According to businessdictionary.com, barriers to communication are defined as, âaspects of or conditionsâ¦ that interfere with effective exchange of ideas or thoughts.â Barriers to communication can be anything that distorts or prevents a message from being properly sent or received.
Infrequent side effects of Norvasc: 1  DizzyLess Severe. 2  DrowsinessLess Severe. 3  Feel Like Throwing UpLess Severe.  Heart Throbbing or PoundingLess 1  Severe. Low EnergyLess Severe.  Stomach CrampsLess 1  Severe. Temporary Redness of Face and NeckLess Severe.
The most common side effects (15 - 30% of patients) are gastrointestinal: anorexia, nausea, and vomiting are usually transient. CNS side effects include sedation, ataxia, and tremor. Valproic acid increases the plasma concentration of phenobarbital and primidone, and has a variable effect on phenytoin levels.