Chlorphenamine is an antihistamine drug for pets present in the pharmaceutical market that is generally recommended by your pet’s veterinarian. The medicine mainly helps in the relief of various ailments caused due to allergies. This antihistamine drug is generally recommended by veterinarians to pets for its sedating effects. The chances of this medicine making your pet drowsy or sleepy are very high. In this regard, compared to other antihistamines this medicine is most effective. Sleep deprivation is a cause of concern for pets similar to human beings. Steps should be taken immediately to get rid of such a situation. As sleep deprivation can lead to aggravation in temper and overall disturbance in the balance and quality of life. A healthy body and mind require sound sleep during those hours of the day when the body does not cooperate with work. An important aspect to note is that during these times the body also heals the infections or any allergies that it has contracted.