Muscle spasm -When a muscle gets overstretched or it gets contracted in such a a way that it leads to inflammation and pain in that portion of body, is called muscle spasm. Some time muscle is torn due to overstretching . This condition may lead to severe pain.
Inhalant- Inhalants are chemical substances that are volatile and produce vapours, when inhaled they act on nervous system causing mind altering effects.
These substances may include household cleaning liquid. medical inhaler, medical anesthetic gases like chloroform and nitrous oxide.