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Hydroxyzine hydrochloride is a sedating first-generation antihistamine. The selected UK product is licensed for anxiety in adults and itching associated with urticaria or dermatitis in adults and children.
Hyetellose with sodium chloride is a lubricant eye-drop preparation that substitutes for natural tears and relieves dry-eye symptoms associated with reduced tear production.
Hyoscine is an antimuscarinic anti-sickness treatment. The transdermal patch is licensed to prevent travel-sickness symptoms such as nausea, vomiting and vertigo.
Hyoscine butylbromide is a peripheral antimuscarinic antispasmodic that relaxes smooth muscle in the digestive, biliary and urinary tracts. Tablets relieve gastrointestinal or genitourinary spasm and IBS symptoms; injections are used for acute spasm and some diagnostic procedures.
Hyoscine hydrobromide is an antimuscarinic that reduces signalling involved in nausea, vomiting and bodily secretions. Tablets can prevent travel sickness; injections have several hospital uses.
Hypromellose is an ocular lubricant that acts as an artificial tear. It coats and moistens the eye surface to relieve dryness and irritation caused by reduced or unstable tears.