Promethazine was developed in the mid-1940s when a team of scientists from the French chemical manufacturing company Rhône-Poulenc combined phenothiazine and a diamine side chain of diphenhydramine to create a new drug. Their creation, promethazine, is a synthetic medication that belongs to a pharmaceutical family known as phenothiazines. As a medication, promethazine has several uses, including treating allergies, motion sickness, and more. It is also a strong sedative that is sometimes prescribed during labor, before and after surgery, and at other times. Promethazine is a first generation antihistamine that is only available by prescription. It effectively treats several conditions, such as: As an antihistamine, promethazine competes with histamine for binding at some of its receptor sites (H1-receptors), thereby blocking histamine from binding to many. This, in turn, prevents or reduces the typical effects of histamine activating those receptors, including hives, constriction of the airways, nausea, increased wakefulness, nasal congestion, sneezing, and a runny nose. metformin er 1000 mg Health chemist now features two methods of payment, with one being Pay-Pal and another being a secure credit card payment through the ANZ bank for visa and mastercard, featuring multi-currency, so your transactions will go through in your currency without currency conversion fees. (This product is a restricted pharmacist only product, Quantity restriction of 1 pack . If more are ordered, only 1 will be sent and the extra funds credited within 2 weeks.)Phenergan is an Antihistamine for Allergies and hayfever THIS PRODUCT IS AVAILABLE TO NEW ZEALAND CUSTOMERS ONLY AS IT IS PRESCRIPTION ONLY IN SOME COUNTRIES. Phenergan is a long-acting antihistamine for the relief of allergies including Hayfever, Allergic or Itching skin conditions (Eg Eczema, Dermatitis, Hives), Allergic reactions due to Insect bites and stings and the relief of nasal congestion due to the common Cold. Pharmacist Only Medicine Phenergan tablets contain Promethazine Hydrochloride 25mg The adult dose of Phenergan tablets is 1 to 2 tablets as a single dose at bedtime to provide relief for up to 24 hours and minimise daytime drowsiness. Phenergan tablets are not suitable for children less than 2 years of age. Tamoxifen moa Phenergan 25 mg Tablets. This includes medicines you can buy without prescription, including herbal medicines. 25mg given at night; buy viagra cebu philippines Phenergan helps to relieve symptoms of hayfever and allergies. Can prevent travel and motion sickness. Our Phenergan 25mg tablets are available without prescription. Buy Phenergan may be the solution you are looking for if you wish to kiss your allergies goodbye. Nevertheless, you still really need a relied on drug store you could. Phenergan is a medication used to alleviate feelings of nausea, such as those experienced during travel sickness. It contains an agent called promethazine, which is a type of drug called a phenothiazine. This works in the body to reduce the effect of an inflammatory chemical called histamine, which is released by the immune system. The dose you use will usually depend on the type of nausea it is being used to treat. The feeling of sickness, or urge to be sick, is referred to in medical terms as nausea, and is often succeeded by actual sickness, or vomiting. There are a number of reasons why someone might experience nausea, and the treatment method for the condition may vary according to the cause. In the body, it is an area of the brain called the ‘vomiting centre’ which sends signals to the stomach and instigates the muscle spasms that cause sickness. The vomiting centre kicks into action when it receives confusing or irritating stimulus from other parts of the body. The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine. It is written for patients and gives information about taking or using a medicine. It is possible that the leaflet in your medicine pack may differ from this version because it may have been updated since your medicine was packaged. Below is a text only representation of the Patient Information Leaflet. The original can be viewed in PDF format using the link above. The text only version may be available from RNIB in large print, Braille or audio CD. What Phenergan Tablets are and what they are used for Phenergan Tablets contain a medicine called promethazine hydrochloride. 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Phenergan 25mg 56 tablets provide relief from various allergic conditions such as hay fever, also known as allergic rhinitis and nettle rash urticaria.