Correct statement/s among the given 

i) Equanil controls depression and hyper tension

ii) Aspirin has antiblood clotting effect

iii) Narcotic analgesics are used in cardiac pains

iv) terfenadine is a most effective tranquilizer

. Equanil is used in controlling depression and hypertension.

aspirin has many other effects such as reducing fever (antipyretic) and preventing blood platelet coagulation

Narcotic analgesics or painkillers are mostly used for relieving postoperative pain, cardiac pain and the pain of terminal cancer.

Terfenadine is an antihistamine formerly used for the treatment of allergic conditions