Indications Flashcards
Fibrinolytic drugs
(alteplase, streptokinase)
1) Acute ischaemic stroke
2) Acute STEMI
3) Massive PE with haemodynamic instability
Vitamins
(folic acid, thiamine, hydroxocobalamin, phytomenadione)
1) Thiamine (vit B) used in treatment and prevention of Wernicke’s encephalopathy and Korsakoff’s psychosis (severe thiamine deficiency)
2) Folic acid (vit B3) used in megaloblastic anaemia and in first trimester to reduce risk of neural tube defects
3) Hydroxocobalamin (vit B12) used in treatment of megaloblastic anaemia and subacute combined generation of the cord as a result of B12 deficiency
4) Phytomenadione (vit K) recommended for newborn babies to prevent vit K deficiency bleeding, and is used to reduce anticoagulant effect of warfarin
Nitrates
(isosorbide mononitrate, glyceryl trinitrate)
1) Short-acting (GTN) used in treatment of acute angina and chest pain associated with ACS
2) Long-acing (isosorbide) used for prophylaxis of angina where β-blocker and/or CCB insufficient
3) IV used in treatment of pulmonary oedema
Methotrexate
1) As disease-modifying treatment for RA
2) As part of chemotherapy for leukaemia, lymphoma and some solid tumours
3) Severe psoriasis (and psoriatic arthritis) that is resistant to other therapies
Antiemetics - dopamine D2-receptor antagonists
(metoclopramide, domperidone)
1) Prophylaxis and treatment of nausea and vomiting
Particularly in reduced gut motility
Penicillins - penicillinase-resistant
(flucloxacillin)
Staphylococcal infection, usually as part of combination therapy:
1) Skin and soft tissue infections such as cellulitis
2) Osteomyelitis and septic arthritis
3) Other infections including endocarditis
Quinolones
(ciprofloxacin, moxifloxacin, levofloxacin)
Generally reserved as 2nd or 3rd line due to antibiotic resistance
1) UTI (mostly Gram-negative organisms)
2) Severe gastroenteritis (e.g. Shigella, Campylobacter)
3) lower respiratory tract infections (Gram-positive and negative)
5α reductase inhibitors
(finasteride)
Benign prostatic enlargement (2nd line)
Leukotriene receptor antagonists
(montelukast)
1) Adults: add-on therapy for asthma where symptoms not adequately controlled with other meds
2) Children aged 5-12: alternatives to LABAs as an add-on for asthma
3) Children under 5: 1st line prevention for children with asthma who cannot take inhaled corticosteroid
Tetracyclines
(doxycycline, lymecycline)
1) Acne vulgaris
2) Lower respiratory tract infections inc. infective exacerbations of COPD, pneumonia and atypical pneumonia
3) Chlamydia infection including PID
4) Other infections e.g. typhoid, anthrax, malaria and Lyme disease
Calcium and vitamin D
(calcium carbonate, calcium gluconate, colecalciferol, alfacalcidol)
1) Osteoporisis
2) CKD to treat/prevent secondary hyperparathyroidism and renal osteodystrophy
3) Severe hyperkalaemia to prevent life-threatening arrhythmias (calcium gluconate)
4) Symptomatic hypocalcaemia
5) Prevention/treatment of vitamin D deficiency
Vancomycin
1) treatment of Gram-positive infection e.g. endocarditis where infection is severe and penicillins cannot be used
2) Treatment of antibiotic-associated colitis (usually 2nd line where emtronidazole is poorly tolerated)
Antimuscarinics - cardiovascular and GI uses
(atropine, hyoscine butylbromide, glycopyrronium)
1) 1st line for bradycardia
2) 1st line for IBS (particularly hyoscine butylbromide)
3) Reducing copious respiratory secretions in dying patients
β-blockers
(bisoprolol, atenolol, propanolol, metoprolol, carvedilol)
1) Ischaemic heart disease to improve symptoms/prognosis associated with angina and ACS
2) Chronic heart failure to improve prognosis
3) AF to reduce ventricular rate
4) SVT to restore sinus rhythm
5) HTN (if other medications insufficient)
Naloxone
1) Acute treatment of opioid toxicity
Lidocaine
1) First choice local anaesthetic
2) Uncommonly as anti-arrhythmic in VT and VF refractory to electrical cardioversion
Antipsychotics - 2nd generation (atypical)
(quetiapine, olanzapine, risperidone, clozapine)
1) Urgent treatment of severe psychomotor agitation
2) Schizophrenia
3) Bipolar disorder
Chloramphenicol
1) Bacterial conjunctivitis (eye drops)
2) Otitis externa (ear drops)
Gabapentin and pregablin
1) Add-on treatment of focal epilepsies (not recommended in absence or myoclonic seizures)
