CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File No. 333-71851) any on Form S-3 (File No. 333-74189) of Algos Pharmaceutical Corporation (a development stage enterprise) of our report dated February 14, 2000 relating to the financial statements, which appears in this Form 10-K. PricewaterhouseCoopers LLP Florham Park, New Jersey March 30, 2000