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R18 Homeopathic medicine Kidney and bladder conditions – drainage


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R18 Kidney and bladder conditions – drainage


Inflammatory conditions of the kidneys; renal calculi; sharp, stinging pains in the kidneys (renal area), pains in the sacral region.  Peritonitis; metritis; piercing pains in the bladder; cystitis, cystopyelitis; burning sensations upon urination; turbid, yellow urine.

Mode of action

Berberis vulgaris: Sharp, stitching or colicky pains which originate in the renal region and radiate, pains are worse from pressure; pains in the sacral region, low back pain; rigidity and numbness of the back; painful renal calculi; cystitis.

Cantharis: Dull pains in the renal region; burning pains during urination, dysuria and tenesmus.  Urine is passed drop by drop, appearance of urine is albuminous, blood-tinged; cystitis, urethritis, pyelonephritis.

Dulcamara: Irritation of the bladder; constant and painful urge to urinate; during urinating, there is an abundance or lack of urine, urine is offensive, coloured, and albuminous.  Paralysis of the bladder which is aggravated by cold, damp weather; specific effect on the cystic mucosa; cystitis, nephritis.

Equisetum hyemale: Exerts similar effects on the kidneys and bladder as Cantharis, due to its content of silica. However, there is less bladder tenesmus and hemorrhagic urine.  Enuresis; bladder irritation (mainly in women); excessive elimination of uric acid (causing pain during urination); cystitis.

Eupatorium purpureum: Indicated in cases of bladder irritation and urinary tract infection; frequent urge to urinate, painful urination, with an abundance of, or lack of urine; urine is coloured and albuminous; characteristic dull renal pains; sensation of pressure in the bladder.

Remedies to be considered

  • Drainage remedy

  • Prostatitis: alternate R25 with R18, BC-10

  • Nephrolithiasis; renal calculi: R27 additionally, 5-10 drops twice daily

  • Albuminuria, nephrosis and chronic nephritis: R64 additionally

  • Hypertension: BIO 85, R185

  • Fungal infections of the urinary tract: BIO 82

  • Bacterial infections: BIO 87

Clinical experience

  • Regarded as a drainage formula.

  • Acutely, may be administered in alternation with R1 every 30-60 minutes.

  • On a chronic basis as a drainage remedy, 5-10 drops 3 times daily for 4-6 weeks.

Ingredients | Drops

Berberis vulgaris D4 1 g, Cantharis D4 1 g, Dulcamara D4 1 g, Equisetum hyemale D6 1 g, Eupatorium purpureum D3 1 g.

Non-medicinal ingredients: ethanol, purified water

Ingredients | Tablets

Berberis vulgaris D4, Cantharis D4, Dulcamara D4, Equisetum hyemale D6, Eupatorium purpureum D4 ana 20 mg.

Non-medicinal ingredients: croscarmellose sodium, monohydrate lactose, magnesium stearate.

Dosage Drops

Adults and children (ages 12 and up) 5-10 drops 1-3 times daily, acute cases 4-6 times in a little water or undiluted or as directed by a healthcare practitioner

Cautions and warnings

  • Consult a healthcare practitioner if symptoms persist or worsen.

  • Consult a healthcare practitioner before use if you are pregnant or breastfeeding.

For more information, please consult your healthcare practitioner.

DIN-HM 80017017