2) 1st line for neuropathic pain (inc. painful diabetic neuropathy)
3) Generalised anxiety disorder (pregablin)
Angiotensin receptor blockers
(losartan, candesartan, irbesartan)
Generally used when ACE inhibitors not tolerated due to cough
1) HTN - 1st or 2nd line
2) Chronic heart failure 1st line
3) Ischaemic heart disease to reduce risk of further CV events
4) Diabetic nephropathy and CKD with proteinuria
Antiemetics - serotonin 5-HT3-receptor antagonists
(ondansetron, granisetron)
1) Prophylaxis and treatment of nausea and vomiting
Particularly in general anaesthesia and chemotherapy
Antiemetics - histamine H1-receptor antagonists
(cyclizine, cinanrizine, promethazine)
1) Prophylaxis and treatment of nausea and vomiting
Particularly in motion sickness and vertigo
Corticosteroids (glucocorticoids) - systemic
(prednisolone, hydrocortisone, dexamethasone)
1) Allergic or inflammatory disorders e.g. anaphylaxis, asthma
2) Suppression of autoimmune disease e.g. IBD, inflammatory arthritis
3) Some cancers - reduce tumour-associated swelling
4) Hormone replacement in adrenal insufficiency or hypopituitarism
Warfarin
1) VTE treatment and prevention of recurrence
2) To prevent arterial embolism in patients with AF or prosthetic heart valves
Thyroid hormones
(levothyroxine, liothyronine)
1) Primary hypothyroidism
2) Hypothyroidism secondary to hypopituitarism
α-blockers
(doxazosin, tamsulosin, alfuzosin)
1) Benign prostatic enlargement
2) Resistant HTN (as add-on)
Dopaminergic drugs for Parkinson’s disease
(levodopa as co-careldopa/co-beneldopa, ropinirole, premipexol)
1) Early Parkinson’s disease - ropinirole, pramipexol
2) Later Parkinson’s disease - levodopa
3) Levodopa and dopamine agonists may be options for secondary parkinsonism
Sex hormone antagonists for breast cancer
(tamoxifen, anastrozole, letrozole)
1) Early and locally advanced oestrogen-receptor positive (ER-positive) breast cancer as adjuvant treatment to reduce risk of recurrent disease
2) Advanced ER-positive breast cancer
to slow disease progression
Adenosine
1) 1st line diagnostic and therapeutic agent in SVT
Prostaglandin analogue of eye drops
(latanoprost, bimatoprost)
1) 1st line agents to lower intraocular pressure in open-angle glaucoma and ocular hypertension
Dipeptidylpeptidase-4 inhibitors
(sitagliptin, linagliptin, saxagliptin)
T2DM
1) In combination with metformin where blood glucose not adequately controlled on single agent
2) As single agent to control blood glucose where metformin is contraindicated/not tolerated
Lamotrigine
1) Seizure prophylaxis in epilepsy - 1st line in focal, generalised tonic-clonic and absence
2) Bipolar depression (not mania/hypomania)
Penicillins
(benzylpenicilin, phenoxymethylpenicillin)
1) Streptococcal infection inc. tonsillitis, pneumonia, endocarditis, and skin and soft tissue infections
2) Meningococcal infection e.g. meningitis, septicaemia
3) Clostridial infection e.g. gas gangrene (clostridial myonecrosis)
Bisphosphonates
(alendronic acid, disodium pamidronate, zoledronic acid)
1) 1st line for patients at risk of osteoporotic fragility fractures
2) Treatment of severe hypercalcaemia of malignancy (pamidronate and zoledronic acid)
3) Myeloma and bone metastases (pamidronate and zoledronic acid)
4) 1st line treatment for metabolically active Paget’s disease
Aminoglycosides
(gentamicin, amikacin, neomycin)
Systemic (gentamicin, amikacin): treatment of severe infections
1) severe sepsis
2) Pyelonephritis and complicated UTI
3) Biliary and other intra-abdominal sepsis
4) Endocarditis
Topical (neomycin):
5) Bacterial skin, eye or external ear infections
Macrolides
(clarithromycin, erythromycin, azithromycin)
1) Treatment of respiratory, skin and soft tissue infections as alternative to penicillin when contraindicated
2) Severe pneumonia added to penicillin to cover atypical organisms
3) Eradication of H. pylori in combination with PPI and amoxicillin/metronidazole
Calcium channel blockers
(amlodipine, nifedipine, dilitiazem, verapamil)
1) 1st or 2nd line treatment for HTN (amlodipine)
2) Symptom control instable angina
3) Rate control in SVT (dilitiazem and verapimil)
Acetylcholinesterase inhibitors
(donepezil, rivastigmine)
1) Mild to moderate Alzheimer’s
2) Mild to moderate dementia in Parkinson’s (rivastigmine)
Amiodarone
1) Used in a wide range of tachyarrhythmias
AF, SVT, RVF