Hydralazide Oral
In Depth
- Uses and How to Use
- Dosage and Storage
- Precautions and Side Effects
- Drug Interactions
- Drug Images
- very dry mouth
- thirst
- muscle cramps/weakness
- irregular heartbeat
- unusual drowsiness
- unusual decrease in the amount of urine
- fainting
- confusion
- seizures
Seek immediate medical attention if this rare but serious side effect occurs:
- chest/jaw/left arm pain
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction:
- rash
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Hydralazide Oral Precautions
Before taking this product, tell your doctor or pharmacist if you are allergic to it; or to similar diuretics (such as chlorthalidone); or if you have any other allergies.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:
- inability to make urine (anuria)
- a certain heart condition (coronary heart disease)
- a certain heart valve problem (rheumatic heart disease of the mitral valve)
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
- blood vessel problems
- kidney problems
- liver problems
- asthma
- diabetes
- lupus
- gout
- previous stroke
- salt/mineral imbalance (such as imbalance of sodium/potassium/calcium/magnesium levels in the body)
- loss of too much body water (dehydration)
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
This medication may reduce the potassium levels in your blood. Ask your doctor about increasing the amount of potassium in your diet or about using a salt substitute that contains potassium. Your doctor may prescribe a potassium supplement.
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