PHARMACY

Antibacterial drugs

Mar 31, 2020 by in PHARMACY Comments Off on Antibacterial drugs

Antibacterial drugs are used to treat bacterial infections. Many species of bacteria cause disease in humans; these are termed pathogens . It was once thought that these pathogenic bacteria had…

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Drug dependence and drug abuse

Mar 31, 2020 by in PHARMACY Comments Off on Drug dependence and drug abuse

Many drugs are taken for non-medical purposes, most commonly to generate a sense of well-being or to give pleasure. Drug dependence arises with centrally acting drugs producing a psychological reward…

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Venoms, toxins, poisons and herbs

Mar 31, 2020 by in PHARMACY Comments Off on Venoms, toxins, poisons and herbs

It is important to note that the scientific discovery of new medicines has often been derived from venoms, toxins, poisons and chemicals derived from plants. It is therefore important to…

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Prescribing and personalizing drug treatments

Mar 31, 2020 by in PHARMACY Comments Off on Prescribing and personalizing drug treatments

Variation in drug responses between individuals can be affected by ethnicity, age, gender, pregnancy, disease and drug interactions. Thus the practitioner must take these factors into account for effective and…

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Drugs and cancer

Mar 31, 2020 by in PHARMACY Comments Off on Drugs and cancer

The term cancer refers to a malignant tumour. Cancer cells can manifest, in greater or lesser degree, uncontrolled proliferation, invasiveness, the ability to metastasize and/or infiltrate normal tissues and loss…

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Drugs and parasites: Anti-protozoal and anti-helminthic drugs

Mar 31, 2020 by in PHARMACY Comments Off on Drugs and parasites: Anti-protozoal and anti-helminthic drugs

The main protozoans that produce disease in humans are those causing malaria, amoebiasis, pneumocystis infection, trypanosomiasis and leishmaniasis. Malaria Malaria, a mosquito-borne disease caused by various Plasmodium species, is a…

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Antifungal drugs

Mar 31, 2020 by in PHARMACY Comments Off on Antifungal drugs

Antifungal Drugs The incidence of fungal infections has been increasing with the spread of acquired immunodeficiency syndrome (AIDS) and the increased use of broad-spectrum antibiotics that reduce the non-pathogenic bacteria…

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Antiviral drugs

Mar 31, 2020 by in PHARMACY Comments Off on Antiviral drugs

Viruses consist essentially of DNA or RNA in a protein coat. They have no ribosomes or protein-synthesizing apparatus, although some contain enzymes. They replicate by taking over the metabolic processes…

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Drug use in dentistry

Mar 31, 2020 by in PHARMACY Comments Off on Drug use in dentistry

Physiology of the oral cavity The teeth and supporting tissues provide the initial digestive process essential to all bodily activities. Chewing and swallowing are carried out by specialized oral tissues,…

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Drug use in disorders of nutrition

Mar 31, 2020 by in PHARMACY Comments Off on Drug use in disorders of nutrition

Components of nutrition include water, carbohydrates, proteins (including essential amino acids that cannot be synthesized by the body in sufficient quantities), fats, vitamins, trace elements and indigestible fibres. Disorders of…

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