Chikungunya is an alpha viral infection which generally occurs in epidemics. The term Chikungunya is SWAHILI derived from KUNGUN’\ALA meaning to become contorted or more specifically as that which bends up. This refers to the stooped posture of patients afflicted by severe joint pains which accompany the disease. Aetiology Chikungunya virus (CHIKV) is… Continue Reading Chikungunya – Causes, Symptoms, Diagnosis and Treatment

Dengue fever is a viral disease transmitted by mosquito Aedes Aegyhti or other species of this genus. It is endemic in many countries of ASIA, AFRICA central and South America, All ages and both sexes are liable to get infection. The virus is filterable and four sero types called DEN-I,… Continue Reading Dengue fever – Causes, Symptoms, Diagnosis and Treatment

Cutaneous leishmaniasis (oriental sore) is an infective granulomatous lesion of the skin and subcutaneous tissues causing either a papular lesion which ulcerates later on (Dry type) or one with early kind (MOIST Type). Cutaneous leishmaniasis is caused by L. tropica and L. major. L. tropica is endemic in India, urban areas… Continue Reading Cutaneous leishmaniasis (oriental sore) – Causes, Symptoms, Diagnosis and Treatment

Kala azar means dark pigmentation which is characteristic of cases of visceral leishmaniasis. It is caused by Leishmania donovani bodies and may be present either in endemic, epidemic or sporadic forms. It is widely prevalent in India in epidemic form in states of Bihar, Assam and Bengal. Kala azar found… Continue Reading Visceral leishmaniasis (kala azar) – Causes, Symptoms, Diagnosis and Treatment

Leishmaniasis denotes diseases caused by protozoa belonging to genus LEISHMANIA and consists of number of diseases but the important one are: 1. Leishmania donovani causing visceral type (Kala azar) 2. L. Tropica major and minor causing oriental sore. 3. L. Mexicana and L. Braziliensis responsible for cutaneous and muco cutaneous. The… Continue Reading Leishmaniasis – Causes, Symptoms, Diagnosis and Treatment

Leprosy, also known as Hansen’s disease, is a disease virtually confined to humans is of world wide distribution. It is caused by acid fast bacillus. Mycobocterium leprae. Leprosy can involve a person of any age though it does not occur in infants. It is more common in males as compared… Continue Reading Leprosy (hansen’s disease) – Causes, Symptoms, Diagnosis and Treatment

It is an acute infectious disease caused by powerful exotoxin. ‘Tetanospasmin’ produced by clostridium tetani and is characterized by increased muscle tone, rigidity and tonic spasm of the masseter and skeletal muscles. Tetanus occurs when a wound (big or small) or even a scratch is contaminated by the organism especially… Continue Reading Tetanus – Causes, Symptoms, Diagnosis and Treatment

Rabies (hydrophobia) is an acute viral disease characterized by inflammation of the central nervous system with fatal results. It is primarily a disease of animals and all warm blooded are susceptible to the infection. The main sources of infection in man are dogs, monkeys, cats and wild animals. The Rabies (hydrophobia) disease… Continue Reading Rabies (hydrophobia) – Causes, Symptoms, Diagnosis and Treatment

Q fever is an acute febrile illness caused by Rickettsia burnetti which is smaller than true rickettsia. The disease is spread to humans by handling of infected material as well as by inhalation of infected dust and even by drinking infected milk. It is found mainly in persons handling live stock… Continue Reading Q fever – Causes, Symptoms, Diagnosis and Treatment

Trench fever is an uncommon disease transmitted from man to man by the body louse. The organism is Rickettsia quintania. The incubation period is 10 to 30 days and onset is sudden characterized by headache giddiness, pain in the body and a rapidly rising temperature. There is associated chill and sweating.… Continue Reading Trench fever – Causes, Symptoms, Diagnosis and Treatment