1) Irritating 2) Stimulative 1) Stimulative 
• (a.) Accompanied with, or produced by, increased action or irritation; as, an irritative fever. • (a.) Serving to excite or irritate; irritating; as, an irritative agent.
Causing irritation. ... (05 Mar 2000) ... 
Ir'ri·ta·tive adjective 1. Serving to excite or irritate; irritating; as, an irritative agent. 2. Accompanied with, or produced by, increased action or irritation; as, an irritative fever. E. Darwin. 
Type: Term Pronunciation: ir′i-tā′tiv Definitions: 1. Causing irritation.
serving or tending to irritate. · characterized or produced by irritation of some body part: an irritative fever.