Phenergan Injection is used to treat nausea and vomiting associated with motion sickness, or maybe before and after any surgery. It is also used in combination with other medicines to treat severe allergic reactions (anaphylaxis).

Phenergan Injection is given as an injection under the supervision of healthcare professionals. It should be taken as your doctor's advice. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you. You must inform your doctor if symptoms do not improve within 7 days of the treatment.

The most common side effects of this medicine include dry mouth, blur vision, headache, and feeling dizzy.  If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. It makes the skin more sensitive towards sunlight. use sunscreen or wear protective clothing before going out.

Before taking this medicine, let your doctor know if you have glaucoma or have asthma issues, or have high blood pressure. Inform your doctor if you are pregnant, or breastfeeding. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Generally, it is advised to avoid alcohol while on treatment.