سعر Renal-S 12 sachets 2026

Oral sachets (12) listed by an Egyptian pharmacy retailer with piperazine, khellin and hexamine as active ingredients.

• Minor reactions in <3.5% of patients: nausea, upset stomach, dysuria and rash (methenamine hippurate).General active-ingredient information · DailyMed (U.S. National Library of Medicine)

• Methenamine is contraindicated in renal insufficiency, severe hepatic insufficiency or severe dehydration, and with sulfonamides (insoluble precipitate with formaldehyde in urine).General active-ingredient information · DailyMed (U.S. National Library of Medicine)

• Large doses of methenamine (8 g daily for 3-4 weeks) have caused bladder irritation, painful frequent micturition, albuminuria and gross haematuria; maintain acid urine for activity.General active-ingredient information · DailyMed (U.S. National Library of Medicine)

• SulfonamidesSome sulfonamides may form an insoluble precipitate with formaldehyde in the urine; do not co-administer.DailyMed (U.S. National Library of Medicine)
• Urinary alkalinising agents and foodsAntibacterial activity of methenamine depends on acid urine; alkalinising agents reduce efficacy.DailyMed (U.S. National Library of Medicine)