ADR's Flashcards
Name some drugs that cause HYPO kalaemia?
Loop/thiazide diuretics, beta agonists, theophylline, corticosteroids, stimulant laxatives
Name some drugs that cause HYPER kalemia?
ACE/ARBS, tacrolimus, K sparing diuretics, heparins, NSAIDS, trimethoprim
Name some drugs that cause HYPO natremia?
Antidepressants, carbamazepine, NSAIDS, desmopresson
Drugs that have antimuscarinic SE’s?
Antimuscarinic drugs i.e. oxybutynin , hyoscine , Atropine, TCS, antihistamines, clozapine, antipsychotics
Drugs causing ototoxicity
Aminoglycosides, cisplatin, glycopeptides, loop diuretics, vinca alkaloids
Drugs that lower seizure threshold?
Quinolones Mefloquine SSRIs Antipsychotics Tramadol Lithium Baclofen
Drugs associated with QT prolongation
CLAMS HMV Citalopram Lithium AMiodarone Sotalol Haloperidol Macrolides Venlafaxine
Drugs that cause photosensitivity?
QARTS
Q = quinine A = amiodarone R = Retinoids T = tetracyclines S = Sulfasalazine
Other = antimalarials, antipsychotics, tacrolimus, topical NSAIDS, voriconazole
What colour does dantron colour the urine?
Red
What colour does Doxorubicin colour the urine?
Red
What colour does Levodopa colour the urine?
Red
What colour does Rifampicin colour the urine?
Red/orange
What colour does sulfasalazine colour the urine?
Orange
What colour does senna colour the urine?
Yellow/brown
What colour does nitrofurantoin ?
rust yellow/brown
What colour do prostaglandin analogues colour the urine?
Brown
What colour does iron colour the bodily secretions i.e. stools?
Black
What colour does triamterene colour the urine?
Blue
Name the teratogenic drugs:
MTX Trimethoprim Statins Tetracyclines Prostaglandin analogues ACE inhibitors/arbs Isotretinoin Lithium (avoid if possible) Na valproate Warfarin (not in 1st trimester) Chloramphenicol (grey baby syndrome) Aspirin/NSAIDS Topiramate Finasteride Quinolones Aminoglycosides
Name some drugs affecting BFing
Ethosuximide, lamotrigine
Fluvastatin
Phenobarbital
Bromocriptine
Contraception required for isotretinoin?
Females of childbearing age must practise effective contraception for at least 1 month before starting treatment, during treatment, and for at least 1 month after stopping treatment.
They should be advised to use at least 1 highly effective method of contraception (i.e. a user-independent form such as an intra-uterine device or implant) or 2 complementary user-dependent forms of contraception (e.g. combined oral contraceptives and barrier method)
Name the enzyme inhibitors
SICKFACES.COM
Sodium valproate Isoniazid Cimetidine Ketoconazole Fluconazole Alcohol Chloramphenicol Erythromycin Sulphonamides Ciprofloxacin Omeprazole Metronidazole
Name the enzyme inducers
BS CRAP GPS
Barbiturates St johns wort Carbamazepine Rifampicin Alcohol Phenytoin Griseofulvin Phenobarbital Sulfonylureas
What drugs lead to a max dose of 20mg in simvastatin
VADAR
Verapamil Amiodarone Diltiazem Amlodipine Ranolazine
What are the high intensity statins?
Rosuvastatin 10mg and above
Atorvastatin 20mg and above
Simvastatin 80mg
When would you give a stimulant and osmotic laxative first line?
FOCOS
F= faecal impaction O = opioid induced C = children
Name the smoking interactions
COAT
Clozapine, Olanzapine, Aminophylline and theophylline
Drugs that decrease effect of warfarin? THINK INDUCERS
SCRAP
St Johns Wart Carbamazepine Rifampicin Alcohol Phenytoin
Drugs that increase effect of warfarin? THINK INHIBITORS
McMACS
Metronidazole Cranberry juice Macrolides Azole antifungals Ciprofloxacin
What antibiotics can’t you have with milk?
DOT
Demeclocycline, oxytetracycline, tetracycline
And ciprofloxacin
What tetracyclines can you have milk with?
Doxy, Lymecycline and minocycline
Safest abx in pregnancy?
PECC
Penicillins, erythromycin (risk benefit), clindamycin, cephalosporins
What drugs are used in TB (initial and continuation and durations)
RIPE
Rifampicin
Isoniazid (with pyroxidine)
Pyrazinamide
Ethambutol (eye toxicity, doesn’t cause liver toxicity like others)
Initial = 2 months of RIPE Continuation = 4 months of RI
Use of pyridoxine?
Prevent peripheral neuropathy
Abx that you must take with food?
PMN
Pivemecillinam
Nitrofurantoin
Metronidazole
What are the short acting insulins?
LAG
Lispro (humalog)
Aspart (novo rapid/fiasp)
Glulisine (apirda)
What are the long acting insulins?
