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Written By
P. Thirumal Reddy
B. Pharm

Reviewed By
Dr. Tejashwin Adiga
MBBS
Last updated : 31 Mar 2026 | 09:30 AM (IST)

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TELMISARTAN,CHLORTHALIDONE
Last updated on 31 Mar 2026 | 09:30 AM (IST)
TELMISARTAN,CHLORTHALIDONE
Background and Date of approval TELMISARTAN,CHLORTHALIDONE
Telmisartan+Chlorthalidone is a combination medication that contains two active ingredients, telmisartan, and chlorthalidone. This combination is primarily used to treat high blood pressure (hypertension). This makes it convenient for patients requiring an angiotensin II receptor blocker (ARB) and a diuretic for managing blood pressure. Instead of taking two pills, patients can take a single tablet, simplifying the medication regimen. Telmisartan belongs to a class of medications known as angiotensin II receptor blockers (ARBs). Chlorthalidone is a diuretic commonly called a "water pill." Telmisartan received FDA approval on October 28, 1998, and Chlorthalidone in 1988.
Uses of TELMISARTAN,CHLORTHALIDONE
Telmisartan+Chlorthalidone medicine used to treat hypertension, chronic kidney disease, and diabetic nephropathy (kidney condition caused by long-standing diabetes).
How is TELMISARTAN,CHLORTHALIDONE administered?
To use Telmisartan+Chlorthalidone tablets, follow your doctor's instructions precisely. Take the tablets orally with a glass of water, either with or without food. Taking the medication simultaneously daily is important to maintain a consistent routine. Do not adjust the dosage or stop taking the medication without consulting your healthcare professional.
Side Effects of TELMISARTAN,CHLORTHALIDONE
Telmisartan+Chlorthalidone tablets may cause various side effects. Common side effects include dizziness, headache, fatigue, increased urination, muscle cramps or weakness, and low blood pressure symptoms such as feeling faint or lightheaded. Serious side effects can include allergic reactions, severe dizziness or lightheadedness, fainting, high potassium levels, and liver problems.
Warnings
Telmisartan+Chlorthalidone tablets carry several warnings. These include the potential for hypotension (low blood pressure), electrolyte imbalances, caution in individuals with renal or hepatic impairment, the risk of allergic reactions, contraindication during pregnancy and breastfeeding, the possibility of hyperkalemia (high potassium levels), increased risk of gout attacks, impact on blood glucose levels in diabetes.
Precautions
When taking Chlorthalidone, exercise caution by informing your healthcare professional about existing medical conditions, monitoring blood pressure and electrolyte levels, using caution when operating machinery or driving, avoiding excessive sunlight exposure, staying hydrated, and seeking immediate medical attention for allergic reactions or severe side effects. Consult your healthcare professional for personalized advice.
Word of Advice
While taking Telmisartan+Chlorthalidone tablets, inform your healthcare professional about any existing medical conditions, including kidney or liver problems, diabetes, asthma, or gout, as dose adjustments or alternative treatments may be required. Regularly monitoring blood pressure, electrolyte levels, kidney function, and blood glucose levels is crucial. Staying hydrated and maintaining a balanced diet with adequate salt intake is advisable. If you experience any allergic reactions, difficulty breathing, swelling, or severe side effects, seek immediate medical attention. Finally, always consult your healthcare professional for personalized guidance and adhere to their recommendations throughout treatment.
Frequently Asked Questions
Q1.
Can Telmisartan+Chlorthalidone be used in elderly patients?
Telmisartan+Chlorthalidone can be used in elderly patients, but caution is advised due to the potential for age-related kidney and liver impairment. Close monitoring of kidney and liver function, as well as blood pressure, is important to ensure the safety and effectiveness of the medication.
Q2.
Can Telmisartan+Chlorthalidone cause weight changes?
Weight changes, such as weight loss or weight gain, are not commonly reported side effects of Telmisartan+Chlorthalidone. However, individual responses may vary, and if you notice any significant changes in your weight while taking the medication, it is recommended to discuss it with your healthcare professional.
Q3.
Can Telmisartan+Chlorthalidone be used for diabetes management?
Telmisartan, one of the components in Telmisartan+Chlorthalidone, belongs to a class of medications called angiotensin II receptor blockers (ARBs), which may benefit individuals with diabetes. However, the use of this medication for diabetes management should be determined by your healthcare professional, considering your specific needs and treatment plan for diabetes.
Q4.
Can Telmisartan+Chlorthalidone be used for heart failure?
Telmisartan+Chlorthalidone may be prescribed for heart failure in certain cases, but your healthcare professional determines its use based on your condition and medical history. Other medications specific to heart failure management may also be prescribed, and close monitoring is necessary to ensure the optimal management of your heart failure.
Q5.
Can Telmisartan+Chlorthalidone cause electrolyte imbalances as a side effect?
Yes, Chlorthalidone, as a diuretic component, can cause electrolyte imbalances, including low levels of potassium, sodium, and magnesium. Regular monitoring of electrolyte levels through blood tests is important, especially if you have underlying kidney problems or heart failure or if you are taking other medications that can affect electrolyte levels.
Q6.
Can Telmisartan+Chlorthalidone be used for children?
Telmisartan+Chlorthalidone is typically not recommended for use in children. The safety and effectiveness of this medication in pediatric populations have not been established, and alternative treatments may be considered for children with hypertension or other related conditions.
References
- J Clin Diagn Res et al, The Antihypertensive Efficacy of Chlorthalidone and Telmisartan in Indian Hypertensive Patients who were Uncontrolled with Hydrochlorothiazide and Telmisartan Combination-A Prospective and an Open-Label Study, [Published on April 2013], [Accessed date 25 June 2023], https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3644445/
- HanAll BioPharma Co., Ltd., Pharmacokinetic Interactions and Safety Study of Telmisartan and Chlorthalidone, [Published on April 2013], [Accessed date 25 June 2023], https://classic.clinicaltrials.gov/ct2/show/NCT01806363
Disclaimer
The drug information on this page is different from medical advice. It is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you can receive this treatment.






