Phenoxybenzamine (Systemic)

Brand Names : Dibenzyline

Before Using This Medicine

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For phenoxybenzamine, the following should be considered:

Allergies - Tell your doctor if you have ever had any unusual or allergic reaction to phenoxybenzamine. Also, tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.

Pregnancy - Phenoxybenzamine has not been studied in pregnant women or animals. Make sure your doctor knows if you are pregnant or if you may become pregnant before taking phenoxybenzamine.

Breast-feeding - It is not known whether phenoxybenzamine passes into breast milk. However, this medicine has not been reported to cause problems in nursing babies.

Children - Although there is no specific information about the use of phenoxybenzamine in children, it is not expected to cause different side effects or problems in children than it does in adults.

Older adults - Dizziness or lightheadedness may be more likely to occur in the elderly, who are more sensitive to the effects of phenoxybenzamine. In addition, phenoxybenzamine may reduce tolerance to cold temperatures in elderly patients.

Other medicines - Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your health care professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Other medical problems - The presence of other medical problems may affect the use of phenoxybenzamine. Make sure you tell your doctor if you have any other medical problems, especially:

• Angina (chest pain) or
• Heart or blood vessel disease - Some kinds may be worsened by phenoxybenzamine

• Kidney disease - Effects may be increased

• Lung infection - Symptoms such as stuffy nose may be worsened

• Recent heart attack or stroke - Lowering blood pressure may make problems resulting from stroke or heart attack worse