He feels headache, nausea and vomiting. (他觉得头痛、恶心和想吐。)
==> Since headache is a countable noun, I think it is better to say "He has a headache". Actually, this is included in (2) 伤风感冒.
==> Since headache is a countable noun, I think it is better to say "He has a headache". Actually, this is included in (2) 伤风感冒.