<p>Occasionally observed reactions are - Gastrointestinal disturbance: Epigastric pain, nausea, vomiting, diarrhoea, dyspepsia. Central nervous system disturbance: Headache, insomnia. Hypersensitivity reaction: Skin rash, pruritis, photosensitization. Others: Myalgia and/or arthralgia, tendonitis, rupture of achilles tendon.</p>