
Insomnia: The perception or complaint of inadequate or poor-quality sleep because of one or more of the following: difficulty falling asleep; waking up frequently during the night with difficulty returning to sleep; waking up too early in the morning; or unrefreshing sleep. Insomnia is not defined by the number of hours of sleep a person gets or how long it takes to fall asleep. Individuals vary normally in their need for, and their satisfaction with, sleep. Insomnia may cause problems during the day, such as tiredness, a lack of energy, difficulty concentrating, and irritability.

Claritin and High Blood Pressure. This eMedTV page discusses the issues surrounding Claritin and high blood pressure. It explains why the drug is likely safe for people with this condition, explains why Claritin-D is not, and advises checking with your healthcare provider to be sure.

Claritin Interactions. As this eMedTV page explains, Claritin can interact with medications like Tagamet and Nizoral. This article describes the problems that may occur as a result, and explains why the interactions may not be a problem for most people.

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