Essentials Flashcards
CYP3A4 inhibitors
SEV =
Azole antifungals (ketoconazole, itraconazole SEV, fluconazole MOD), Macrolides (Clarythromycin, Erythromycin), Protease inhibitors (Ritonavir, Nirmatrelvir-Ritonavir aka Paxlovid)
MOD = Amiodarone, rlCCBs, Ciprofloxacin, Cimetidine, Ciclosporin, Grapefruit juice
WEAK = Buprenorphine, Cimetidine, Omeprazole, Ranolazine, Tacrolimus, Ticagrelor, Valproic acid, Amlodipine, Azithromycin
CYP3A4 inducers
SEV = Rifampicin, Phenytoin, Carbamazepine
MOD = St. John’s Wort, Glucocorticoids, Topiramate, Primidone, Barbiturates, Clobazam
CYP3A4 substrates
Sensitive = Statins, Losartan, CCBs (rlCCBs, Amlodipine, Felodipine, Nifedipine)
TCAs, Z-drugs, Warfarin, Amiodarone, Domperidone, Ondansetron, Propranolol, Chlorphenamine, Donepezil
Sex steroids (Finas, Estra, Ethin, Prog, Test)
BZDs (Dia, Mida, Clona)
Steroids (Dex, Hydro, Flutic, Bude)
Antidepressants (Sert, Cital, Mirtaz, Venla, Traz)
Antipsychotics (Halo, Aripip, Risp, Quet)
Opioids (Al/Fent, Bupr, Code, Methadone, Tram)
Montelukast, Salmeterol, Lidocaine, Eplerenone, Sildenafil, Tadalafil
Paracetamol doses
All q4-6h
Calpol infant 2m-6y 120mg/5mL
2-3m >4kg >37w 2.5mL (60mg)
3-6m 2.5mL (60mg)
6-24m 5mL (120mg)
2-4y 7.5mL (180mg)
4-6y 10mL (240mg)
Calpol 6+ 250mg/5mL
6-8y 5mL (250mg)
8-10y 7.5mL (375mg)
10-12y 10mL (500mg)
12-16y 10-15mL (500-750mg)
16+ 10-20mL (500-1000mg)
Paracetamol dose reductions
<50kg = 500mg max dose
Renal (<30mL/min) + IV = 1g q6h
Hepatic = 1g TDS (500mg TDS I’d also <50kg)
How much stronger is sublingual fentanyl than oral morphine
PO Morphine 10mg : SL Fentanyl 100mcg
100 X Stronger
Dose conversion between PO Morpine and SC/IV
PO Morphine 10mg : SC/IV Morphine 5mg
2 X Stronger
Converting PO Morphine to Codeine / Dihydrocodeine / Tramadol
PO Morphine 10mg : 100mg of each
10 X Stronger
Morphine to Codeine / Dihydrocodeine / Tramadol
PO Morphine 10mg : 100mg of each
10 X Stronger
Morphine to Oxycodone
PO Morphine 10mg : PO Oxycodone 6.6mg
1.5 X Stronger
To SC/IV Oxycodone 5mg so 2 X Stronger
Safest opioid in pregnancy and breastfeeding
Dihydrocodeine
Opioid affecting seizures
Tramadol
Ibuprofen dosing
100mg/5mL
1-2m 5mg/kg TDS-QDS
3-5m 2.5mL (50mg) >5kg TDS only use for 24h
6-12m 2.5mL (50mg) TDS-QDS only use for 72h
1-3y 5mL (100mg) TDS
4-6y 7.5mL (150mg)
7-9y 10mL (200mg)
10-11y 15mL (300mg)
12+ 15-20mL (300-400mg) TDS-QDS
Drugs that make your urine blue or green
Amitriptyline
Cimetidine
Indometacin
Promethazine
Drugs that turn your urine brown
Metronidazole
Nitrofurantoin
Phenytoin
Drugs that turn your urine orange
Rifampicin
Sulfasalazine
Drugs that turn your urine pink
Doxorubicin
Daunorubicin
Nefopam
Phenytoin
Drugs that turn your urine yellow
Nitrofurantoin
Senna
Sulfasalazine
Tolcapone
Vitamin B
Drugs that turn your urine red
Co-danthramer
Chlorpromazine
Doxorubicin
Daunorubicin
Entacapone
Levodopa
Rifampicin
Rifaximin
Senna
Adrenaline dosing in anaphylaxis
<6m 100-150mcg
6m-5y 150mcg
6-11y 300mcg
12-17y 500mcg (300mcg if pre-puberty)
Adult 500mcg
Into the upper thigh
Repeat dose 5mins later, call 999 after 10mins and keep giving doses until requirement met
Ultra rapid insulins
Fiasp (Aspart) flextouch
Lyumjev (Lispro) Kwikpen
Rapid acting insulins
Novorapid (Aspart) flexpen
Humalog (Lispro) Kwikpen 100/200
Apidra (Glulisine) solostar
Short acting insulin
Soluble human insulins:
Actrapid flex pen/ vial
Humulin S vial
Intermediate acting insulin
Isophane insulins:
Innolet (Insulatard)
Humulin I Kwikpen
Long acting insulins
Levemir (Detemir) flexpen
Lantus (Glargine) solostar
Abasaglar (Glargine) kwikpen
Tresiba (Degludec) flextouch 100/200
Toujeo (Glargine) solostar 300
Biphasic insulins
Novomix 30 (isophane 30/aspart 70) Flexpen
Humalog mix 25 (lispro 25/ protamine lispro 75) Kwikpen
Humalog mix 50 (lispro 50/ protamine lispro 50) Kwikpen
Opioids reversal agent
Naloxone
Benzodiazepines reversal agent
Flumenazil
Heparin reversal agent
Protamine sulfate
Aspirin reversal agent
Platelet concentrate infusion
Or desmopressin
Warfarin reversal agent
