Hydrochlorothiazide can cause dehydration, so drink plenty of fluids. Monitor your blood pressure regularly, as HCTZ can lower it significantly. Report any dizziness or lightheadedness to your doctor immediately.
Some people experience electrolyte imbalances, such as low potassium (hypokalemia). Your doctor might order blood tests to check your potassium levels. Eating potassium-rich foods like bananas and spinach can help, but always discuss dietary changes with your healthcare provider.
Less common, but still possible, side effects include:
| Nausea | Common | Take medication with food. If persistent, contact your doctor. |
| Headache | Common | Over-the-counter pain relievers may help, but consult your doctor if headaches are severe or persistent. |
| Muscle cramps | Occasional | Increase potassium intake (under doctor’s supervision), stay hydrated. |
| Allergic reactions (rash, itching, swelling) | Rare | Stop taking the medication and seek immediate medical attention. |
Before starting HCTZ, inform your doctor about all your medical conditions, especially kidney or liver disease, diabetes, gout, and lupus. Pregnant or breastfeeding women should discuss HCTZ use with their doctors.
This information does not substitute for professional medical advice. Always consult your physician or pharmacist for personalized guidance and to address any concerns regarding your medication.
