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Lychas mucronatus
General Details, Taxonomy and Biology, Venom, Clinical Effects, Treatment, First Aid , Antivenoms
Lychas mucronatus female (Thailand)  [ Original photo copyright © Eric Ythier ]
Family: Buthidae
Genus: Lychas
Species: mucronatus
Region
Southeast Asia + North Asia
Countries
Cambodia, China, Indonesia, India, Japan, Laos, Malaysia, Myanmar, Thailand, Vietnam
 
Taxonomy and Biology
Adult Length ( mm ): 40 mm
 
Venom
General: Venom Neurotoxins
Unknown
General: Venom Myotoxins
Unknown
General: Venom Procoagulants
Unknown
General: Venom Anticoagulants
Unknown
General: Venom Haemorrhagins
Unknown
General: Venom Nephrotoxins
Unknown
General: Venom Cardiotoxins
Unknown
General: Venom Necrotoxins
Unknown
General: Venom Other
Unknown
 
Clinical Effects
General: Dangerousness
Mild envenoming only, not likely to prove lethal
General: Rate of Envenoming: Unknown but likely to be low
General: Untreated Lethality Rate: Unlikely to prove lethal
General: Local Effects
Local pain & swelling
General: Local Necrosis
Does not occur, based on current clinical evidence
General: General Systemic Effects
Variable non-specific effects which may include headache, nausea, malaise. These only occur in a minority of cases.
General: Myotoxicity
Does not occur, based on current clinical evidence
General: Coagulopathy & Haemorrhages
Does not occur, based on current clinical evidence
General: Renal Damage
Does not occur, based on current clinical evidence
General: Cardiotoxicity
Does not occur, based on current clinical evidence
General: Other
Does not occur, based on current clinical evidence
 
First Aid
Description: First aid for scorpion stings (in areas where no potentially dangerous species may be found)
Details
1. Reassure the victim. Despite sometimes intense local pain, usually lasting less than one hour, these scorpions are not able to cause major of lethal envenoming and most stings will settle rapidly.
2. Do not apply a bandage or tourniquet, or cut, suck or incise the wound or apply electric shock. Neither the application of local heat or cold are proven as effective.
3. If the victim develops general symptoms or the pain remains severe after one hour, seek medical advice.
 
Treatment
Treatment Summary
Stings by these scorpions are likely to cause only short lived local effects, such as pain, without systemic effects. Treatment is therefore reassurance and symptomatic, with analgesia only for severe and persistent pain, as short lived pain will likely resolve before analgesics can take effect. Update tetanus immune status. Be more cautious in young children, observing for several hours post-sting. No antivenom is available, or is required.
Key Diagnostic Features
Not well defined. Most likely limited to local pain ± local swelling, without significant systemic effects. See detailed clinical summary for more specific detail, if known.
General Approach to Management
Most cases will be minor & not require admission.
Antivenom Therapy
No antivenom available
Antivenoms
No Antivenoms
Lychas mucronatus female (Thailand) [ Original photo copyright © Eric Ythier ]
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Lychas mucronatus juvenile (Thailand) [ Original photo copyright © Eric Ythier ]
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