Periactin is a histamine blocker. It is used for the treatment of allergies. It will help you to stop runny nose, watery eyes, and itchy rashes.

Clarinex is an antihistamine. It helps to relieve the symptoms of hay fever (sneezing, runny nose, and itchy, watery eyes), and may help to treat hives and associated skin itch.

Atarax is an antihistamine. This medicine is used for the treatment of allergy symptoms. It is also used to treat anxiety and tension. This medicine can be used in combination with other medicines to induce sleep before surgery.

Allegra-d is an antihistamine and a decongestant. This medicine is used for the treatment  or prevention of the symptoms of allergies.