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Tetany in kala azar patients treated with paromomycin
1Balaji Utthan Sansthan, Patna, India. cpthakur1@rediffmail.com
Abstract:
Paromomycin, an aminoglycoside, is known to cause several side effects like nephrotoxicity and ototoxicity like other aminoglycosides but tetany has not been reported. Three cases of tetany were detected in the patients of kala-azar treated with paromomycin. They were promptly treated with intravenous 10 per cent calcium gluconate and tetany was relieved immediately and treatment with paromomycin continued with oral calcium supplement. After completion of 21 days treatment with paromomycin patients' splenic aspirates were free of parasites. Paromomycin may cause temporary tubular damage leading to calcium wasting in urine and hypocalcaemia resulting in tetany. Prompt detection of symptoms and intravenous calcium gluconate treatment promptly reverse the situation.
Insights
Paromomycin treatment for kala-azar can cause tetany, a rare side effect. Prompt calcium gluconate treatment effectively manages this condition, allowing for continued paromomycin therapy.
Area of Science:
- Pharmacology
- Tropical Medicine
- Nephrology
Background:
- Paromomycin, an aminoglycoside antibiotic, is used to treat visceral leishmaniasis (kala-azar).
- Aminoglycosides are known for potential nephrotoxicity and ototoxicity.
- Tetany has not been previously reported as a side effect of paromomycin.
Observation:
- Three patients treated for kala-azar with paromomycin developed tetany.
- Tetany symptoms were promptly resolved with intravenous calcium gluconate.
- Paromomycin treatment was continued with oral calcium supplementation.
Findings:
- Paromomycin may induce temporary tubular damage, leading to urinary calcium loss and hypocalcemia.
- Hypocalcemia is the likely cause of tetany observed in these patients.
- Successful treatment of tetany with calcium gluconate allowed for completion of paromomycin therapy.
Implications:
- This finding expands the known side effect profile of paromomycin.
- Early detection and management of tetany with calcium are crucial for patients receiving paromomycin.
- Further research into paromomycin-induced hypocalcemia and renal tubular effects is warranted.
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