Thioridazine
About Thioridazine
Thioridazine is an oral prescription medication primarily used to manage severe symptoms of schizophrenia. It is typically prescribed to treat this condition when other antipsychotic medicines have failed to provide relief or have caused troublesome side effects. By helping to calm overactive nerve signals in the brain, it supports a clearer thought process and calmer behaviour.
To get the best results, you must take Thioridazine consistently and exactly at the times prescribed by your doctor. You can take this medication with or without food, but it is best to choose one way and stick to it daily. Incorporating a steady routine, staying hydrated, and avoiding extreme heat can also help support your overall well-being while taking this medication.
While taking Thioridazine, you may experience common side effects like sleepiness, dry mouth, or mild dizziness. However, if you notice serious symptoms such as an irregular heartbeat, severe muscle stiffness, high fever, or uncontrollable body movements, you must contact your doctor right away.
Talk to your doctor before starting this medicine if you have a history of heart conditions, seizures, or liver damage. Do not take this if you have a known history of severe heart rhythm problems, or if you are taking other medications that are known to alter your heartbeat.
This medication can interact with other drugs that cause drowsiness, alcohol, and medicines that affect your heart rhythm, increasing your risk of serious side effects. Smoking may also affect how Thioridazine is broken down in the body and may alter its effectiveness. Tell your doctor about all medicines you take and whether you smoke before starting treatment. If you are pregnant, breastfeeding, or an elderly individual, you should consult your doctor before starting Thioridazine to ensure it is safe for you.
Uses of Thioridazine
Medicinal Benefits
Thioridazine offers significant relief for individuals dealing with severe psychiatric symptoms, helping them regain control over their daily lives. The following are the benefits of this medication:
- Helps reduce hallucinations and disturbing thoughts.
- Improves clear thinking and focus on daily tasks.
- Reduces anxiety, tension, and confusion, making it easier to communicate with others.
- Helps control severe agitation and impulsive behaviour.
- Promotes a calmer and more stable state of mind.
Directions for Use
- Thioridazine can be taken with food or immediately after a meal.
- Follow your doctor's instructions on the dosage and timing of this medication.
- Swallow Thioridazine as a whole with a glass of water.
- Do not crush, break, or chew it.
Storage
Side Effects of Thioridazine
Common Side Effects (Usually mild)
- Sleepiness, drowsiness, or feeling tired
- Dry mouth
- Mild dizziness, especially when standing up too quickly
- Constipation or mild stomach upset
- Blurred vision
Serious Side Effects (Call a doctor right away)
- A fast, pounding, or irregular heartbeat
- Severe dizziness, lightheadedness, or fainting
- Uncontrollable movements of your face, tongue, mouth, or limbs
- Severe muscle stiffness, high fever, sweating, and confusion
- Yellowing of your eyes or skin, which may indicate liver damage
- Signs of a severe allergic reaction, such as skin rash, itching, swelling of the face, tongue, or throat, and difficulty breathing
- Vision changes, difficulty seeing at night, or a gradual loss of vision, which may be signs of pigmentary retinopathy (a rare but serious eye condition associated with long-term or high-dose use of this medication)
Medicines Containing this Salt
View AllDrug Warnings
- Prioritise heart health monitoring: Your doctor will likely order regular electrocardiograms (ECGs) and blood tests to check your heart rhythm while you take Thioridazine. Keep all of these appointments.
- Do not stop taking this medicine suddenly: Stopping abruptly can cause withdrawal symptoms or make your condition worse. Your doctor will help you by gradually decreasing dose levels when it is time to stop.
- Protect yourself from the sun: This medication can make your skin highly sensitive to sunlight. Wear protective clothing and apply sunscreen when going outdoors.
- Inspect liquid formulations: If using the liquid form, always check the appearance before taking it. Do not use the medicine if you notice any unusual colour changes, cloudiness, or floating particles.
- Avoid hazardous activities: Do not drive, operate heavy machinery, or perform dangerous tasks until you are certain how this medication affects your alertness and vision.
- Report any vision changes promptly: Tell your doctor immediately if you notice blurred vision, difficulty seeing in dim light, or changes in your eyesight, as Thioridazine has been associated with pigmentary retinopathy, particularly with prolonged use or higher doses.
