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  3. Flothal-12.5 Tablet 10's

Flothal-12.5 Tablet 10's, Pack of 10
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
Flothal-12.5 Tablet 10's is used to treat high blood pressure, heart failure and oedema (a build-up of fluid in the body). It contains Chlorthalidone, which works by increasing the amount of urine that is passed out from the kidneys. Thereby it helps treat hypertension and oedema. In some cases, you may experience headaches, nausea or dizziness, which usually resolve over time. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.
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Side effects of Flothal-12.5 Tab
  • Talk to your doctor about oral potassium supplements.
  • Eat potassium rich foods such as bananas, avocados, oranges, dark leafy greens, beans and peas, fish, spinach, milk and tomatoes.
  • Limit intake of full-fat dairy products, red meat and processed foods rich in saturated fats.
  • Avoid foods with label “partially hydrogenated oils”.
  • Eat more vegetables, fruits, oats, whole grains, lentils and beans to increase fiber intake.
  • Include foods rich in monounsaturated fats like nuts, avocados, olive oil, and oily fish.
  • Limit consumption of egg yolks.
  • Exercise for at least 30 minutes 5 days a week.
  • Aim for weight loss and maintain healthy weight.
  • Quit smoking as smoking raises the risk of heart disease associated with cholesterol.
  • Limit alcohol consumption as excessive drinking may raise cholesterol levels.
Managing Low Blood Pressure Triggered by Medication: Expert Advice:
  • If you experience low blood pressure symptoms like dizziness, lightheadedness, or fainting while taking medication, seek immediate medical attention.
  • Make lifestyle modifications and adjust your medication regimen under medical guidance to manage low blood pressure.
  • As your doctor advises, regularly check your blood pressure at home. Record your readings to detect any changes and share them with your doctor.
  • Fluid intake plays a vital role in managing blood pressure by maintaining blood volume, regulating blood pressure, and supporting blood vessel function. Drinking enough fluids helps prevent dehydration, maintain electrolyte balance, and regulate fluid balance.
  • Take regular breaks to sit or lie down if you need to stand for long periods.
  • When lying down, elevate your head with extra pillows to help improve blood flow.
  • Avoid heavy exercise or strenuous activities that can worsen low blood pressure.
  • Wear compression socks as your doctor advises to enhance blood flow, reduce oedema, and control blood pressure.
  • If symptoms persist or worsen, or if you have concerns about your condition, seek medical attention for personalized guidance and care.
  • Quit smoking as smoking impairs erectile function by significantly damaging blood vessels.
  • Maintain a healthy weight as overweight can cause erectile dysfunction.
  • Exercise regularly as physical activity enhances blood flow and overall health, benefiting erectile function.
  • Consume a healthy diet loaded with whole grains, fruits and vegetables.
  • Limit alcohol consumption as excessive alcohol intake can impair erectile function.
  • Manage stress by practicing techniques such as yoga, relaxation exercises or meditation.
  • In case erectile dysfunction is due to psychological factors, consider couple counselling or sex therapy to address relationship and anxiety issues.
  • Openly discuss your concerns with your partner.
Here are the 7 steps to manage Dizziness caused by medication:
  • Inform your doctor about dizziness symptoms. They may adjust your medication regimen or prescribe additional medications to manage symptoms.
  • Follow your doctor's instructions for taking medication, and take it at the same time every day to minimize dizziness.
  • When standing up, do so slowly and carefully to avoid sudden dizziness.
  • Avoid making sudden movements, such as turning or bending quickly, which can exacerbate dizziness.
  • Drink plenty of water throughout the day to stay hydrated and help alleviate dizziness symptoms.
  • If you're feeling dizzy, sit or lie down and rest until the dizziness passes.
  • Track when dizziness occurs and any factors that may trigger it, and share this information with your doctor to help manage symptoms.
  • Do not stand up suddenly. Lie down and get up slowly only when you feel better.
  • Avoid alcohol and large meals.
  • Drink enough water before standing for long periods.
  • Exercise regularly; however, avoid exercising in extreme heat.
  • Eat small, low-carb meals.
  • Wear compression stockings.

Drug-Drug Interactions

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chlorthalidoneCisapride
Critical
chlorthalidoneDroperidol
Severe

Drug-Drug Interactions

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chlorthalidoneCisapride
Critical
How does the drug interact with Flothal-12.5 Tab:
Co-administration of Flothal-12.5 Tab and cisapride may increase the risk or severity of an irregular heart rhythm that may be serious.

How to manage the interaction:
Taking Flothal-12.5 Tab with Cisapride is not recommended, please consult your doctor before taking it. Do not discontinue the medication without consulting a doctor.
chlorthalidoneDroperidol
Severe
How does the drug interact with Flothal-12.5 Tab:
Taking Droperidol can make Flothal-12.5 Tab less effective in lowering blood pressure.

