Methyprylon (Systemic)

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 methyprylon, the following should be considered:

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

Pregnancy - Methyprylon has not been studied in pregnant women. However, it has not been shown to cause birth defects or other problems in animal studies.

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

Children - Studies on this medicine have been done only in adult patients and there is no specific information about its use in children.

Older adults - Elderly people may be especially sensitive to the effects of methyprylon. This may increase the chance of side effects during treatment.

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. When you are taking methyprylon, it is especially important that your health care professional know if you are taking any of the following:

• Central nervous system (CNS) depressants, other - Using these medicines with methyprylon may increase the CNS and other depressant effects

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

• Kidney disease or
• Liver disease - Higher blood levels of methyprylon may occur, increasing the chance of side effects

• Porphyria - Methyprylon may make the condition worse