Clinical features of malaria .

1.. Febrile Paroxysm -  Each paroxysm shows a succession of 3 stages and lasts for 6 to 10 Hrs .

a)      The cold stage -  The fever will start with rigor or cold stage . This stage lasts for 1 to 2 Hrs and it is followed by rise of teprature .

b)      The hot stage – This stage lasts for 1 to 4 hours with a feeling of warmth , headache ,and vomiting . The temperature may rise upto 105*F or more .

c)       (c)The sweating stage – This stage lasts for 2 to 3 Hrs . In this stage , the patient has rofuse sweating  and feels comfort .

Types of Fever

a)      Plasmodium vivax produces benign tertuian fever with a 48 Hrs cycle . Fever with quotidian periodicity , in double infection with plasmodium vivax is also noticed .

b)      Plasmodium falciparum produces malignant tertian malaria or pernicious malaria and also black water fever . Fever with tertian periodicity with a 48 Hrs cycle is noticed .

c)       Plasmodium malariae produces quartan fever with a 72 Hrs cycle . Fever with quotidian periodicity , onn triple infections with Plasmodium malariae is also noticed .

d)      Plasmodium ovale produces tertian malaria .

2.. Anaemia – Due to breakdown of R.B.C , anaemia of microcytic or macrocytic hypochromic type develop .