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Phenergan

No Prescription

Phenergan is an antihistamine. Phenergan is prescribed to treat allergic reactions and to treat or prevent nausea and vomiting from illness or motion sickness. Phenergan is prescribed to make you sleep before surgery, and to help treat pain or nausea after surgery. Phenergan is prescribed to relieve the symptoms of allergic reactions such as:
- Allergic conjunctivitis (red watery eyes caused by allergies);
- Allergic reactions to blood or plasma products;
- Allergic rhinitis (runny nose and watery eyes caused by allergy to pollen mold or dust);
- Allergic skin reactions;

Phenergan helps control symptoms, but will not treat the cause of the symptoms or speed recovery.
Phenergan is in a class of drugs called phenothiazines.
Phenergan is prescribed to prevent and control nausea and vomiting that may occur after surgery, and with other drugs to help relieve pain after surgery.
Phenergan is prescribed to prevent and treat motion sickness.
Phenergan is prescribed to relax and sedate patients before and after surgery, during labor, and at other times.
Phenergan is prescribed with other drugs to treat anaphylaxis (sudden, severe allergic reactions) and the symptoms of the common cold such as sneezing, cough, and runny nose.
Phenergan works by blocking the action of a certain natural substance in the body.

Contraindications

Phenergan is contraindicated if you have any of the following conditions:
- Glaucoma;
- High blood pressure or heart disease;
- Kidney disease;
- Liver disease;
- Lung or breathing disease, like asthma;
- Prostate trouble;
- Pain or difficulty passing urine;
- Seizures;
- An unusual or allergic reaction to Phenergan or phenothiazines, other drugs, foods, dyes, or preservatives;
- Pregnant or trying to get pregnant;
- Breast-feeding;
- Tell your doctor and pharmacist if you are allergic to Phenergan, other phenothiazines (certain medications prescribed to treat mental illness, nausea, vomiting, severe hiccups, and other conditions) or any other medications. Also tell your doctor and pharmacist if you have ever had an unusual or unexpected reaction when you took Phenergan, another phenothiazine, or any other medication. Ask your doctor or pharmacist if you do not know if a medication you are allergic to is a phenothiazine.
- Tell your doctor and pharmacist what script and nonscript medications, vitamins, nutritional supplements and herbal products you are taking or plan to take. Be sure to mention any of the following: antidepressants ('mood elevators') such as amitriptyline (Elavil), amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin), doxepin (Adapin, Sinequan), imipramine (Tofranil), nortriptyline (Aventyl, Pamelor), protriptyline (Vivactil), and trimipramine (Surmontil) antihistamines azathioprine (Imuran)barbiturates such as phenobarbital (Luminal) cancer chemotherapy epinephrine (Epipen) ipratropium (Atrovent)medications for anxiety, irritable bowel disease, mental illness, motion sickness, Parkinson's disease, seizures, ulcers, or urinary problems monoamine oxidase inhibitors (MAOIs) such as isocarboxazid (Marplan), phenelzine (Nardil), tranylcypromine (Parnate), and selegiline (Eldepryl, Emsam, Zelapar) narcotics and other pain medication sedatives sleeping pillsand tranquilizers. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- Tell your doctor if you have or have ever had an enlarged prostate (a male reproductive gland) glaucoma (a condition in which increased pressure in the eye can lead to gradual loss of vision) seizures ulcers blockage in the passage between the stomach and intestine blockage in the bladder asthma or other lung disease sleep apnea cancerany condition that affects the production of blood cells in your bone marrow or heart or liver disease. If you will be giving Phenergan to a child, also tell the child's doctor if the child has any of the following symptoms before he or she receives the medication: vomiting, listlessness, drowsiness, confusion, aggression, seizures, yellowing of the skin or eyes, weakness, or flu-like symptoms. Also tell the child's doctor if the child has not been drinking normally, has had excessive vomiting or diarrhea, or appears dehydrated.
- Tell your doctor if you are pregnant or plan to become pregnant. If you become pregnant while taking Phenergan, call your doctor. Do not breastfeed while you are taking Phenergan.
- If you are having surgery, including dental surgery, tell the doctor or dentist that you are taking Phenergan.
- You should know that this medication may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you. If you are giving Phenergan to a child, watch the child to be sure he or she does not get hurt while riding a bike or participating in other activities that could be dangerous.
- Remember that alcohol can add to the drowsiness caused by this medication.