DDG
Insulin detemir (levemir) Insulin degludec (tresiba) Insulin glargine (lantus)
What are the warfarin colours and their corresponding doses?
BRUPE
Brown = 1mg Blue = 3mg Pink = 5mg
What age can naproxen be given etc for dysmennorhoea?
15-50 years
What is the dose for naproxen for dysmennorhoea?
1st dose = 2 tablets and 2nd dose after 6-8 hours is one more tablet if needed
No more than 3 a day and no more than 3 days of treatment in a month
Indication and age for tranexamic acid for menorrhagia?
18 and over, regular 21-35 days cycles and if no more than 3 days individual variability in cycle duration.
Contraindications for tranexamic acid?
Taking warfarin/any other anticoagulants
Taking COC or tamoxifen
Pregnancy
Mild to moderate renal insufficiency
Tranexamic acid dosage?
Take once heavy bleeding has started (2 tablets 2 times daily for as long as needed but for a maximum of 4 days) - no more than 8 tablets if severe
Age for tamsulosin?
45-75 years
Dosage for tamsulosin?
400micrograms capsule swallowed whole after the same meal each day
Contraindications for tamsulosin?
symptoms are <3 months duration
Prostate surgery
Unstable or undiagnosed diabetes
Postural hypotension
Counselling for tamsulosin?
Must see their doctor within 6 weeks of starting treatment and then every 12 months for confirmation that they can continue taking it
Interacts with antihypertensives
Indication for ED treatment with sildenafil?
Men over 18
Dose for sildenafil?
50mg an hour before SI - no more
Counselling points for sildenafil?
- Healthy living advice
- General check up within 6 months of treatment
What treatments are available OTC for malaria?
Proguanil (paludrine 100mg tablet)
Chloroquine (avloclor 250mg tablet).
Atovaquone/proguanil (250/100) Maloff Protect
Dose for proguanil (paludrine)?
Daily dose week before entering country then 4 weeks after leaving the region.
Adutlts =200mg OD
Dose for avloclor (chloroquine)?
Weekly dose - a week before entering malarial region, continue during stay, then 4 week after leaving region
2 tablets
Dose for atovaquone/proguanil (250/100) Maloff protect?
Daily dose
1-2 days before entering malarial region and continue during stay
Carry on for another week after leaving the region
1 tablet
Cautions and when to refer with proguanil (paludrine)?
Those with renal impairment
Cautions and when to refer with avloclor (chloroquine)?
Risk of hypoglycaemia Renal disease History of epilepsy Those with psoriasis Those planning to conceive or are pregnant
Cautions and when to refer with maloff (atovaquone/proguanil)?
Not for anyone who weights <40kg
Those planning to conceive or are pregnant/breastfeeding
Only licensed up to 12 weeks (may need rx or PGD)
Contraindications for avloclor?
not to be used alongside amiodarone
Contraindications for maloff protect?
If renal or hepatic impairment and in children and adolescents
Interactions with paludrine (proguanil)
can increase effect of warfarin, antiretrovirals
Antacids must be taken 2 hours apart
Interactions with avloclor?
Drugs that increase QT interval
Antacids
Increased TSH levels with concomincant use of levothyroxine
Interactions with maloff protect?
Antiretrovirals
Rifampicin
Cousnelling with antimalarials?
Always use bite repellant
Those that fall ill within 1 year and especially within 3 months after coming back should immediately see their doctor
What drugs do you give in tonic clinical seizures:
SALOC
Sodium valp
Lamotrigine
Oxcarbamazepine
Carbamazepine
Absense seizures??
SEAL
Sodium valproate
Ethosuximide
Levetiracetam
Topiramate
Treatment for focal seizures?
FOCAL
Carbamazepine and lamotrigine
Category 1 antiepileptics?
Carbamazepine, primidone, phenytoin, perampanel
What are the extra pyramidal side effects?
ADAPT
Acute dystonia
Akathisia (an inability to remain still)
Parkinsonism
Tardiva dyskinesia
Lithium monitoring?
Renal, plasma levels, cardiac and thyroid function
How is lithium cleared?
Renally
Side effects of lithium?
GI disturbances, Visual disturbances CNS disturbances Fine tremor Incontinence Signs and symptoms of hypothyroidism Signs of renal dysfunction (polyuria and polydispsia) Signs and symptoms of benign intracranial hypertension
MAKE SURE STICK TO SAME BRAND
Maintain adequate salt and oral intake
What do you have to screen for with hydroxychloroquine?
Occular toxicity
ADR’s with leflunamide?
Hepatic toxicity and teratogenic
How long do you need contraception for for leflunamide?
2 years after treatment for women and 3 months for men
How long before you can have kids with cyclophosphamide?
Permanent male sterility!
How long do you need to be on contraception for after methotrexate?
3 months, both men and women
What can be used to treat acute gout?
