Possible side effects include abdominal pain, allergy, diarrhea, headache, hepatic dysfunction/hepatitis, nausea or vomiting, exacerbation of porphyries, pruritis, rash, somnolence, vertigo, or dizziness.
en.wikipedia.org Cough can also worsen in an acute exacerbation of chronic obstructive pulmonary disease.
en.wikipedia.org Other frequent side effects include skin dryness, pruritus, nausea, photodrug reactions (including popular acne medications used by teens), disease exacerbation and disease induction.
en.wikipedia.org Hypochondria could be present and represent an exacerbation of organic disease.
en.wikipedia.org In those with a severe exacerbation, antibiotics improve outcomes.
en.wikipedia.org