if the Achilles pain has persisted longer than about a month it should be identified as a tendinopathy, i.e. it is not an "itis" therefore NSAIDs are of limited value (see work by Karim Khan MD and JIll Cook Phd PT). The tendinopathy responds to a prgramme of eccentric exercise both For Gastroc and Soleus eg unilateral heel drops with the knee bent and straight. The other common factor I find is a weak Tib Post and over active FHL. Address the muscle imbalance issues treat the trigger points (I use IMS with good success) and use a heel lift temporarily and in most cases the symptoms will resolve withina few weeks.