Indications
- Hydrochlorothiazide is used to treat high blood pressure, preventing strokes, heart attacks, and kidney problems.
- Belongs to the diuretics class, causing increased urine production to eliminate extra salt and water.
- Also treats fluid retention (edema) due to conditions like heart failure, liver, or kidney disease.
Dosage and administration
- Take orally once daily in the morning, with or without food, preferably 4 hours before bedtime.
- Dosage based on medical condition and response; use regularly even if feeling well.
- If taking cholesterol-lowering drugs, separate intake by at least 4 hours.
Side effects
- Common side effects may include upset stomach, dizziness, or headache during the medication adjustment period.
- If these effects persist or worsen, inform your doctor or pharmacist promptly.
- The medication is prescribed because its benefits are deemed greater than the risk of side effects.
- Many users don’t experience serious side effects.
- Immediately notify your doctor of serious side effects such as vision decrease or eye pain.
- The medication may lead to dehydration and electrolyte imbalance.
- Contact your doctor promptly if you experience symptoms like extreme thirst, very dry mouth, muscle cramps, irregular heartbeat, confusion, or reduced urination.
- While a severe allergic reaction is rare, seek immediate medical help if you observe symptoms such as rash, itching, swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.
- The provided list of side effects is not exhaustive; contact your doctor or pharmacist if you notice other effects not mentioned.
Precautions
- Inform your doctor or pharmacist about any allergies to hydrochlorothiazide or other substances.
- Discuss your medical history with your doctor or pharmacist, especially if you have diabetes, gout, kidney disease, liver disease, lupus, or skin cancer.
- Be cautious about activities requiring alertness, as the drug may cause dizziness, and limit alcohol or marijuana use.
- Report prolonged sweating, diarrhea, or vomiting to your doctor to prevent dehydration; maintain fluid intake unless directed otherwise.
- If you have diabetes, monitor blood sugar regularly, and your doctor may adjust your treatment plan.
- Be aware of potential potassium level decrease; consult your doctor about potassium-rich foods or supplements.
- Use sun protection and limit sun exposure to reduce the risk of skin cancer, especially during prolonged medication use.
- Inform your surgeon or dentist about all medications, including prescriptions, over-the-counter drugs, and herbal products, before surgery.
- Older adults may be more susceptible to the drug’s effects, particularly dizziness.
- Discuss the use of hydrochlorothiazide during pregnancy with your doctor, considering risks and benefits.
- Consult your doctor before breastfeeding, as the drug passes into breast milk but is unlikely to harm the nursing infant.
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