Buy Promethazine online


Promethazine is a medicine that falls under the class of drugs referred to as Phenothiazines. Promethazine transforms the chemical reactions in the brain. Promethazine as an antihistamine counteracts histamine effects in the body. It works effectively for the treatment of the various symptoms of allergy such as sneezing, running nose, itching, hives, watery or itchy eyes, and skin rashes. Promethazine is a preventive agent for motion sickness and a curative agent for nausea, vomiting or pain (after surgery). Promethazine works when used as a sedative drug or sleeping pill. Promethazine is restrained from the treatment of symptoms of pneumonia, asthma, infections or other lower respiratory tract.


Promethazine as an antihistamine works for the prevention and cure of nausea and vomiting. It helps in treating allergy signs such as running nose, rash, and itching. Promethazine can be used as a sleeping pill after surgery or boost the work of some used narcotic pain relievers such as meperidine.

Mode of Indication, Dosage, and Duration of Treatment

You are advised to adhere to all given instructions by your doctor or those found on the prescription label. Your dose may at times be changed by your doctor for effective treatment results. Ensure you do not take Promethazine more, less or longer than it is required. You may take dosage when going to bed or before eating. For the treatment of motion sickness, you should take the prescribed dosage an hour before traveling. Promethazine is used the night preceding surgery when used for surgery. Your condition will determine the frequent use of Promethazine tablet and the timing of its use. For proper measurement, you are advised to use dose-measuring objects. Notify your doctor if there are weight changes in a child when Promethazine is recommended. Ensure you notified the doctor if there is no improvement or if there is deterioration when Promethazine is used. Make sure you notify your doctor about the use of Promethazine.


Ensure you follow strictly the following precautionary measures before or when using Promethazine:

  • Children, less than 2 years old are restricted from the use of Promethazine. The use may lead to severe difficulty breathing or death.
  • Patients that have allergy to Promethazine or other related medications such as fluphenazine, mesoridazine, chlorpromazine, prochlorperazine, perphenazine, trifluoperazine or thioridazine; should keep away from its use.
  • Ensure you notify the doctor if you experienced any of the following:
    • Asthma;
    • Glaucoma;
    • A sulfite allergy;
    • Seizures;
    • Liver disease;
    • A weak immune system;
    • Chronic obstructive pulmonary disease (COPD);
    • Enlarged prostate or urinary problem;
    • Stomach obstruction or ulcer;
    • Heart disease or hypertension;
    • Sleep apnea, or other breathing problems;
    • Adrenal gland tumor;
    • Low levels of calcium in your blood;
    • Serious side effects of Promethazine or any other Phenothiazines.
  • Pregnant women and lactating mothers are advised to search the advice of their doctors before using Promethazine.

Side Effects

Ensure you seek immediate medical help if you begin to experience any symptoms of allergic reactions to Promethazine. These signs may be the inflammation of your tongue, face, lips or throat; hives; or difficulty in breathing. The following are some of typical side effects of Promethazine:

  • Nervousness;
  • Drowsiness;
  • Fatigue;
  • Dizziness;
  • Ringing in your ears;
  • Dry mouth;
  • Double vision;
  • Insomnia.

Missed Dose

In a situation whereby you forget to use your prescribed medicine, you can always take it at the moment of recollection. However, mind the time for the next dose if not close. Taking two doses at one time should be avoided.


Peradventure you take more than the prescribed doses, quickly see your doctor or call for emergency medical help. Taking more than the prescribed drugs may result in:

  • Dilated pupils;
  • Overactive reflexes;
  • Weak or shallow breathing;
  • Severe drowsiness or weakness;
  • Fainting;
  • Loss of coordination;
  • Convulsions.

Interaction with other drugs

You are advised to notify your doctor before using any new medication with Promethazine. Medications such as sedative drugs, cold or allergy drug, narcotic pain drug, sleeping pills, muscle relaxer, medications for depression, seizure or anxiety may result in obnoxious effects. Tell your doctor about the medications you use. The following medications may interact with Promethazine:

  • A blood thinner;
  • Methscopolamine;
  • Belladonna;
  • Dimenhydrinate;
  • Scopolamine;
  • Blood pressure medication;
  • Bronchodilators;
  • Benztropine;
  • Lithium;
  • Bladder or urinary medications;
  • Atropine;
  • An MAO inhibitor.

Ensure you notify your doctor on the use of any of the following:

  • Prescription and over-the-counter medicines;
  • Vitamins;
  • Minerals;
  • Herbal products.