Allergies to Substances. People who are allergic to any of the following shouldn't just take clonidine. For people who get dizzy when standing: This ailment is called orthostatic hypotension. Clonidine may make this situation even worse. Don’t stand up much too speedily and make sure not to obtain dehydrated. https://bookmarkingbay.com/story19764032/everything-about-onolidine