Metahydrin (not available in Canada) is used either alone or with other therapy to treat high blood pressure; Metahydrin (not available in Canada) is also used to treat edema (excess fluid retention)due to a variety of causes. It should not be used to treat fluid retention caused by pregnancy.

Do not take Metahydrin (not available in Canada) if you are allergic to any ingredient in Metahydrin (not available in Canada) you have problems urinating you are breastfeeding

Before using Metahydrin (not available in Canada), tell your health care provider about any of the following: if you are pregnant or planning to become pregnant if you are taking any other prescription medicine, nonprescription medicine, herbal preparation, or dietary supplements if you have severe kidney disease or liver problems if you have a history of allergies or asthma if you have diabetes if you have gout if you are being treated for increased cholesterol or triglyceride levels if you have any other medical condition

Other:  Gout attack (joint pain and swelling).

How much medicine you take and how often it is taken depends on many factors, including the condition being treated, your age, and weight. If you have any questions about the amount and/or frequency of Metahydrin (not available in Canada) you are taking, talk with your health care provider. Take Metahydrin (not available in Canada) regularly as directed by your health care provider. Follow the dietary guidelines given to you by your health care provider. Dizziness or lightheadedness may occur if you stand up too fast from lying or sitting. Get up slowly, and notify your doctor. Metahydrin (not available in Canada) may cause loss of potassium. If signs of potassium loss occur (weakness, cramps, nausea, dizziness, etc.) contact your doctor. Ask about foods high in potassium. Good sources of potassium include bananas, fruit juice, and broccoli. Lab tests will be required to monitor therapy. Be sure to keep appointments. Metahydrin (not available in Canada) may cause sensitivity to sunlight. Avoid prolonged exposure to sunlight and other ultraviolet light. Use sunscreen and wear protective clothing until tolerance is determined. Diabetic patients - Metahydrin (not available in Canada) may increase your blood sugar levels. This product contains the dye tartrazine (FD&C Yellow No. 5), which may cause allergic reactions in some individuals, particularly asthma patients. Do not take any over-the-counter or prescription medications without talking with your health care provider. This includes any herbal preparations or dietary supplements. Patients with other medical conditions should talk with their health care provider before taking Metahydrin (not available in Canada). Do not take more medicine than prescribed unless advised to do so by your health care provider. If a dose is missed, take it as soon as possible. If several hours have passed or if it is nearing time for the next dose, do not double the dose to catch up, unless advised to by your health care provider. If more than one dose is missed, contact your health care provider.

Store Metahydrin (not available in Canada) at room temperature (below 86 degrees F) in a tightly closed container. Protect from excessive heat.