chronic eczema symptomschronic atopic dermatitis treatmentchronic psoriasis treatmentchronic thrombocytopeniachronic microangiopathic diseasechronic myelofibrosischronic sclerosischronic asthma treatmentchronic idiopathic urticariachronic anxiety treatmentchronic idiopathic thrombocytopeniaacute asthma vs chronic asthma