Monograph Details

Cardiovascular System > Hypertension
Hydralazine Tablets
Manufacturer
Various generic manufacturers
Legal Classification
Rx
Generic Name
Hydralazine HCl 10mg, 25mg, 50mg, 100mg.
Also
Hydralazine Injection
Indications
Hypertension.
Children
Initially 0.75mg/kg per day in 4 divided doses, increase gradually over 3–4 weeks; max 7.5mg/kg or 200mg daily.
Adults
Initially 10mg 4 times daily for 2–4 days, then increase to 25mg 4 times daily for rest of 1st week, then to 50mg 4 times daily; max 300mg/day.
Contraindications
Coronary artery disease. Mitral valve disease.
Precautions
Suspected coronary artery disease. Cerebrovascular accidents. Aortic aneurysm. Increased intracranial pressure. Renal disease. Treat paresthesias and/or numbness with pyridoxine. Discontinue if blood dyscrasias occur. Obtain CBC and ANA titer periodically; consider discontinuing if SLE occurs. Surgery. Pregnancy (Cat.C). Nursing mothers.
Interactions
Caution with MAOIs. Profound hypotension with potent parenteral antihypertensives (eg, diazoxide). Antagonized by NSAIDs. May block epinephrine.
Adverse Reactions
Headache, anorexia, GI disturbances, palpitations, edema, flushing, nasal congestion, lacrimation, rash, tachycardia, angina, orthostatic hypotension, blood dyscrasias, peripheral neuritis, SLE.
How Supplied
Contact supplier.
Additional Resources
Related Prescribing Note