How to manage the interaction:
Taking Flothal-12.5 Tab with Droperidol together can possibly result in an interaction, but it can be taken if your doctor has advised it. If you have any of these symptoms, it's important to contact your doctor right away. These symptoms include an irregular heart rhythm, severe or long-lasting diarrhea or vomiting, complications, sudden dizziness or lightheadedness, fainting, difficulty breathing, heart palpitations, weakness, feeling sleepy or confused, muscle pain, and feeling nauseous or vomiting. Do not stop using any medications without first talking to your doctor.
chlorthalidoneAminolevulinic acid
Severe
How does the drug interact with Flothal-12.5 Tab:
Co-administration of Aminolevulinic acid and Flothal-12.5 Tab may increase the risk of severe sunburn.

How to manage the interaction:
Taking Flothal-12.5 Tab with Aminolevulinic acid together can possibly result in an interaction, but it can be taken if a doctor has advised it. If you notice that your skin is very sensitive to sunlight or if you have a really bad sunburn, it's important to contact your doctor right away. Do not discontinue any medications without consulting a doctor.
chlorthalidoneAmiodarone
Severe
How does the drug interact with Flothal-12.5 Tab:
Coadministration of Flothal-12.5 Tab with amiodarone may increase the risk of abnormal heart rhythms.

How to manage the interaction:
Although taking Flothal-12.5 Tab with amiodarone may cause an interaction, it is safe to do so if your doctor has prescribed it. If you have a cardiac problem or electrolyte imbalances, you may be more vulnerable. If you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or a rapid heartbeat, consult a doctor. Do not stop taking any medications without visiting a doctor.
chlorthalidonePimozide
Severe
How does the drug interact with Flothal-12.5 Tab:
Co-administration of Flothal-12.5 Tab with pimozide can increase the risk of an irregular heart rhythm that may be serious.

How to manage the interaction:
Although there is an interaction, Flothal-12.5 Tab can be taken with pimozide if prescribed by the doctor. Consult the prescriber if you develop sudden dizziness, lightheadedness, fainting, or fast or pounding heartbeats during treatment with pimozide. Also, let the doctor know if you experience signs of electrolyte disturbance, such as weakness, tiredness, drowsiness, confusion, muscle pain, cramps, dizziness, nausea, or vomiting. Do not discontinue any medications without consulting a doctor.
chlorthalidoneZiprasidone
Severe
How does the drug interact with Flothal-12.5 Tab:
Co-administration of Flothal-12.5 Tab with ziprasidone can increase the risk of an irregular heart rhythm that may be serious.

How to manage the interaction:
Although there is an interaction, Flothal-12.5 Tab can be taken with ziprasidone if prescribed by the doctor. but it can be taken together if prescribed by a doctor. However, consult your doctor if you experience sudden dizziness, lightheadedness, fainting, shortness of breath, weakness, tiredness, drowsiness, confusion, muscle pain, cramps, nausea, or vomiting. Do not discontinue any medications without consulting a doctor.
chlorthalidoneTizanidine
Severe
How does the drug interact with Flothal-12.5 Tab:
Co-administration of Tizanidine and Flothal-12.5 Tab may show additive effects and increase the risk of low blood pressure.

How to manage the interaction:
Although there is an interaction, Flothal-12.5 Tab can be taken with tizanidine if prescribed by the doctor. If you experience headache, dizziness, palpitations, or sweating, contact your doctor immediately. Do not discontinue any medications without consulting a doctor.
chlorthalidoneLithium
Severe
How does the drug interact with Flothal-12.5 Tab:
Co-administration of Flothal-12.5 Tab together with lithium can increase the effects of lithium.

How to manage the interaction:
Although there is a interaction between Flothal-12.5 Tab and lithium, but it can be taken together if prescribed by a doctor. However, consult your doctor if you experience diarrhea, vomiting, drowsiness, shaking of hands and legs, thirst, increased urination, lack of coordination, or muscle weakness. Do not discontinue any medications without consulting a doctor.
chlorthalidoneArsenic trioxide
Severe
How does the drug interact with Flothal-12.5 Tab:
Taking Flothal-12.5 Tab can make the body eliminate Arsenic trioxide faster, leading to lower levels in the blood and potentially reducing its effectiveness.

How to manage the interaction:
Co-administration of Flothal-12.5 Tab with Arsenic trioxide can possibly result in an interaction, but it can be taken if a doctor has advised it. If you have any of these symptoms, it's important to contact a doctor right away: your heart beating irregularly, feeling dizzy or lightheaded, fainting, having a fast or pounding heartbeat, feeling weak or drowsy, being confused, experiencing muscle pain, or feeling nauseous or vomiting. Do not discontinue any medications without consulting a doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Dr Aneela SiddabathuniDoctor badge

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Jul 18, 2025 | 6:33 AM IST

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