators: (i) Hydralazine (ii) Minoxidil (iii) Diazoxide 3. Arterial and venous vasodilators: (i) Sod. nitroprusside (ii) Prazosin (iii) Terazosin (iv) Doxazosin Nitrates: Nitrates relax [...]

By |2017-03-04T09:34:37+00:00March 4, 2017|Veterinary Pharmacology|Comments Off on Classification of Vasodilators | Drug | Animals | Pharmacology
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Factors Decreasing the Bioavailability of Drugs | Toxicology

This article throws light upon the three main factors decreasing the bioavailability of drugs. The factors are: 1. Inactivation 2. First Pass Effect 3. Enterohepatic Recycling. Factor # 1. Inactivation: Inactivation by gastric acid enzymes, bacterial flora. Factor # 2. First Pass Effect: Drug absorbed distal to the oral cavity and proximal to the rectum enters the portal circulation and [...]

By |2017-03-04T09:34:23+00:00March 4, 2017|Toxicology|Comments Off on Factors Decreasing the Bioavailability of Drugs | Toxicology
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Formulations of Drugs for Oral Use |Toxicology

This article throws light upon the six main formulations of drugs for oral use. They are: 1. Powders 2. Pills 3. Tablets 4. Bolus 5. Capsules 6. Suppositories. 1. Powders: Powders are solid dosage of medicament in finely divided form for internal and external use and are available in crystalline or amorphous form. The particle size of powders is significant [...]

By |2017-03-04T09:34:22+00:00March 4, 2017|Toxicology|Comments Off on Formulations of Drugs for Oral Use |Toxicology
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