Colchicine or high dose NSAID
What can be used to treat chronic gout?
Allopurinol first line or febuxostat
What drugs can cause gout?
- Diuretics
- Ciclosporin, tacrolimus
- Cytotoxics
- Cancer drugs
Maximum dose for colchicine?
6mg for course
500mcg 2-4 times a day
Do you start long term control straight after gout attack?
No
If attack occurs during prophylaxis, do you continue prophylactic treatment?
Yes
Anti cholinesterase side effects?
Opposite of antimuscarinic so
- Increased sweating
- Increased saliva
- Increased uterine motility
Example of an anti-cholinesterase?
Neostigmine
How do anti-cholinesterases work?
Prolong action of acetylcholine
Side effects of quinine?
QT prolongation (MHRA), toxic in overdose
Drug treatment for sciatica?
- Oral NSAID
- Weak opioid alone or with paracetamol
- Benzo’s sometimes used
- Tricyclics SHOULDNT BE USED FOR LOWER BACK PAIN
NSAIDs should be taken on an empty stomach. True or false?
False - with or after food
Can a GTN patch be applied to people with small veins to prevent extravasation?
Yes
How is extravasation managed?
Corticosteroids, antihistamines, analgesics
Side effects of tacrolimus?
Pretty much everything:
Cardiomyopathy, nephrotoxicity, hepatoxicity, blood dycrasias, hypertension, hyperglycaemia, hyperkalaemia, hyperurcaemia, headaches, tremors, blurred vision, can cause photosensitivity.
Can you have mycophenlatep during pregnancy?
No - genotoxic and teratogenic
2 methods of contraception until 6 weeks after discontinuing in women
Men = condoms until 90 days after
Is tacrolimus brand specific?
YES
Side effects of cyclosporin?
Nephrotoxic, hepatotoxicity, blood dycrasias, hyperlipidaemia, hypertension, high K and low Mg,
visual disturbances, gingival hyperplasia and photosensitivity
What happens in tumour lysis syndrome?
Hyper K+, Urea, Hypocalcaemia
What drugs does bone marrow suppression occur in?
All cytotoxic apart from vincristine and bleomycin
How is hyperuricaemia prevented?
Allopurinol 24 hours before treating tumour
OR febuxistat 2 days before if allopurinol CI’ed
Most emetogenic cancer drugs?
Cisplatin and high dose cyclophosphamide
Treatment of chemo N+V?
Lorazepam for anticipatory and
if high risk = dexamethasone or lorazepam
If low risk/moderate = 5HT3 antagonist = ondansertron
Drugs that are bad for extravasation?
Vinca alkaloids and anthrcyclines = worst case = amputation
What are the anthracyclines?
Rubicins!
Doxorubicin
Side effects of the anthracyclines (the rubicund)?
Cardiotoxicity (dose related) and red urine
What are antineoplastic abx?
Bleomycin
Sife effects of antineoplastic abx?
Pulmonary toxicity, rest failure, hypersensitivity, dermatological toxicity
Examples of vincalkaloids?
The vins
- Vincristine
- Vinblastine
IV ONLY
Example of antimetabolites?
Methotrexate, flurouracil
Side effects of antimetabolites?
Oral mucositis, myelosupression
Examples of alkylating drugs?
Cyclophosphamide - permanent male sterility
Treatment for breast cancer (post menopausal)
Aromotase inhibitors i.e. letrozole then tamoxifen if AI’s are inappropriate
Treatment for breast cancer (pre menopausal and men)
Tamoxifen - if oestrogen receptor positive invasive breast cancer
Bisphosphonate therapy in BC?
Zolendronic acid - every 3-4 weeks
What biologic is used in BC and what is it recommended for?
Trastuzumab - treatment of her2 positive BC
What to do if on HRT and get breast cancer?
Discontinue HRT
Can aromatase inhibitors be used in pre menopausal women?
no
What is the name of the chemo drug for prostate cancer?
Docetaxel
Treatment options for prostate cancer?
- Anti angroden therapy
- Active surveillance
- Radical prostatectomy
- Radiotherapy
- Androgen depravation therapy
- Chemo with docetaxel
How often is hypromellose added?
hourly
Is closed angle glaucoma an emergency?
Yes
How long to refer for ulcers?
3 weeks
How long can fusidic acid be used for in impetigo?
10 days
Example of a mild topical steroid?
Hydrocortisone
Example of a very potent topical steroid?
Dermovate
How long do you need to continue contraception before and after isotretinoin?
1 month before, during and after
What to do if you get psychiatric reactions with isotretinoin?
STOP
Side effects of isoretinoin?
Hyperglycaemia, high cholesterol, dryness, pancreatitis , hepatoxicity, visual disturbances
What common allergen is in the flu vaccine?
Egg
Age for topical degongestants?
18
Age for oral decongestants
6 - Max 5 days for 6-12
Age for diphenhydramine?
16