Amoxicillin Side Effects: Constipation! Insomnia, (it's now 4 AM) low back ache.

Amoxicillin Side Effects: Constipation! Insomnia, (it's now 4 AM) low back ache. http://www.medications.com/effect/view/22316 Constipation! Insomnia, (it's now 4 AM) low back ache.