signs of adverse reaction to morphine
Some of the common morphine allergy symptoms include, 1  Allergic dermatitis is often manifested in the form of skin rash, are a common symptom associated with allergy to morphine.2  The rash may be in the form of hives or blisters. 3  Confirmation of allergy to morphine is done by using diagnostic patch test.orphine Poisoning is associated with toxic reaction of the body for allergic reaction or overdose. Some of the symptoms associated with morphine poisoning include the following, 1  Respiratory depression with bronchospasm results in ability to breath. 2  Fall in blood pressure associated with circulatory failure.