Hydrex Semi
Hydrex tablets are diuretics that help remove excess fluid from the body, lowering blood pressure and reducing swelling.
Form
tabletti
Strength
25 mg
Active Ingredient
Hydrochlorothiazide
Manufacturer
Orion Corporation
How to Use
Dosage
Take as prescribed by your doctor; the dosage is individual.
Method
Swallow the tablets with enough fluid, such as a glass of water, and take them regularly. The tablets can be divided into two equal doses.
Important
Take the maximum daily dose prescribed by your doctor.
Possible Side Effects
COMMON
- •Low blood potassium levels
- •High blood uric acid levels
- •High blood sugar
- •High blood fat levels with high doses
- •Dizziness, headache, weakness, fatigue
RARE
- •Blood electrolyte disturbances, such as high calcium, low magnesium, sodium, chloride, and/or phosphate
- •Loss of appetite
- •Heart rhythm disorders
- •Low blood pressure when standing up
- •Vomiting, nausea, severe stomach pain, diarrhea, constipation
- •Rash, hives
- •Sensitivity to light
- •Low white blood cell and/or platelet count
- •Anemia
- •Allergic reaction, red spots on skin
- •Sleep disturbances, depression, tingling/numbness
- •Vision disturbances
- •Vasculitis, allergic lung inflammation, pulmonary edema, pancreatitis, hepatitis, interstitial nephritis, intrahepatic cholestasis
- •Toxic epidermal necrolysis
- •Kidney failure
- •Impotence
- •Fever
- •Acute respiratory distress (signs include severe shortness of breath, fever, weakness, and confusion)
- •Skin and lip cancer (non-melanoma skin cancer)
- •Eye pain due to high eye pressure
Important Warnings
- Do not take if you are allergic to hydrochlorothiazide, other ingredients in this medicine, or if you have a sulfa allergy.
- Do not take if you have too low potassium levels or too high calcium levels in your blood.
- Do not take if you have severe kidney or liver failure.
- Talk to your doctor if you have disturbances in your body's fluid or electrolyte balance.
- Talk to your doctor if you have heart failure and severe swelling.
Show 11 more warnings
- Talk to your doctor if you have liver cirrhosis.
- Talk to your doctor if you have Addison's disease.
- Talk to your doctor if you have gout.
- Talk to your doctor if you have diabetes.
- Talk to your doctor if you have SLE (Systemic Lupus Erythematosus).
- Contact a doctor immediately if you experience blurred vision or eye pain.
- Contact a doctor immediately if you develop severe shortness of breath or breathing difficulties after taking Hydrex tablets.
- Talk to your doctor if you have had skin cancer or if you develop an unexpected skin lesion during treatment. Protect your skin from sunlight and UV rays.
- Hydrex is not recommended during pregnancy as it may cause harm to the fetus and newborn.
- Do not use Hydrex tablets during breastfeeding.
- Talk to your doctor if you have an intolerance to some sugars, as this medicine contains lactose.
Use in Elderly Patients
Category C
Suitable for older adults, with specific precautions. Effectiveness is reduced in renal impairment. Consider risk of orthostatic hypotension and hyponatraemia and -kalemia. (updated 19.5.2025)