What should I know about guanabenz before taking it?

Do not take guanabenz if you are allergic to it or any of its ingredients. If you have ever had kidney, liver or coronary artery disease, a stroke or heart attack, tell your doctor before you take guanabenz. If you must have surgery, no matter how minor, tell the dentist or surgeon if you are taking guanabenz. If you are pregnant, planning to become pregnant or breastfeeding, tell your doctor before taking guanabenz. It can cause dizziness and drowsiness, so do not drive or operate tools or machinery until you know how it will affect you. Exercise, fever, alcohol and hot weather can intensify these side effects. Sit or stand up slowly to prevent lightheadedness. Using alcohol can lead to an increased risk of side effects.

You could experience withdrawal symptoms from guanabenz if you stop taking it suddenly. Withdrawal symptoms include: agitation, tremosr, headaches, rapid jumps in blood pressure and nervousness. Guanabenz may cause some drug interactions. Tell your doctor if you are taking any of the following: calcium channel blockers, digoxin, beta blockers, tricyclic antidepressants, sedatives or sleeping pills, other high blood pressure medications, clomipramine, desipramine, amitriptyline, doxepin, imipramine, protriptyline, nortriptyline or trimipramine. Tell your doctor about any other prescription or over-the-counter drugs, vitamins and supplements you are taking before you take guanabenz.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.