self-med·i·ca·tion 
(sĕlfmĕd′ĭ-kāshən)
(sĕlfmĕd′ĭ-kāshən)n.
1. Medication of oneself without professional supervision to treat an illness or condition, as by using an over-the-counter drug or preparation.
2. The ingestion of a substance, such as alcohol, an illegal drug, or a non-prescribed medicine, as a conscious or unconscious means of coping with a psychological condition, such as anxiety or depression.
self-medi·cate′ v.
- semiliquidity
- semiliteracy
- semiliterate
- Semillon
- semilog
- semilogarithmic
- semilunar
- semilunar bone
- semilunar cartilage
- semilunar valve
- semilunate
- semimembranous
- semimonthly
- seminal
- seminal duct
- seminal fluid
- seminally
- seminal vesicle
- seminar
- seminarian
- seminarist
- seminary
- seminiferous
- seminiferous tubule
- seminivorous