Drug Interactions
- Medicines that affect heart rhythm (e.g., Amiodarone, Moxifloxacin, Olanzapine): Taking Thioridazine with other drugs that alter your heart rhythm, such as certain antiarrhythmics, specific antibiotics, or other antipsychotics, can increase the risk of life-threatening irregular heartbeats.
- Medicines that cause drowsiness (e.g., Zolpidem, Morphine, Lorazepam): Using this medicine with sleep aids, prescription pain relievers, or anxiety medications can lead to dangerous levels of sleepiness and slowed breathing.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
unsafeAlcohol may worsen the condition and increase the risk of side effects while using Thioridazine.
Pregnancy
cautionThioridazine is a category C pregnancy drug; using Thioridazine during pregnancy may affect your unborn baby. Please consult your doctor before taking Thioridazine if you are pregnant or planning to conceive.
Breast Feeding
cautionThioridazine is known to pass through the breast milk. So, it is recommended not to be taken during breastfeeding. However, your doctor may prescribe it for you during breastfeeding if he/she feels that the benefits to you outweighs the risk.
Driving
unsafeThioridazine may cause drowsiness, and dizziness in some cases, especially in elderly patients. If you are affected, do not drive or operate dangerous machinery after taking Thioridazine.
Liver
cautionThioridazine should be used with caution if you have liver disease. Your doctor may adjust the dose of this medicine based on your condition.
Kidney
cautionThioridazine should be used with caution if you have kidney disease. Your doctor may adjust the dose of this medicine based on your condition.
Children
cautionThioridazine is not recommended for children below 1 year of age. Children aged 1 and above can be given Thioridazine but take it only in dose and duration prescribed by your doctor.
Habit Forming
Diet & Lifestyle Advise
- Stay well hydrated: Drink plenty of water throughout the day. This helps relieve dry mouth and lowers the risk of constipation.
- Rise slowly: Since this medicine can cause your blood pressure to drop suddenly when you stand up, take your time when rising from a sitting or lying position to prevent dizziness and falls.
- Avoid extreme heat: Thioridazine can make it harder for your body to cool down. Drink plenty of fluids, wear lightweight clothing, and avoid long periods in hot weather or heavy exercise.
- Eat a heart-healthy diet: Make sure your diet includes foods rich in potassium and magnesium, such as bananas, leafy greens, and whole grains. Low levels of these minerals can increase the risk of heart rhythm problems.
- Limit caffeine: Reduce your intake of coffee, tea, and soda, as caffeine can sometimes interfere with how this medicine affects your nervous system.
Special Advise
- Geriatric patients with dementia-related psychosis treated with Thioridazine are at an increased risk of death, and please consult your doctor before taking Thioridazine.
- Monitor the levels of electrolytes (salts such as potassium and magnesium) in your blood, blood sugar and cholesterol level, and body weight while taking Thioridazine.
- Regularly visit your optician for an eye examination as Thioridazine is known to cause eye problems.
- Maintaining a healthy lifestyle and sticking to your treatment plan will help you do that.
Patients Concern
Disease/Condition Glossary
Schizophrenia (psychosis): It is a mental illness in which brain information processing is affected. Patients with schizophrenia develop symptoms such as hallucinations (seeing or hearing unreal things), delusions (false beliefs) and become withdrawal from society. They lose the ability to differentiate reality from false beliefs. Schizophrenia and bipolar disorder may occur due to genetic factors, alcohol or drug abuse, or mental trauma. Schizophrenia may also occur due to brain injuries or diseases.
Bipolar disorder: Patients with bipolar disorders have mood swings ranging from manic episodes of heightened excitement to severe depression. It may occur due to genetic factors, alcohol or drug abuse and mental trauma. It used to be known as manic depression.
FAQs
Thioridazine is used to treat schizophrenia or psychosis and bipolar disorder (manic depression).
Thioridazine contains ‘Thioridazine,’ an antipsychotic drug that blocks dopamine, a neurotransmitter in the brain responsible for developing schizophrenia and bipolar disorder symptoms. Thioridazine rebalances dopamine to improve thinking, mood, and behaviour.
