| Treatment of basilar migraines should avoid vasoconstrictors, otherwise standard abortive and prophylactic migraine medications are appropriate. |
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| Using vasoconstrictors such as ergotamine and the triptans in the presence of focal ischaemia is a theoretical concern. |
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| Thromboxanes, on the other hand, are powerful vasoconstrictors that cause a decrease in blood flow and an increase in blood pressure. |
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| A release of nervous vasoconstrictors factors in the distal part of the limb, especially at the skin. |
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| Endothelins are the most potent vasoconstrictors currently known and spillover from the lungs is the main source of circulating endothelins. |
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| Patients taking Azilect should not undergo elective surgery requiring general anesthesia and they should not be given local anesthesia containing cocaine or sympathomimetic vasoconstrictors. |
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| Solutions containing vasoconstrictors should be used cautiously in the presence of disease which may adversely affect the patient's cardiovascular system. |
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| Vasoconstrictors, and other additives may aggravate tissue reactions and should be used only when indicated. |
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