Spirix
Spirix helps your body get rid of extra fluid by making you pee more, without losing important potassium.
Form
tabletti
Strength
25 mg
Active Ingredient
Spironolactone
Manufacturer
Orifarm Healthcare A/S
How to Use
Dosage
Your doctor will prescribe the correct dose, usually 25–200 mg once a day or divided into two doses.
Method
Take the tablets with fluid during a meal, as this helps your body absorb the medicine better. You can divide the tablet by pressing lightly.
Important
Usually no more than 200 mg per day.
Possible Side Effects
COMMON
- •Breast enlargement in men (gynecomastia)
- •Menstrual disorders (irregular, missed periods, post-menopausal bleeding)
- •Nausea
- •Diarrhea
- •Drowsiness
- •Fatigue
- •Headache
- •Impotence
RARE
- •High potassium in blood (hyperkalemia) or low sodium in blood (hyponatremia)
- •Confusion
- •Muscle cramps
- •Numbness or tingling sensation (paresthesia)
- •Skin rash, redness, or itching
- •Increased creatinine levels in blood (a sign of kidney function)
- •Low white blood cells or platelets
- •Sudden kidney failure
- •Dizziness
- •Benign breast lumps or breast pain
- •Liver problems
- •Hair loss or excessive hair growth (virilization in women)
- •Skin blistering condition (pemphigoid)
Important Warnings
- Do not use if you are allergic to spironolactone or any other ingredient in this medicine.
- Do not use if you have sudden kidney failure, no urine output, too much potassium in your blood, or adrenal gland problems (Addison's disease).
- Be careful if you take other potassium-sparing diuretics, potassium supplements, potassium-containing food supplements (like Pansalt), or certain blood pressure medicines (ACE inhibitors or AT2 receptor blockers), as your blood potassium level could become too high.
- Symptoms of high potassium can include muscle cramps, irregular heartbeat, diarrhea, nausea, dizziness, or headache. Tell your doctor immediately if you experience these symptoms.
Use in Elderly Patients
Category C
Suitable for older adults, with specific precautions. Reduce the dose in moderately severe renal impairment. Do not use in severe renal impairment. Consider risk of hyperkalaemia.. (updated 19.5.2025)