does valtrex cause diarrhea
Infrequent side effects of Valtrex: 1  Painful Periods Severe. 2  Diarrhea Less Severe. 3  Disorder of the Digestive System Less Severe. 4  Dizzy Less Severe. 5  Incomplete or Infrequent Bowel Movements Less Severe. 6  Joint Pain Less Severe. 7  Loss of Appetite Less Severe. 8  Low Energy Less Severe. 9  Stomach Cramps Less Severe. 10  Throwing Up Less Severe.