An overview of pharmacology

Technicians should also be able to correlate brand name medications with the generic names. Such a test was considered positive if it met one or more of the following criteria: Tryptophan is converted to tryptamine by decarboxylation. The following discussion and accompanying illustration provide a simple overview of how the kidney handles water and electrolytes.


The ANS can either increase or decrease the activity of these organs through two subdivisions of the ANS known as the sympathetic and parasympathetic nervous systems.

Interactions with drugs with narrow therapeutic windows like warfarinciclosporinprotease inhibitors and cardiac glycosides are potential concerns.

Withdrawal from these clinical studies of Tamsulosin Hydrochloride Capsules because of abnormal ejaculation was also dose-dependent, with 8 of patients 1.

Antihypertensive therapy with diuretics is particularly effective when coupled with reduced dietary sodium intake. However, inValentina Wasson and R. Antiviral drugs work by inhibiting the virus either before it enters the cell, stopping it from reproducing, or in some cases, preventing it from exiting the cell.

When doctors prescribe these drugs, it is important to factor in these effects. Absorption describes how when medicines enter the body they are are absorbed into the bloodstream from their administration point. After the drug is absorbed the next step is known as distribution.

Mechanisms of diuretic drugs Diuretic drugs increase urine output by the kidney i.


An example of this is aspirin, which can be classified as an analgesic, antipyretic, and anti-inflammatory agent. This category may also include herbal supplements. Psychedelics act on the same receptors as serotonin and dopamine, but as partial agonists. There are 5 schedules of controlled substances with various prescribing guidelines based on abuse potential counter balanced by potential medicinal benefit as determined by the Drug Enforcement Administration and individual state legislative branches.

Pharmacology/Overview of Pharmacology

As blood flows through the kidney, it passes into glomerular capillaries located within the cortex outer zone of the kidney. Most of the antivirals now available are designed to help deal with HIV ganciclovir ; herpes viruses acyclovir, ganciclovir, valacyclovirbest known for causing cold sores and genital herpes, but actually causing a wide range of diseases; the hepatitis B and C viruses, which can cause liver cancer; and influenza viruses oseltamivir.

Medicines that are ingested by the mouth are taken through a special blood vessel coming from the digestive tract to the liver, where significant amounts can be killed by metabolic enzymes known as the "first pass effect" Alternatives paths of entering drugs to the body go through he liver, which will go into the bloodstream directly or through the skin or lungs.

Effects of drugs in the body Drugs in Pharmacology[ edit ] When medicines reach the reacting spots in the body, many events and things occurs along the way when it reaches that spot.


Bactericidal drugs are actually lethal; that is they actually kill the bacteria. This risk is further increased in individuals over 60 years of age, taking corticosteroid drugs, and having received kidney, heart, or lung transplants.

It does not include any risks conferred by pharmaceutical agents or their metabolites that are present in breast milk.General Pharmacology Renal handling of sodium and water.

To understand the action of diuretics, it is first necessary to review how the kidney filters fluid and forms urine. Sep 06,  · Universal Precautions for Preventing Transmission of Bloodborne Infections.

Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings. This site uses cookies. By continuing to browse this site you are agreeing to our use of cookies.

Continue or find out more. or find out more. Drugs in Pharmacology. When medicines reach the reacting spots in the body, many events and things occurs along the way when it reaches that spot. There are four basic stages of the life of medicine in the body.

It is known as absorption, distribution, metabolism, and excretion. This entire process is known as ADME. Introduction to Pharmacology involve movement of drug molecules through various body compartments and across the barriers separating those compartments.

A. Absorption of Drugs. Drugs usually enter the body at sites remote from the target tissue and are carried by the circulation to the intended site of action. Tamsulosin Hydrochloride Capsules are indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH) [ see Clinical Studies (14)].Tamsulosin Hydrochloride Capsules are not indicated for the treatment of hypertension.

An overview of pharmacology
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