Use a medication-measuring device to carefully measure the prescribed dose. Rifampin is frequently used in combination with other antibiotics to prevent or treat certain kinds of infections (e.g., latent/active tuberculosis, meningococcal disease). Your dose/schedule/treatment length will vary, depending on what you are treated for.
Austria, egged on by her German allies, quickly sent Serbia an ultimatum and declared war on the 28th July 1914. A few days later, on August 1st, Germany declared war on Russia - seen as the champion of the Slav cause by Serbs, Russians and Germans alike.
Serbia held one such treaty with Russia, and Russia promptly declared war on Austria Hungary. Austria Hungary held a treaty with Germany, so Germany declared war on Russia and Serbia. Russia held a treaty with France, so Germany declared war on France too.