Follow all directions on your prescription label. Do not take  hydralazine in larger or smaller amounts or for longer than recommended.
Your blood pressure will need to be checked often. You may also need frequent blood tests.
Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medicine for the rest of your life.
Store at room temperature away from moisture and heat.
 Detailed Hydralazine dosage information
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What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include rapid heartbeats, warmth or tingling under your skin, chest pain, or fainting.
