Antipsychotics
Drugs in medicine

Antipsychotics

  • Reading time:7 mins read

Introduction Antipsychotics are also sometimes called neuroleptics or major tranquilisers.They are typically used for the treatment of psychosis, including schizophrenia, and also in delirium - particularly in the elderly when…

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Bacterial Treatments at a glance
Drugs in medicine

Bacterial Treatments at a glance

  • Reading time:1 mins read

Please note that microbial sensitivities vary between regions & countries, as well as over time. Individual hospital guidelines very widely, and this is just an overview of general sensitivies. Please…

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Beta Blockers
Drugs in medicine

Beta Blockers

  • Reading time:5 mins read

Introduction Beta blockers are competitive inhibitors of beta-adrenergic receptors. There are many kinds of vary half lives and lipid solubility. They are used mainly as anti-arrhythmic agents, but are also…

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Beta-agonists
Salbutamol metered dose inhaler

Beta-agonists

  • Reading time:3 mins read

β2- agonists These act on β2 adrenoceptors on bronchial smooth muscle, causing dilation of the smooth muscle whatever the cause. They are selective because they only target the β2 receptors…

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Calcium Channel Blockers
Drugs in medicine

Calcium Channel Blockers

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Introduction Calcium channel blockers are a group of medications that use several different mechanisms to disrupt the flow of calcium through calcium channels. They are widely used as antihypertensives and…

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Common Drug Doses
Drugs in medicine

Common Drug Doses

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Drug Dose How Often Route Analgesia   Paracetamol 0.5 – 1 g QDS PO / IV Ibuprofen (”Brufen”) 400mg TDS PO Diclofenac (”Volterol”) 50mg BD PO / PR Codeine 30…

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Common Drug Interactions
Drugs in medicine

Common Drug Interactions

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Introduction "Does it interact with any of my other medications doctor?". I hear it every day. Usually several times. And most commonly from the person who is already taking 20…

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Control of Renal Function
Renal physiology and mechanism of action of diuretics. Image by Haisook at English Wikipedia

Control of Renal Function

  • Reading time:6 mins read

Summary     Causes retention of… Info Substance Mechanism H2O Na+ K+   Angiotensin-II Activation of angiotensin II is the end result of activation of the renin-angiotensin system. Causes massive vasoconstriction.…

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Cromones
Drugs in medicine

Cromones

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Cromones – e.g.Sodium cromoglicate, nedocromil sodium This is often described as a mast cell stabilizer. It prevents the release of inflammatory mediators (such as histamine) from mast cells. These drugs…

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Digoxin
Digital purpurea plant from which digoxin is derived

Digoxin

  • Reading time:2 mins read

Introduction Digoxin is a cardiac glycoside, which have two main effects: Increases the force of contractions (through increased intracellular Ca2+​) Reduce conduction through the AV node It is most commonly used…

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