Complete adverse effect profile including incidence rates and management
Important Safety Information
This is not a complete list of all possible side effects. Contact your healthcare provider if you experience any unexpected symptoms. For serious or life-threatening side effects, seek emergency medical attention immediately.
Hypokalemia (low potassium) — most common electrolyte effect
Hyponatremia (low sodium)
Increased blood glucose (hyperglycemia)
Increased uric acid (hyperuricemia — may precipitate gout)
Increased total cholesterol and LDL (mild)
Photosensitivity (sun sensitivity)
Polyuria (frequent urination — especially early in treatment)
Severe hyponatremia (especially in elderly — can cause falls, confusion, seizures)
Severe hypokalemia — cardiac arrhythmias
Hypercalcemia (thiazides reduce calcium excretion)
Acute hypersensitivity reactions including pancreatitis (rare)
Thiazide-induced pulmonary edema (very rare)
Aplastic anemia, agranulocytosis (very rare)
SLE exacerbation
Like all medications, Hydrochlorothiazide can cause side effects. However, not everyone who takes this medication will experience them. Many side effects are dose-dependent and may improve as your body adjusts to the medication. Others may require dose adjustment or medical attention.
Contact your healthcare provider promptly if you experience:
Seek immediate emergency medical care if you experience signs of: