Hygroton (Chlorthalidone) is used to treat high blood pressure, also called hypertension. Hygroton helps to lower your blood pressure. It also helps to relax the blood vessels so that blood can flow more easily. Hygroton is also used to treat fluid buildup caused by heart, liver or kidney problems. Hygroton belongs to a group of medicines called diuretics commonly called fluid or water pills which help to reduce the amount of salt and water in the body by acting on the kidneys to increase the flow of urine. Hygroton is also used to treat fluid retention in premenstrual syndrome, only if the gain in weight is the main problem reported. Hygroton is also used to treat heart failure and for the prevention of formation of kidney stones in patients with increased levels of calcium in the urine. Take the tablets during a meal with a full glass of water. If you take only one dose of Hygroton each day, take it in the morning unless your doctor tells you otherwise. Diuretic medicines tend to increase the amount of urine you pass. It is best to take the last dose of medicine no later than 6 p.m. so that you will not have to get up during the night to urinate. Continue taking Hygroton for as long as your doctor tells you to. This medicine helps to control your symptoms but it does not cure your condition.

Manufacturer Information

The common side effects of Hygroton may include dizziness or light-headedness, loss of appetite, stomach upset, nausea or vomiting, diarrhoea or constipation, headache, skin rash, problems with sexual function. Contact your doctor right away if you have any of the following symptoms:

• Blurred or changed vision;
• Constant "flu-like" symptoms;
• Difficulty breathing;
• Difficulty urinating, sometimes with pain or fever;
• Irregular heartbeat, burning, numbness in arms and legs;
• Nausea and a feeling of disorientation;
• Pain in the abdomen;
• Symptoms of gout;
• Symptoms of sunburn that happen much more quickly than normal;
• Unusual bleeding or bruising;
• Unusual tiredness, lack of energy or weakness;
• Yellowing of the skin or eyes

This is not a complete list of side effects and others may occur. Please call your doctor if you have any further concerns or questions.

Do not take Hygroton if you have an allergy to any medicine containing chlortalidone or to any other medicines with a similar structure (e.g. thiazide diuretics or sulfur drugs). Do not take Hygroton if you have any of the following health conditions: adrenal glands not working properly, gout, high blood pressure during pregnancy, severe kidney or liver failure, too little potassium or sodium in your blood, too much calcium in your blood. Before taking Hygroton, inform your doctor if you are pregnant or breast-feeding, are elderly, are lactose intolerant, have milder forms of kidney or liver trouble, have heart problems, have diabetes, have high cholesterol. Tell your doctor, nurse, or pharmacist about all the medicines you take, including drugs prescribed by other doctors, vitamins, minerals, natural supplements, or alternative medicines. Some medicines and Hygroton may interfere with each other, including: atropine, a medicine used in some eye drops or products to manage diarrhea; asthma relievers; allopurinol, a medicine for gout; amphotericin B; ACTH, a medicine for increasing steroid levels; carbenoxolone, a medicine for stomach ulcer; colestyramine, a medicine used to lower high cholesterol; ciclosporin, a medicine used to prevent organ transplant rejection; insulin or other medicines for diabetes; lithium; medicines used to relax muscles; medicines for arthritis; medicines for Parkinson's disease; some medicines used to treat heart problems; steroid medicines; some medicines used to treat cancer; vitamin D or calcium supplements.

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