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Unisom (Diphenhydramine)

Unisom (Diphenhydramine)


Doxylamine is a first-generation antihistamine used as a short-term sedative and hypnotic (sleep aid) or in combination formulations to provide night-time allergy and cold relief.

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Many people have trouble sleeping. The reasons for this can be different: stress, difficulties at work, smoking, disagreement in the family, unrest, drinking alcohol, poor nutrition, a sedentary lifestyle, lack of fresh air (office work), and other reasons. A person cannot get a good sleep and feels tired, irritated and depressed the next day. Such a rhythm can lead to serious violations of both psychological and physical conditions. To avoid this, people are looking for different ways to sleep peacefully and well. A great solution is sleeping pills such as Unisom.

Unisom sleeping pills

Unisom is a special medicament aimed at treating insomnia. Its active ingredient is diphenhydramine. This element acts on certain parts of the brain and soothes the centers of the nervous system to give a person a sense of calm and good sleep. Such a drug may also have an analog – SleepTabs Unisom. But there are certain differences between them; SleepTabs Unisom has another active component – doxylamine. Elements such as diphenhydramine or doxylamine cause a feeling of drowsiness and the patient gets a good sleep. Both types of these drugs of Unisom should be bought only with a prescription.

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We make medicines affordable for everyone; therefore we offer such low prices and the best quality of service. We have simplified the search system for the necessary drug and the function of placing an order. Now you can purchase the necessary tablets very quickly and arrange delivery to your home. All our products have high quality because we care about the health of our customers. If you need to order Unisom online, then our online pharmacy will be a great platform for this. You do not need to go to the pharmacy on foot even if it is near your home. Visit our website and get your medicaments very quickly.

Unisom dosage

Unisom Sleep Tabs is available in a dosage of 25 mg. Some patients take between 25-75 mg and this dose is enough to sleep well. But the daily dosage should not exceed 150 mg per day. If the patient takes an increased dosage of this medicament, then he should be under the attentive supervision of a doctor. To get an excellent effect, take the necessary dosage half an hour before bedtime. You may experience an unpleasant sensation in your stomach so you may have a bite to eat. But doctors don’t recommend eating tight before bed so eat something light.

 Unisom side effects

Unisom or diphenhydramine side effects may be similar – talk with your MD to get an individual dose. Common side effects may include difficulty urinating, excessive sweating, stomach discomfort, constipation, water balance problems, dry eyes or mouth, severe drowsiness, headache, dry throat, balance problems, dizziness, difficulty getting an erection or decreased libido, vision problems (blurry or double vision).

Some patients experienced more serious side effects (but very rarely): bleeding, bruising, seizures, irregular heartbeat. More serious side effects can also occur severe irritability, tinnitus, difficulty urinating, hallucinations, changeable mood, problems with impaired concentration, confusion. If you feel a certain symptom from the list of side effects, then contact your doctor or call an ambulance. Tell in detail what drug you took and what symptoms you felt to get appropriate medical care.


The list of contraindications includes not only the diseases that the patient has but also the drugs that he takes. The combination of these drugs is undesirable and this can lead to bad consequences and harm your health. Talk with your doctor if you are taking:

  • Cancer drugs.
  • Antihistamines.
  • Muscle relaxants.
  • Parkinson’s disease drugs.
  • Monoamines oxidize inhibitors.
  • Potassium supplements.
  • Medicaments for mood disorders or depression.
  • Medications for sleep like Valium, Ambien, Xanax.

If the patient plans to take Unisom Sleep Aid, then he needs to discuss his illness with the doctor. This medicament may be dosed individually or may be prohibited. Discuss with your MD if you have:

  • An allergic reaction to the components of the drug.
  • Angle-closure glaucoma.
  • Bladder blockage.
  • Difficulty urinating.
  • Increased eye pressure.
  • Stomach ulcer.
  • Hyperactivity of the thyroid gland.
  • High blood pressure.
  • Enlarged prostate.
  • Chronic idiopathic syndrome.

Unisom and Alcohol

 Unisom tablets can have various side effects but this medicine also leads to dry mouth, dry eyes, and mild dizziness. Such symptoms are similar to a state of alcohol intoxication; therefore, the combination of this medication with alcohol is prohibited. Also, the combination of Unisom and alcohol can lead to increased risks of side effects. The patient could not take this medicine while drinking alcohol. If you want to get a sound and healthy sleep, take the necessary dosage of the medicine and give up alcohol while the active component is in your body.


If you are using this medication then you need to know the exact Diphenhydramine dosage. This medicament is used for a wider spectrum of action. This can be taken as a cure for itching, lacrimation, allergies, colds, sneezing. Some people use this medicine to treat the symptoms of motion sickness. Side effects can be next: drowsiness or dizziness. Alcohol is prohibited in combination with this medication. Young children should not take this medicine because it can lead to shortness of breath.

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If you need to buy Diphenhydramine hydrochloride 50 mg, then visit our online pharmacy. Here you can purchase high-quality medicines at affordable prices. Our range of drugs is very large and we regularly replenish our catalog with the most effective medicines for the treatment of various diseases. You can use the convenient search system to find the right medicament. If you have any questions, you can write to us at any time. We offer only the best medicines you can buy without a prescription. Be attentive to your health and discuss the purpose and dosage with your doctor. In our catalog, you can find not only the brand drugs but also generics that also have excellent quality and cheap price.

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