Parasitic diseases, caused by protozoa, helminths, and ectoparasites, affect billions, especially in tropical areas. Transmission occurs via vectors like mosquitoes, snails, sandflies, or through contaminated water, soil, or food. Symptoms include fever, diarrhea, anemia, itching, and fatigue. Diagnosis uses stool samples, blood smears, or imaging. Treatments include antiparasitic drugs like ivermectin and praziquantel, with herbal […]