"What are beta blockers and how do they work?
Beta blockers, also known as beta-adrenergic blocking agents, are a class of drugs that works by blocking the neurotransmitters norepinephrine and epinephrine from binding to receptors. "...
Patients should be informed of possible side effects and advised to take the medication regularly and continuously as directed.
Inform patients that headaches often accompany treatment with BiDil, especially during initiation of treatment. Advise patients to consult a physician to adjust the dose of BiDil if headache continues with repeated dosing.
Warn patients about lightheadedness on standing.
Advise patients that inadequate fluid intake or excessive fluid loss from perspiration, diarrhea or vomiting may lead to an excessive fall in blood pressure and cause lightheadedness or even syncope. If syncope does occur, advise patients to discontinue BiDil and notify their prescribing physician as soon as possible.
- Phosphodiesterase-5 Inhibitors
Advise patients to inform their physicians if they are taking, or planning to take, sildenafil, vardenafil, or tadalafil. Bidil should not be taken concomitantly with phosphodiesterase-5 inhibitors.
- Worsening Ischemic Heart Disease
Advise patients to inform their physicians of any worsening of symptoms of myocardial ischemia, especially those with hypertrophic cardiomyopathy.
- Systemic Lupus Erythematosus-like Symptoms
Advise patients if symptoms suggestive of systemic lupus erythematosus—such as arthralgia, fever, chest pain, prolonged malaise— occur to notify their prescribing physician.
- Peripheral Neuritis
Advise patients if symptoms of peripheral neuritis—paresthesia, numbness, and tingling—occur to notify the prescribing physician.
Last reviewed on RxList: 4/21/2015
This monograph has been modified to include the generic and brand name in many instances.
Additional BiDil Information
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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