I have taken Tretiva 20 mg as per doctors advice . Shall I face any side effects? What is the side effects? Please give the details.I have taken this medicine one month.This month my period was stop,why?

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Dryness of mucous membranes, dryness of skin with scaling, fragility, erythema, cheilitis, pruritus, epistaxis, conjunctivitis, dry sore mouth and palmo-plantar exfoliation. Corneal opacities, dry eyes, visual disturbances, skeletal hyperostosis and musculoskeletal symptoms. Elevation of serum triglycerides, LFTs, ESR and blood glucose. Hair thinning, photosensitivity, changes in skin pigmentation, paronychia. GI disturbances, hepatitis. Headache, drowsiness, sweating, mood changes, psychotic symptoms, depression, suicidal tendencies, benign intracranial hypertension, seizures. Vasculitis, hypersensitivity reactions, IBS. Potentially Fatal: Anaphylaxis. Haemorrhagic pancreatitis.