Interactions

Do not take Phenergan with any of the following drugs:
- Drugs called MAO Inhibitors like Nardil, Parnate, Marplan, Eldepryl;
- Other phenothiazines like trimethobenzamide;
- Barbiturates like phenobarbital;
- Bromocriptine;
- Certain antidepressants;
- Certain antihistamines prescribed in allergy or cold drugs;
- Epinephrine;
- Levodopa;
- Drugs for sleep;
- Drugs for mental problems and psychotic disturbances;
- Drugs for movement abnormalities as in Parkinson's disease, or for gastrointestinal problems;
- Muscle relaxants;
- script pain drugs;

Side Effects

Phenergan side effects that you should report to your health care professional or doctor as soon as possible:
- Blurred vision;
- Irregular heartbeat, palpitations or chest pain;
- Muscle or facial twitches;
- Pain or difficulty passing urine;
- Seizures;
- Skin rash;
- Slowed or shallow breathing;
- Unusual bleeding or bruising;
- Yellowing of the eyes or skin;
- Headache;
- Nightmares, agitation, nervousness, excitability, not able to sleep (these are more likely in children);
- Stuffy nose;
- Dry mouth;
- Drowsiness;
- Listlessness;
- Difficulty falling asleep or staying asleep;
- Nightmares;
- Dizziness;
- Ringing in ears;
- Blurred or double vision;
- Loss of coordination;
- Upset stomach;
- Vomiting;
- Nervousness;
- Restlessness;
- Hyperactivity;
- Abnormally happy mood;
- Stuffy nose;

Overdose

Reported Phenergan overdose symptoms are:
- Difficulty breathing;
- Slowed or stopped breathing;
- Dizziness;
- Lightheadedness;
- Fainting;
- Loss of consciousness;
- Fast heartbeat;
- Tight muscles that are difficult to move;
- Loss of coordination;
- Continuous twisting movements of the hands and feet;
- Dry mouth;
- Wide pupils (black circles in the middle of the eyes);
- Flushing;
- Upset stomach;
- Constipation;
- Abnormal excitement or agitation;

Dosage

Phenergan is available in tablet, syrup, and suppository form. The suppositories are for rectal use only. Phenergan tablets and suppositories are not recommended for children under 2 years of age.

ALLERGY

Adults

The average oral dose is 25 mg taken before bed; however, your doctor may have you take 12.5 mg before meals and before bed.

Children

The usual dose is a single 25-mg dose at bedtime, or 6.25 to 12.5 mg 3 times daily.

MOTION SICKNESS

Adults

The average adult dose is 25 mg taken twice daily. The first dose should be taken one-half to 1 hour before you plan to travel, and the second dose 8 to 12 hours later, if necessary. On travel days after that, the recommended dose is 25 mg when you get up and again before the evening meal.

Children

The usual dose of Phenergan tablets, syrup, or rectal suppositories is 12.5 to 25 mg taken twice a day.

NAUSEA AND VOMITING

The average dose of Phenergan for nausea and vomiting in children or adults is 25 mg. When oral medication cannot be tolerated, use the rectal suppository. Your doctor may have you take 12.5 to 25 mg every 4 to 6 hours, if necessary.

For nausea and vomiting in children, the dose is usually calculated at 0.5 mg per pound of body weight and will also be based on the age of the child and the severity of the condition being treated. Phenergan and other anti-vomiting drugs should not be given to children if the cause of the problem is unknown.

INSOMNIA

Adults

The usual dose is 25 to 50 mg for nighttime sedation.

Children

The usual dose is 12.5 to 25 mg by tablets or rectal suppository at bedtime.

Older Adults

The dosage is usually reduced for people over 60.

(c) 2017