You are not recommended to stop taking Thioridazine without consulting your doctor. It may cause withdrawal symptoms such as palpitations (the sensation that the heart skipped a beat or extra beat), anxiety, confusion, difficulty sleeping and tremors. Therefore, take Thioridazine for as long as your doctor has prescribed it, and if you experience any difficulty while taking Thioridazine, please consult your doctor so that the dose may be gradually reduced.
Thioridazine is not recommended for patients suffering from myasthenia gravis (severe muscle weakness) as it may worsen the condition. Therefore, inform your doctor if you have myasthenia gravis before taking Thioridazine.
Thioridazine may increase your body weight. So, while taking Thioridazine keep a check on your body weight. Also, monitor your blood sugar and cholesterol levels.
Thioridazine can decrease anxiety, irritability or agitation. However, you should consult a doctor before using Thioridazine for any condition.
No, Thioridazine should be taken with caution, especially in elderly patients with dementia, as Thioridazine is known to cause an increased death rate in such patients.
Thioridazine is known to cause changes in blood sugar levels. If you have diabetes and are taking Thioridazine, please regularly monitor your blood sugar level to avoid any unpleasant side effects of Thioridazine.
Taking more Thioridazine than your required dose leads to an overdose. Symptoms of overdose include blurred vision, drooling, nasal congestion, dry mouth, yellow eyes, vision changes, rapid/irregular/slow heart rate, high/low blood pressure, difficulty breathing, constipation, nausea, loss of appetite, dizziness, drowsiness, seizures, tremors, weakness, fever, muscle spasms/stiffness, low body temperature, and difficulty walking. If you experience these symptoms or suspect you have taken an overdose, seek immediate medical attention, even if there are no symptoms.
The common side effects of Thioridazine are sleepiness, drowsiness, orthostatic hypotension (sudden blood pressure lowering on standing), dry mouth, abnormality of voluntary movements, weight gain, urinary retention, constipation, muscle stiffness, and tremor. Please consult your doctor if any of these side effects persist or worsen.
Thioridazine is not suitable for everyone, particularly pregnant and breastfeeding women, who should use it with caution only if advised by a doctor. Children under 2 years old should not take Thioridazine due to potential health risks. Additionally, elderly patients with dementia-related psychosis should avoid Thioridazine due to an increased risk of adverse effects. Patients with certain medical conditions, such as cardiac disorders, comatose or severe drug-induced depressed states, uncorrected hypokalaemia, severe photosensitivity, and serious haematological conditions, should also avoid Thioridazine. If you belong to any of these groups, consult your doctor to discuss alternative treatment options.
Thioridazine is not recommended for elderly patients with dementia-related psychosis. It should be used with caution in elderly patients aged 65 and above under the guidance of a doctor.
It is not advised to use Thioridazine on children under two years old. It should be used with caution in children and adolescents (aged 2 to 18) after consulting the doctor.
Thioridazine can cause drowsiness, which is a common side effect. If you experience drowsiness, taking precautions is essential to ensure your safety. Avoid driving, operating heavy machinery, or engaging in activities that require alertness. To minimize daytime drowsiness, take the medication at bedtime. Regular exercise, fresh air, and avoiding alcohol and other sedatives can also help you stay alert. If drowsiness persists or affects your daily activities, consult your doctor for guidance.
Dry mouth is a common side effect. You can manage this by sipping water frequently, chewing sugarless gum, or sucking on sugar-free hard candy. If it becomes severe or does not improve, talk to your doctor or pharmacist.
No, you should avoid alcohol entirely while taking Thioridazine. Alcohol can cause severe drowsiness, dangerously lower your blood pressure, and increase the risk of serious heart rhythm problems. Talk to your doctor if you have concerns.
It may take several weeks of consistent use before you notice a significant improvement in your symptoms. Continue taking your medicine exactly as prescribed, and talk to your doctor if you do not notice any changes after a few weeks.
Thioridazine can affect the electrical activity of your heart, which can lead to serious irregular heartbeats. Regular ECGs allow your doctor to monitor your heart's safety. Talk to your doctor to learn more about this monitoring.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed one and continue your normal schedule. Never take a double dose to make up for a missed one. Talk to your doctor or pharmacist if you are unsure.
Yes, this medicine can affect your body's ability to sweat and cool down, which increases the risk of heatstroke. Avoid long exposure to extreme heat, drink plenty of fluids, and talk to your doctor if you feel overheated or dizzy.
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