You could see your GP for a trial of MUSE® (transurethral alprostadil).
Urethral application, alprostadil, net price 125-microgram single-use applicator = £9.89, 250-microgram single-use applicator = £11.30, 500-microgram single-use applicator = £11.30, 1-mg single-use applicator = £11.56 (all strengths also available in packs of 6 applicators)
Condoms no evidence of harm to latex condoms and diaphragms
Dose by direct urethral application, adult over 18 years, erectile dysfunction, initially 250 micrograms adjusted according to response (usual range 0.125–1 mg); max. 2 doses in 24 hours and 7 doses in 7 days)
Note During initiation of treatment MUSE® should be used under medical supervision; self-administration may only be undertaken after proper training
Aid to diagnosis, 500 micrograms as a single dose