Promethazine is a medicine that has a variety of uses. It can be used as an antihistamine (to control runny nose, sneezing, watering eyes etc.) but also for motion sickness and treatment before and after surgery. The antihistamine mode of action is straightforward as it prevents histamine from being produced in the body, which in turn controls the allergic response of the patient. As far as motion sickness and calming effect are concerned, the mode of action is not fully understood.
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Common side effects include:Blurred visionRestlessnessDrowsiness or fatigueHeadacheSleep disordersThere are some serious side effects that may occur when taking promethazine. You should stop taking the medication immediately and seek medical attention if you experience any of the following:Abnormal bruising or bleedingYellowing of the skin or whites of the eyes as this can be a sign of liver problemsMuscle or joint stiffnessCan I drink alcohol with this medication?Avoid drinking alcohol while taking promethazine- this can increase the risks of side effects.How should I use this medication?Only take promethazine when you need it, such as relief for hay fever. Always use as directed.How do I take this medication?Always take promethazine with a drink of water. Swallow them whole. Do not chew them.What if I forg
Avoid drinking alcohol while taking promethazine- this can increase the risks of side effects.
Only take promethazine when you need it, such as relief for hay fever. Always use as directed.
Always take promethazine with a drink of water. Swallow them whole. Do not chew them.
Skip the missed dose and take your next dose at the usual time.
Never take two doses at the same time. Never take an extra dose to make up for a forgotten one.
Symptoms should start to improve within 20 minutes. The medicine should work for around 4 to 6 hours.
You should only take promethazine for a short time unless advised by a healthcare professional.
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