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Clemastine, also known as meclastin, is a first-generation H1 histamine antagonist (antihistamine) with anticholinergic properties (drying) and sedative side effects. [1] Like all first-generation antihistamines, it is sedating. [2] [3] Patented in 1960, it came into medical use in 1967. [4]
H 1 antagonists, also called H 1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions.Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines; other agents may have antihistaminergic action but are not true antihistamines.
Start with over-the-counter treatments first, like a gentle moisturizer for dry skin, Hu says. And if the rash itches, use an over-the-counter cortisone cream for a week.
Antihistamines are usually for short-term treatment. [1] Chronic allergies increase the risk of health problems which antihistamines might not treat, including asthma, sinusitis, and lower respiratory tract infection. [1] Consultation of a medical professional is recommended for those who intend to take antihistamines for longer-term use. [1]
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Taking NSAIDs can help relieve the discomfort of fever, muscle aches, back pain, toothaches, menstrual cramps, headaches, tendonitis, bursitis and more, says Dr. Anureet Walia, MD, a pain ...
In a normal case, the swelling will decrease without treatment within 15–30 minutes, but, in extreme cases, itchy red welts may last anywhere from a few hours to days. In some cases, welts are accompanied with a painful burning sensation. [3] This calls for more urgent treatment as the condition can impact on the patient's quality of life.
Treatment Can resolve without treatment, but may require anti-histamines or corticosteroids. One of the most prevalent forms of adverse drug reactions is cutaneous reactions, [ 1 ] with drug-induced urticaria ranking as the second most common type, preceded by drug-induced exanthems . [ 2 ]