BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuThiazide overdoseDiuretic anti-hypertensives overdoseThiazides are medicines used to treat high blood pressure. Thiazide overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose.This is article for information only. DO NOT use it to treat or manage an actual overdose. If you or someone you are with overdoses, call your local emergency number (such as 911), or your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. Poisonous Ingredient Thiazides are a type of medicine called a diuretic. They prevent the body from reabsorbing sodium (salt) from the kidneys. Thiazides and diuretics like them are mostly used to treat high blood pressure and fluid retention that causes swelling. Where Found Thiazides include these medicines:Bendroflumethiazide Chlorothiazide Chlorthalidone Hydrochlorothiazide Hydroflumethiazide Indapamide Methyclothiazide Metolazone Other medicines may also contain thiazide. Symptoms Symptoms of a thiazide overdose include:Confusion ConfusionConfusion is the inability to think as clearly or quickly as you normally do. You may feel disoriented and have difficulty paying attention, remembe...Read Article Now Book Mark Article Dizziness, fainting FaintingFainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode most often lasts less than a couple of minutes and y...Read Article Now Book Mark Article Drowsiness Dry mouth Fever Frequent urination, pale-colored urine Heart rhythm problems Low blood pressure Muscle cramps and twitching Muscle crampsMuscle cramps are when a muscle gets tight (contracts) without you trying to tighten it, and it does not relax. Cramps may involve all or part of on...Read Article Now Book Mark Article Nausea, vomiting Rash Seizures (convulsions) Skin sensitive to sunlight, yellow skin Slow breathing Vision problems (things you see look yellow) Weakness Coma (unresponsiveness)ComaDecreased alertness is a state of reduced awareness and is often a serious condition. A coma is the most severe state of decreased alertness from whi...Read Article Now Book Mark Article Home Care Seek medical help right away. Do NOT make a person throw up unless poison control or a health care provider tells you to do so. Before Calling Emergency Have this information ready:Person's age, weight, and condition Name of the medicine (ingredients and strength, if known) Time it was swallowed Amount swallowed Poison Control Your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1800-222-1222) from anywhere in the United States. This national hotline will let you talk to experts in poisoning. They will give you further instructions.Poison control centerFor a POISON EMERGENCY call:1-800-222-1222ANYWHERE IN THE UNITED STATESThis national hotline number will let you talk to experts in poisoning. This ...Read Article Now Book Mark Article This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison control. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week. What to Expect at the Emergency Room Take the container with you to the hospital, if possible.The provider will measure and monitor the person's vital signs, including temperature, pulse, breathing rate, and blood pressure.Tests that may be done include:Blood and urine tests Chest x-ray ECG (electrocardiogram, or heart tracing) Treatment may include:Activated charcoal Breathing support, which may include oxygen or a ventilator (tube through the mouth into the lungs and breathing machine) Intravenous fluids (IV, given through a vein) Laxative Medicine to treat symptoms Outlook (Prognosis) How well a person does depends on how severe the symptoms are. Heart rhythm problems can be life threatening. People usually recover well. Serious symptoms and death are unlikely.Open ReferencesReferencesAronson JK. Diuretics. In: Aronson JK, ed. Meyler's Side Effects of Drugs. 16th ed. Waltham, MA: Elsevier; 2016:1030-1053.Meehan TJ. Care of the poisoned patient. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 135.AllVideoImagesTogRelated Information Review Date: 7/1/2023 Reviewed By: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. 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Thiazide overdoseDiuretic anti-hypertensives overdoseThiazides are medicines used to treat high blood pressure. Thiazide overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose.This is article for information only. DO NOT use it to treat or manage an actual overdose. If you or someone you are with overdoses, call your local emergency number (such as 911), or your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. Poisonous Ingredient Thiazides are a type of medicine called a diuretic. They prevent the body from reabsorbing sodium (salt) from the kidneys. Thiazides and diuretics like them are mostly used to treat high blood pressure and fluid retention that causes swelling. Where Found Thiazides include these medicines:Bendroflumethiazide Chlorothiazide Chlorthalidone Hydrochlorothiazide Hydroflumethiazide Indapamide Methyclothiazide Metolazone Other medicines may also contain thiazide. Symptoms Symptoms of a thiazide overdose include:Confusion ConfusionConfusion is the inability to think as clearly or quickly as you normally do. You may feel disoriented and have difficulty paying attention, remembe...Read Article Now Book Mark Article Dizziness, fainting FaintingFainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode most often lasts less than a couple of minutes and y...Read Article Now Book Mark Article Drowsiness Dry mouth Fever Frequent urination, pale-colored urine Heart rhythm problems Low blood pressure Muscle cramps and twitching Muscle crampsMuscle cramps are when a muscle gets tight (contracts) without you trying to tighten it, and it does not relax. Cramps may involve all or part of on...Read Article Now Book Mark Article Nausea, vomiting Rash Seizures (convulsions) Skin sensitive to sunlight, yellow skin Slow breathing Vision problems (things you see look yellow) Weakness Coma (unresponsiveness)ComaDecreased alertness is a state of reduced awareness and is often a serious condition. A coma is the most severe state of decreased alertness from whi...Read Article Now Book Mark Article Home Care Seek medical help right away. Do NOT make a person throw up unless poison control or a health care provider tells you to do so. Before Calling Emergency Have this information ready:Person's age, weight, and condition Name of the medicine (ingredients and strength, if known) Time it was swallowed Amount swallowed Poison Control Your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1800-222-1222) from anywhere in the United States. This national hotline will let you talk to experts in poisoning. They will give you further instructions.Poison control centerFor a POISON EMERGENCY call:1-800-222-1222ANYWHERE IN THE UNITED STATESThis national hotline number will let you talk to experts in poisoning. This ...Read Article Now Book Mark Article This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison control. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week. What to Expect at the Emergency Room Take the container with you to the hospital, if possible.The provider will measure and monitor the person's vital signs, including temperature, pulse, breathing rate, and blood pressure.Tests that may be done include:Blood and urine tests Chest x-ray ECG (electrocardiogram, or heart tracing) Treatment may include:Activated charcoal Breathing support, which may include oxygen or a ventilator (tube through the mouth into the lungs and breathing machine) Intravenous fluids (IV, given through a vein) Laxative Medicine to treat symptoms Outlook (Prognosis) How well a person does depends on how severe the symptoms are. Heart rhythm problems can be life threatening. People usually recover well. Serious symptoms and death are unlikely.Open ReferencesReferencesAronson JK. Diuretics. In: Aronson JK, ed. Meyler's Side Effects of Drugs. 16th ed. Waltham, MA: Elsevier; 2016:1030-1053.Meehan TJ. Care of the poisoned patient. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 135.