The oral dose usually ranges from 5 mg to 20 mg. It took me a whole 8 months before I saw a difference in my acne! Scopolamine has been shown to be more effective than meclizine in treating the symptoms of motion sickness. Doctors sometimes use injections of sodium hyaluronate to treat knee pain due to arthritis. Both of these contribute to the effects of amiodarone on thyroid function. Mycophenolate mofetil may increase the neuroexcitatory activities of Norfloxacin.