1969 ‘H. Pentecost’ (1970) ii. 149 He got a fresh prescription..for nitro pills.
1993 M. Atwood in Apr. 30 She gives him his nitro pills, she tries to calm him down.
1993 S. J. Ettinger App. 847 (table) Nitroglycerin 2% ointment (Nitro ointment).
1994 22 Nov. 24/5 She asked her GP for angina tablets. She was given a nitro sub-lingual spray which relieved her pain.