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Common Krait
 
 
Description
  • India’s 1st & World’s 2nd lethal poisonous snake
  • Average length 100 cm thin
  • Shining black in colour
  • About 40 white bands are observed
  • Very short & sharp poisonous teeth in upper jaw covered with mucous membrane
  • Smooth – scaled
  • Head slightly broader than neck
  • Eye entirely black, round pupil not visible in life.
  • Glossy black pale faided bluish-gray or dark brownish-black above with narrow white bands that continued to pointed tip of short tail.
  • Tongue Pinkish red
  • Scales under tail entire and resemble belly scales. Young often marked throughout.
  • Inject 20-22 mg. venom/bite,
  • Lethal dose is just 0.5 mg. of venom,
Behavior
  • Nocturnal; alert and active at night
  • By day has been found resting in termite mounds, rodent burrows, piles of brick and rubble, and even rolled up carpets.
  • Often found in farms and gardens near water.
  • Eats snakes (even other kraits), sometimes rodents, lizards and frogs.
  • Lays 8-12 Eggs between march-May which hatch about 60 days later. The female stays with eggs during incubation
  • Produces the most potent venom of all our land snakes.
  • Bites usually happens at night but are not painful like a Cobra or Viper bite.
  • There are usually records of people asleep on the ground being bitten by this snake.
  • A suspected krait bite must be treated at hospital without any further delay
 
Krait
 
INCIDENCE OF BITES
 
  • Most commonly it bites during night hours, from mid night to 4 am early morning, to the people sleeping on the ground. Because the Krait hides in the bed of human to get warmness. It bites only for defense purpose. It bites mostly at ear lobule, cheek, around neck , chest and abdomen.
  • Incidence Only and only during monsoon,
  • More during start of season,
  • Poisonous effect starts from ½ hour to 8 hours.
 
SIGNS & SYMPTOMS
 
  • Bite mark mostly not seen,
  • Local swelling rarely found,
  • Body weakness,
  • Drooping of eyelids,
  • Difficulty in respiration,
  • Respiratory arrest,
  • Cardiac arrest,
  • Convulsion,
  • May be no sign symptoms (no need of Inj. ASVS),
  • Death.
 
Investigations
 
Investigations
 
 
  • Laboratory : CBC, Sugar, Urea, S. Creatinine,
  • X-ray Chest to rule out other disorders, ECG,
 
MANAGEMENT
KraitManagement
 
  • Mild Effect
  • Inj. TT,
  • Antibiotics,
  • Antibiotics,
  • Inj. ASVS in infusion,
  • Always ready for intubation,
  • Inj. ASVS till respiration at comfort.
  • Moderate Effect
  • inj. TT,
  • Antibiotics,
  • IV fluids,
  • Inj. ASVS in infusion,
  • Intubation & suction,
  • Inj. ASVS till respiration at comfort.
  • Severe Effect
  • Inj. TT,
  • Antibiotics,
  • IV fluids,
  • Inj. ASVS in infusion,
  • Intubation & artificial respiration,
  • Cerebral edema management,
  • Anticonvulsant,
  • Tracheostomy,
  • Inj. ASVS require till spontaneous respiration,
  • Respiratory support may require for 15 days,
  • Signs of bad prognosis: hypothermia & hypotension,
  Dr. D. C. Patel M. S. (Gen. Surg.)
     
 

Wide Experience in treating Snake bite patients since last 18 years, with having very less mortality. In year 2004, 449 patients were treated & NOT A SINGLE DEATH WHILE TREATMENT.
(0% Mortality) .

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