Image credit singleblackmale.org

Image credit singleblackmale.org

ZIMSEC O Level Combined Science Notes: Sexually Transmitted Infections (STIs)

DiseaseCausative OrganismSignsSymptomsTreatment
ChancroidBacterium

  • Sores on penis/vagina

  • Swollen glands in groin

Pain from sores and glandsAntibiotics
GonorrhoeaBacteriumMale

  • Inflammation of the penis

  • Yellow discharge


Female

  • Pus and discharge


  • Pain during urination

  • But may be unnoticed

Antibiotics
SyphilisBacterium

  • Sore(s) on penis or vagina (a week after infection)

  • Spots on skin

  • Blindness and insanity (long term)

Mild feverAntibiotics (if treated early)
HIV/AIDSVirus

  • Skin sores

  • Weight loss

  • Persistent cough

  • Diarrhoea

  • Swollen glands

  • Low white blood cell count


  • Pneumonia

  • No immunity/Depressed immunity

  • Fevers

  • Fatigue


  • No cure yet

  • Use of ARVs to prolong life

  • Leading a healthy life to prolong life

To access more topics go to the Combined Science Notes page