What is promethazine 25mg good for?
Promethazine is used for: short-term sleep problems (insomnia) – including when a cough, cold or itching is keeping you awake at night. allergies, including hay fever and hives (urticaria) feeling and being sick (vomiting) – due to motion sickness or vertigo.
What’s promethazine injection used for?
Promethazine injection is used to relieve or prevent some types of allergy or allergic reactions. It works by preventing the effects of a substance called histamine, which is produced by the body. Histamine can cause itching, sneezing, runny nose, and watery eyes.
How long does 25 mg promethazine last?
Dosage for nausea and vomiting
Typical dosage for active nausea and vomiting: 25 mg. Between 12.5 mg and 25 mg may be taken again every 4–6 hours, if needed. Typical dosage for preventing nausea and vomiting: 25 mg every 4–6 hours as needed.
How long does it take promethazine injection to work?
In therapeutic doses, promethazine hydrochloride (promethazine hydrochloride injection) produces no significant effects on the cardiovascular system. Clinical effects are generally apparent within 5 minutes of an intravenous injection and within 20 minutes of an intramuscular injection.
How long does promethazine stay in your system?
The U.S. National Library of Medicine reports that promethazine has a total elimination half-life of 12 hours, which means that its sedative effects will vanish within 24 hours of a person’s last dose.
Does promethazine have codeine in it?
Promethazine Hydrochloride and Codeine Phosphate Syrup contains 2 medicines, promethazine and codeine. Promethazine is an antihistamine. Codeine is a narcotic cough suppressant. because it contains codeine that can be abused or lead to dependence.
How long does promethazine injection last?
For nausea and vomiting, use this medication as directed by your doctor, usually every 4 hours as needed.
Does promethazine injection make you sleepy?
Watch closely for any signs or symptoms of a local reaction like burning, pain, redness, swelling, and blistering and tell your care team immediately if any occur. These symptoms may occur when you receive the injection or may occur hours or even days after the injection. You may get drowsy or dizzy.
Is promethazine good for sleep?
Promethazine is an antihistamine sometimes used as a sleeping pill. It is also known by the trade names Phenergan and Sominex. It’s available to buy without a prescription from a doctor. It is an ingredient in some over-the-counter cold and flu medicines, such as Night Nurse.
What are common side effects of promethazine?
Promethazine can cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- dry mouth.
- drowsiness.
- listlessness.
- difficulty falling asleep or staying asleep.
- nightmares.
- dizziness.
- ringing in ears.
- blurred or double vision.
How often can I take promethazine 25 mg?
Adults and teenagers—12.5 milligrams (mg) before meals and at bedtime; or 25 mg at bedtime as needed. Children 2 years of age and older—Your doctor will determine dose based on the weight and/or size of the child. The dose is usually 6.25 to 12.5 mg three times a day; or 25 mg at bedtime as needed.
Is promethazine a narcotic?
Is promethazine DM a narcotic? No, promethazine DM is not a narcotic medication. The medication is used to treat symptoms related to a cold or allergies, it isn’t used for pain relief.
What is the side effect of promethazine injection?
severe pain, swelling, numbness, cold feeling, or discoloration in your fingers or toes; weak or shallow breathing; hallucinations; uncontrolled muscle movements in your face (chewing, lip smacking, frowning, tongue movement, blinking or eye movement);
What drugs should not be taken with promethazine?
Tell your doctor or pharmacist if you are taking other products such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or other antihistamines ( …
Why does promethazine cause sedation?
Promethazine also blocks the action of acetylcholine (anticholinergic effect), and this may explain its benefit in reducing the nausea of motion sickness. It is used as a sedative because it causes drowsiness as a side effect. The FDA approved promethazine in 1951.