Biltricide
600mg
Praziquantel 600mg tablets, used for schistosomiasis and liver flukes. It makes the parasite's membrane permeable to calcium, causing paralysis.
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Schistosomiasis
Schistosomiasis is caused by Schistosoma parasites acquired when contaminated freshwater larvae penetrate skin. Illness can appear soon after exposure or years later through inflammation around parasite eggs.
Key points
- Exposure may be followed by an itchy rash, fever or cough, while chronic disease can affect the bowel, liver, urinary tract or other organs.
- Travel and freshwater history guide stool, urine, blood or imaging tests; timing matters because early tests can be negative.
- Praziquantel treats adult worms, but species, timing, pregnancy and organ complications affect the plan and follow-up.
Catalogue matches do not confirm schistosomiasis or establish the correct treatment timing.
Why can symptoms appear late?
Adult worms can persist, while eggs trapped in tissue drive inflammation and scarring. Blood in urine, bloody stool, abdominal swelling or liver findings may reflect chronic involvement rather than a recent stomach infection.
What does testing need to establish?
The likely species and organ site influence specimen choice and interpretation. Treatment does not reverse every established complication, and repeat testing or treatment may be needed under clinical guidance. See antiparasitics for related entries.
When to seek urgent care
Seek urgent care for vomiting blood, heavy urinary or bowel bleeding, severe abdominal swelling, confusion, seizure, new weakness or breathing difficulty.