DRUGS Flashcards
DRUG: Morphine
MOA:
INDICATIONS:
MOA: Act on mainly mu-opioid receptors in the CNS, reducing transmission of the pain impulse and by modulating the descending inhibitory pathways from the brain
INDICATIONS: Moderate-severe pain
DRUG: Fluticasone
MOA:
INDICATIONS:
MOA: Reduce airway inflammation and bronchial hyper reactivity
INDICATIONS: Maintenance treatment of asthma
DRUG: Codeine
MOA:
INDICATIONS:
MOA: Act on mainly mu-opioid receptors in the CNS, reducing transmission of the pain impulse and by modulating the descending inhibitory pathways from the brain
Prodrug, oxidised to morphine by CYP2D6
INDICATIONS: Mild-moderate pain, Cough suppression
DRUG: Aspirin
MOA:
INDICATIONS:
MOA: Inhibits platelet aggregation by irreversibly inhibiting COX, reducing the synthesis of thromboxane A2
INDICATIONS:
ACS
History of Symptomatic Atherosclerosis
Analgesia
DRUG: N-acetylcysteine
MOA:
INDICATIONS:
MOA: Precursor for glutathione synthesis; glutathione and acetylcysteine bind to reactive metabolite of paracetamol
INDICATIONS: Paracetamol overdose/hepatotoxicity
DRUG: Pilocarpine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA:
Cholinergic effect contracts:
iris sphincter causing miosis and ciliary muscle
INDICATIONS: Chronic open-angle glaucoma
SIDE EFFECTS:
Salivation
Lacrimation
Urinary Incontinence
Diarrhoea
GI Cramps
Emesis
DRUG: Neostigmine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Inhibit AChE and reduce breakdown of neuronally released ACh; enhance neuromuscular transmission in skeletal and smooth muscles
INDICATIONS: Myasthenia gravis
SIDE EFFECTS:
Salivation
Lacrimation
Urinary Incontinence
Diarrhoea
GI Cramps
Emesis
DRUG: Atropine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Reversibly block ACh receptors on iris sphincter and ciliary muscle
INDICATIONS: Mydriasis, Cycloplegia
SIDE EFFECTS:
Dry Mouth
Blurred Vision
Constipation
Drowsiness
Poor memories
Anisocoria
DRUG: Hyoscine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Smooth muscle relaxant; reduces GI motility and spasm
INDICATIONS: GI spasm, motion sickness
SIDE EFFECTS:
Dry Mouth
Blurred Vision
Constipation
Drowsiness
Poor memories
Anisocoria
DRUG: Benztropine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Selective M1 muscarinic ACh receptor antagonist. Inhibits uptake of dopamine
INDICATIONS: Parkinson’s disease, Dystonia
SIDE EFFECTS:
Dry Mouth
Blurred Vision
Constipation
Drowsiness
Poor memories
Anisocoria
DRUG: Ipratropium
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Promote bronchodilation by inhibiting cholinergic bronchomotor tone. They block muscarinic actions of ACh
INDICATIONS: Symptom relief of asthma and COPD
SIDE EFFECTS:
Dry Mouth
Blurred Vision
Constipation
Drowsiness
Poor memories
Anisocoria
DRUG: Pancuronium (ND)
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: ACh receptor antagonists, prevent depolarisation of the muscle membrane
INDICATIONS: Skeletal muscle relaxation in anaesthesia and intensive care
SIDE EFFECTS:
Dry Mouth
Blurred Vision
Constipation
Drowsiness
Poor memories
Anisocoria
DRUG: Suxamethonium
(D)
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: mimics ACh; acts at ACh receptor, depolarising the motor end plate
INDICATIONS: Skeletal muscle relaxation in anaesthesia
SIDE EFFECTS:
Dry Mouth
Blurred Vision
Constipation
Drowsiness
Poor memories
Anisocoria
DRUG: Phenylephrine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Stimulate A1 receptors to constrict SMC
INDICATIONS: Nasal congestion
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Clonidine/Methyldopa
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Stimulate A2 receptors
INDICATIONS: Hypertension
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Salbutamol
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Short-acting B2 adrenergic receptor agonist
INDICATIONS: Asthma
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Oxymetazoline
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Non-selectively agonises A1 and A2 adrenergic receptors resulting in vasoconstriction
INDICATIONS: Nasal congestion
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Isopretenerol
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Non-selective B1 and B2 adrenoreceptor agonist - structurally similar to A
INDICATIONS: Bradycardia
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Pseudoephedrine
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Act on alpha adrenoreceptors on vascular smooth muscle in the respiratory tract, producing vasoconstriction of dilated nasal vessels
INDICATIONS: Nasal congestion
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Selegiline
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Inhibit the action of MAO-B preventing the breakdown of monoamine neurotransmitters – inhibits DA metabolism
INDICATIONS: Parkinson’s
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Entecapone
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Inhibit the action of COMT which is involved in the degradation of neurotransmitters – inhibits DA metabolism
INDICATIONS: Parkinson’s
SIDE EFFECTS:
Effects Sympathetic Activation
- Increased heart rate
- Bronchodilation
- Radial muscle contracts
- Vasoconstriction
- Vasodilation
- Relaxation of detrusor
DRUG: Alfazosin
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: A1 blocking agent that exhibits selectivity for A1 adrenergic receptors in the lower urinary tract leading to the relaxation of smooth muscle in the bladder neck and prostate
INDICATIONS: Benign Prostatic Hyperplasia
SIDE EFFECTS:
- Postural hypotension
- Reflex Tachycardia
- Salt and water retention
- Miosis
DRUG: Prazosin
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: A1 receptor blocker preventing the action of NA on smooth muscle
INDICATIONS: Hypertension
SIDE EFFECTS:
- Postural hypotension
- Reflex Tachycardia
- Salt and water retention
- Miosis
DRUG: Metoprolol
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Selective B1 receptor antagonists
INDICATIONS: Hypertension
SIDE EFFECTS: Dizziness, light-headedness, fatigue
DRUG: Frusemide
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Inhibit co-transport of Na+/K+/Cl2- by probably binding to the Cl- site. Decrease reabsorption of Na+ and Cl- whose urinary elimination increases
INDICATIONS:
Hypertension
Fluid overload/oedema
SIDE EFFECTS:
Hyponatremia, dehydration, hypokalaemia
DRUG: Hydrochlorothiazide
MOA:
INDICATIONS:
MOA: Inhibit the co-transport of Cl-/Na+ in the initial part of the distal tubule. Decrease the potassium concentration
INDICATIONS: Hypertension
DRUG: Spironolactone
MOA:
INDICATIONS:
MOA: Reduce K+ loss by inhibiting Na+/K+ pump expression. Used in combination w/ thiazide diuretics to restrict K+ loss
INDICATIONS: Hypertension
DRUG: Metoprolol
MOA:
INDICATIONS:
SIDE EFFECTS:
MOA: Decrease arterial blood pressure by reducing cardiac output. Inhibit the release of renin from the kidneys
INDICATIONS: Hypertension
SIDE EFFECTS: Cold hands and feet, swollen ankles, bradycardia, difficulty breathing, joint pain, hallucination, lethargy, impotence