Infection Flashcards
What is an Infection?
When a pathogen enters in the body, proliferation and causes a reaction
What are symptoms of an infection
- Malaise, aches, pain
- Inflammation, swelling and pus.
Serious - Confusion in elderly, 2.Worsening renal function
- Breathing difficulties.
What are the infection clinical biomarkers
Increased CRP, ESR, Glucose, Temperature and Respiratory Rate.
Decrease in blood pressure
What antibiotics cause Colitis (C.diff)
Clindamycin
Broad Spectrum - Amoxicillin, Ampicillin and 3th and 4th gen Cephalosporins, Quinolones
What are narrow spectrum antibiotics
Nitrofurantoin
Clindamycin
Metronidazole
Benzypenicillin
Phenoxymethylpenicillin
Linezolid
(Used when a pathogen is known - less resistance)
What are broad spectrum antibiotics
Aminoglycosides
Tetracyclines
Amoxicillin and Ampicillin
Quinolones
Chloramphenicol
What are examples of notifiable disease
Anthrax
Botulism
Brucellosis
Cholera
COVID-19
Diarrhoea (infectious bloody)
Diphtheria
Encephalitis (acute)
Food poisoning
Haemolytic uraemic syndrome (HUS)
Haemorrhagic fever (viral)
Hepatitis (acute infectious)
Legionnaires’ disease
Leprosy
what are examples of notifiable diseases (2)
Malaria
Measles
Meningitis (acute)
Meningococcal septicaemia
Mpox (monkeypox)
Mumps
Paratyphoid fever
Plague
Poliomyelitis (acute)
Rabies
Rubella
Severe acute respiratory syndrome (SARS)
Scarlet fever
Smallpox
Streptococcal disease (Group A, invasive)
Tetanus
Tuberculosis
Typhoid fever
Typhus
Whooping cough
Yellow fever
what are the antimicrobial priniciples
- do not treat viral infections with antibacterials or Self-limiting
- take sample and culture
- know the organism as narrow-spectrum antibiotics are preferred
- dose chosen should consider liver, kidney, weight and severity of infection
- route depends on severity of infection IV = Serious infection or ORAL n/a. IM = Avoid in Children
- duration of therapy
What is an important counselling for patient using antibiotics?
Complete the Course
When should patients seek medical help?
- Symptoms worsen rapidly or do not improve
- Systemically very unwell
3.Problems with treatment
How do you chose the right antibiotic
- Patient needs
- Bacteria involved
- Resistance
What are the patient needs with antibiotics?
Penicillin Allergy - cross sensitive to Cephalosporins and beta-lactams
- Offer Macrolide or Metronidazole in dental infections
Which antibiotics are avoided in children
- Tetracyclines (Not under 12
- Quinolones
What do you consider in elderly patients
- Renal and Liver impairment
- Drug Interactions
- increased susceptibility to C.diff
What are antibiotic choices in renal impairment
AVOID - Tetracyclines except minocycline/doxycycline which are caution
Nitrofuratoin >45ml/min
What medicines are nephrotoxic?
Aminoglycosides and Glycopeptides
what antibiotics are hepatoxic
Tetracyclines and Rifampicin
What medicines are cautioned in liver impairment
Flucloxacillin and Co-amoxiclav cause cholestatic jaundice
metronidazole dose reduce if significant impairment
What medicines are avoided in pregnancy
Tetracyclines, Trimethoprim (First Trimester) Nitrofurantoin at term (3rd trimester causes Nausea)
Metronidazole
Quinolones - Arthropathy
Chloramphenicol
Aminoglycosides (IV especially)
Sulfonamides
What antibiotics are safe in pregnancy
Penicillin and Cephalosporins