Chlorthalidone + Metoprolol is a combination medicine used to manage high blood pressure (hypertension).
This combination is commonly used for:
• Hypertension (high blood pressure): Helps lower and control blood pressure through two complementary mechanisms.
• Reducing cardiovascular risk: Helps lower the risk of complications such as stroke and heart attack associated with poorly controlled blood pressure.
• Long-term blood pressure management: Used for ongoing control of blood pressure in people who need more than one medicine to reach their target levels.
Dizziness or lightheadedness
Tiredness
Headache
Upset stomach, nausea
Vomiting
Chlorthalidone + Metoprolol works through two separate mechanisms that together provide more effective blood pressure control.
Chlorthalidone is a thiazide-like diuretic. It works on the kidneys to increase the excretion of sodium and water, which reduces the volume of fluid in the blood vessels and helps lower blood pressure.
Metoprolol is a beta-blocker. It blocks the action of adrenaline on the heart, which slows the heart rate and reduces the force of each heartbeat. This lowers the workload on the heart and helps reduce blood pressure.
Together, Chlorthalidone and Metoprolol lower blood pressure through complementary actions, reducing fluid volume whilst easing the workload on the heart.

Doctor of Medicine

BAMS, FMC, MD Resident
Chlorthalidone + Metoprolol is available for oral administration in the form of combination tablets.
This medicine is typically prescribed for adults and children above 18 years of age.
Chlorthalidone + Metoprolol is contraindicated in patients with severe bradycardia (very slow heart rate), certain heart blocks, or arrhythmias, cardiogenic shock, decompensated heart failure, severe liver disease, and acute asthma attack.
This combination may interact with other blood pressure medications like ACE inhibitors (such as lisinopril, ramipril), ARBs (such as losartan, telmisartan), diuretics (like furosemide, torsemide), NSAIDs (like ibuprofen and naproxen) and antidepressants (like fluoxetine and bupropion)
Taking more than the prescribed dose may cause symptoms such as dizziness, an unusually slow heartbeat, low blood pressure, fainting, or difficulty breathing. If you suspect an overdose, seek emergency medical attention immediately.
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed one and continue with your regular schedule. Do not take a double dose to make up for a missed one.
Most side effects are temporary and generally harmless and resolve after discontinuing this medicine. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.
Balance adequate fluid intake to avoid dehydration due to excessive urination.
Rise slowly from a sitting or lying position to reduce dizziness.
Chlorthalidone + Metoprolol may cause dizziness, tiredness, or affect your vision. If you experience these effects, avoid driving or operating machinery until you feel safe to do so.
Chlorthalidone + Metoprolol should be used during pregnancy and lactation only if the potential benefit justifies the risk. Always consult your doctor before using this medicine during pregnancy and breastfeeding.
Patients with asthma, COPD, liver impairment, gout, lupus, severe allergies, and diabetes need to exercise caution while taking Chlorthalidone + Metoprolol.
Patients are advised to maintain a low sodium and low cholesterol diet to manage hypertension.
Regular physical activity is recommended as it helps in controlling blood pressure levels.
Frequently asked questions
Chlorthalidone + Metoprolol is not typically associated with weight gain. Metoprolol, a beta-blocker, may cause slight weight gain in some people, but this is not common. Chlorthalidone, a diuretic, usually causes fluid loss rather than weight gain.
Yes, Chlorthalidone + Metoprolol can be used for long-term management of hypertension, as prescribed by your doctor. Regular monitoring and blood tests will be required to ensure the medication's efficacy and safety.
Chlorthalidone + Metoprolol should not be stopped abruptly without consulting your doctor. A sudden cessation can cause a rebound increase in blood pressure and other withdrawal symptoms.
While it's rare, some people may experience mood changes like confusion or feeling depressed when taking Chlorthalidone + Metoprolol. If you notice such changes, it's important to consult your doctor immediately.
Yes, although rare, an allergic reaction to Chlorthalidone + Metoprolol can occur. Symptoms might include difficulty breathing, hives or swelling of the face, lips, tongue, or throat. If you experience any of these symptoms, seek medical attention immediately.
Chlorthalidone + Metoprolol is not associated with changes in menstruation. They are primarily used to manage blood pressure and heart conditions, with no known effects on the menstrual cycle.
No, Chlorthalidone + Metoprolol is not indicated for weight loss. It is a combination medicine used to manage hypertension or high blood pressure. It is essential to discuss any weight loss plans with your doctor as abrupt weight changes can impact your blood pressure.
Chlorthalidone + Metoprolol in other salts
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