The most frequent adverse reactions are italicized:
Sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesia, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, hysteria, neuritis, convulsions.
Epigastric distress, anorexia, nausea, vomiting, diarrhea, constipation.
Thickening of bronchial secretions, tightness of chest and wheezing, nasal stuffiness.
Hypotension, headache, palpitations, tachycardia, extrasystoles.
Hemolytic anemia, thrombocytopenia, agranulocytosis.
Urinary frequency, difficult urination, urinary retention, early menses.
Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose and throat.
REPORTS OF SUSPECTED CLEMASTINE SIDE EFFECTS / ADVERSE REACTIONS
Below is a sample of reports where side effects / adverse reactions may be related to Clemastine. The information is not vetted and should not be considered as verified clinical evidence.
Possible Clemastine side effects / adverse reactions in 55 year old male
Reported by a physician from Denmark on 2012-03-30
Patient: 55 year old male
Reactions: Dyspnoea, Ventricular Hypokinesia, Myocardial Ischaemia, Coronary Artery Stenosis, Anaphylactic Reaction, Pallor, Chest Pain, Electrocardiogram Change, Bradycardia, Altered State of Consciousness, Cold Sweat, Blood Pressure Decreased
Adrenalin IN OIL INJ
Dosage: 1 mg daily dosage
Indication: Anaphylactic Reaction
Hydrocortisone Sodium Succinate
Dosage: 100 mg daily dosage
Dosage: 2 mg daily dosage
Other drugs received by patient: Isotonic Solutions