How does Unisom Sleep (Diphenhydramine Hydrochloride) work:

Unisom Sleep (Diphenhydramine Hydrochloride) is a sleep-aid, which assists to reduce difficulty falling asleep. Diphenhydramine belong to the medicine group called antihistamines. Antihistamine act by blocking histamine receptors. Thus they are able to reduce reactions that cause sleeplessness.

Administer the drug only as directed. For your individual dosage discuss yourself with your medical supervisor. Never take more Unisom than recommended by him. Commonly the recommended dose is 25 mg. The active agent diphenhydramine hydrochloride generally begins to work 15 to 30 minutes after administration. Usually Unisom's effects will last around 4 to 8 hours.

Side Effects:

Certain adverse reactions are reported with Unisom Sleep. Some experience these, others will not be affected. If you observe uncomfortable effects, consult a physician, since some of the mentioned side effects need professional support. If you are experiencing some of the following reactions, discuss them with your physician:

• Confusion
• Changes in vision
• Dizziness
• Drowsiness
• Fast heartbeat
• Loss of appetite
• Unusual excitement
• Nervousness
• Restlessness
• Irritability
• Nightmares
• Increased sweating
• Increased sensitivity to light
• Difficult or painful urination

Unisom should be used in caution in patients with narrow-angle glaucoma or bladder-neck obstruction. More over it is recommended to use the product carefully when there is a history of increased intraocular pressure, lower respiratory disease, hyperthyroidism, cardiovascular disease or hypertension exist.
Note that an overdose in infants and children may cause hallucinations, convulsions, or death, and therefore should be administered very carefully. In elderly patients Unisom highly likely causes dizziness, sedation and hypotension.

Further Information:

In case you are pregnant or breast-feeding discuss an administration with your medical supervisor. Further makes sure to keep the product out of reach of children.