Contradiction with Mark 16:18
Job 18:13 describes inevitable destruction, while Mark 16:18 promises protection from harm.
Mark 16:18: They shall take up serpents; and if they drink any deadly thing, it shall not hurt them; they shall lay hands on the sick, and they shall recover.
Contradiction with Psalm 91:10
Job 18:13 speaks of consuming diseases, but Psalm 91:10 promises no evil or plague shall touch.
Psalm 91:10: There shall no evil befall thee, neither shall any plague come nigh thy dwelling.
Contradiction with Isaiah 53:5
Job 18:13 implies affliction, whereas Isaiah 53:5 assures healing through sufferings.
Isaiah 53:5: But he [was] wounded for our transgressions, [he was] bruised for our iniquities: the chastisement of our peace [was] upon him; and with his stripes we are healed. [wounded: or, tormented] [stripes: Heb. bruise]
Contradiction with Exodus 15:26
Job 18:13 suggests disease, yet Exodus 15:26 declares God as a healer preventing diseases.
Exodus 15:26: And said, If thou wilt diligently hearken to the voice of the LORD thy God, and wilt do that which is right in his sight, and wilt give ear to his commandments, and keep all his statutes, I will put none of these diseases upon thee, which I have brought upon the Egyptians: for I [am] the LORD that healeth thee.