The phrase "a painful side" is correct and usable in written English.
It can be used to describe an aspect or feature of something that causes discomfort or distress, often in a metaphorical sense.
Example: "The project had a painful side that no one wanted to address, which was the lack of funding."
Alternatives: "a difficult aspect" or "a distressing element."
Ulcers can be a painful side effect of regularly taking aspirin, ibuprofen or other anti-inflammatory pain relievers.
CYBERCRIME, long a painful side effect of the innovations of Internet technology, is reaching new dimensions, security experts say.
I was also suffering from mucositis, a painful side effect of chemotherapy that causes inflammation and ulceration of the throat, mouth and digestive tract.
But there was also a "painful side" to her and her brother David Golding's upbringing, she said, which she will detail in the memoir.
Three leading medical groups have called for expanding the use of sophisticated pacemakers that can reduce the risk of sudden cardiac arrest but that have also been blamed for causing a painful side effect in some patients.
I knew from the beginning that I would love it but there was a painful side as well.
I'm so smitten that the temptation to gush is near overwhelming, but there is also a dark, painful side to Midnight's Children.
For the TMD group, this side was identified as the painful side (pain side), while for the control group this was taken as the non-preferred masticatory side (non-preferred side).
Milanov et al. [13] showed activity differences between the brainstem interneurons of the painful side and pain-free side obtained by TCR of migraine patients with unilateral headache.
It is a relief to have a film that tackles the painful side of romance, and this one has its good points.
And Mr Cameron performed pretty well, answering the toughest questions more articulately than Mr Miliband, and less flustered than Mr Clegg, whose party's plunging ratings have made him a rather painful side-show in this campaign.Whether Mr Cameron's assured performance will make much difference to the Tories' prospects was especially hard to judge, however.