Vitamin k aka phytomenadione
DOACs reversal agent
Adexanet alfa for Apixaban Edoxaban and Rivaroxaban
Idarucizumab for Dabigatran
Paracetamol reversal agent
N-Acetylcysteine
N-Acetylcysteine dosing for paracetamol overdose
150mg/kg 1h then 50mg/kg 4h then 100mg/kg 16h
What is the licensed minimum age for Pseudoephedrine
12+
What is the licensed minimum age for Guaifenisin
2+
What is the licensed minimum age for
Benzocaine ear drops
2+
What is the licensed minimum age for Otrivine (Xylometolazine) for nasal congestion
6+
What is the licensed minimum age for sodium bicarbonate ear drops for ear wax
5+
What is the licensed minimum age for sodium cromoglicate eye drops for allergic conjunctivitis
2+
What is the licensed minimum age for carbomer eye gel for dry eyes
2+
What is the licensed minimum age for Anbesol and EMLA formulations of Lidocaine
Anbesol 5months +
EMLA 3months +
What is the licensed minimum age for bonjela
16+
choline salicylate
What is the licensed minimum age for aciclovir aka zovirax
All ages
What is the licensed minimum age for gaviscon adult
12+
What is the licensed minimum age for peptac
6+
What is the licensed minimum age for stimulant laxatives
12+
What is the maximum pack size of stimulant laxatives OTC
20
What is the licensed minimum age for peppermint oil
15+
What is the licensed minimum age for mebeverine
18+
What is the licensed minimum age for canesten and what drugs can be in canesten
16+
Fluconazole or clotrimazole
What is the licensed minimum age for daktarin and daktarin gold
Daktarin contains miconazole all ages
Daktarin gold is Ketoconazole 18+
What advice would you give OTC regarding steroid creams
Don’t use on face
What warning comes with emollients
Flammable
What is the licensed minimum age for hydrocortisone cream and ointment otc
Ointment is POM
Cream 10+
Dermacort
What is the licensed minimum age for eumovate cream
Clobetasone 12+
What is the licensed minimum age for mepyramine
Anthisan bite and sting 2+
What is the licensed minimum age for benzoyl peroxide
Acnecide 12+
What strength of ibuprofen gel is available otc and at what age
5% 12+ P med
10% POM
What is the licensed minimum age for hyoscine hydro bromide
Kwells 4+
What is the licensed minimum age for loperamide otc
Imodium 12+
What is the licensed minimum age for germaloids
12+
Zinc oxide and lidocaine
What is the licensed minimum age for anusol and HC
18+
Zinc oxide, bismuth oxide, balsam peru
HC also contains hydrocortisone and benzyl benzoate
What is the difference between the different benylins
Benylin (Diphenhydramine + Levomenthol) 6+
Benylin infant (glycerol) 3months+
Benylin chesty cough (Guaifenasin) 6+
Benylin dry cough and sore throat (Glycerol + Sucrose) 1+
Benylin dry cough (Dextromethorphan) 12+
What is the licensed minimum age for Solpadeine plus and max
Solpadeine plus (Paracetamol, Codeine, Caffeine) 12+
Solpadeine max (Paracetamol, Codeine) 12+
What is the licensed minimum age for nurofen
Ibuprofen 3months+
What is the licensed minimum age for stugeron
Cinnarazine 5+
What is the licensed minimum age for avomine
Promethazine 5+
What is the licensed minimum age for migraleve
12+
Paracetamol, Codeine, Buclizine
What is the licensed minimum age for Beconase nasal spray
18+
Beclometasone
What is the licensed minimum age for piriton
Chlorphenamine 1+
What is the licensed minimum age for piriteze
Cetirizine 6+
What is the licensed minimum age for clarityn
Loratadine 2+
What is the licensed minimum age for Sudafed
Pseudoephedrine 12+
Max Sudafed purchase otc
720mg
What is the licensed minimum age for difflam rinse, spray and lozenge
Benzydamine
12+ rise
6+ spray
6+ lozenge
What is the licensed minimum age for lemsip
Paracetamol, caffeine, phenylephrine
16+
What is the licensed minimum age for night nurse
Paracetamol, promethazine, dextromethorphan
What is carbocysteine contraindicated in
Active peptic ulceration
What laxative should be avoided in IBS
Lactulose as it causes bloating
What must be administered with isoniazid and why
Pyridixine B vitamin to reduce peripheral neuropathy