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phenothiazine, fee-noe-thye-a-zeen, -derivative antihistamines, relieve, prevent the symptoms, hay fever and other types, allergy, work by preventing the effects, a substance, histamine, which is produced by the body, histamine can cause itching, sneezing, runny nose, watery eyes, in some persons histamine can close up the bronchial tubes, air passages, the lungs, make breathing difficult, antihistamines are also, prevent motion sickness, nausea, vomiting, dizziness (Encyc), help people go to sleep and control their anxiety before, after surgery, phenothiazine-derivative antihistamines, antihistamines are available only with a physician's prescription, some are available, without a prescription, special instructions on the proper dose, the medicine for my medical condition, available, following dosage forms, oral, methdilazine, syrup, tablets, chewable tablets, promethazine, syrup, tablets, trimeprazine, extended-release capsules, syrup, tablets, parenteral, promethazine, injection, rectal, promethazine, suppositories, for phenothiazine-derivative antihistamines, allergic reaction to these medicines, to phenothiazines, allergic to any other substances, foods, preservatives, dyes, methdilazine, promethazine, trimeprazine, haven't been studied in pregnant women, in animal studies, promethazine has not been shown to cause birth defects (Encyc), other phenothiazine medicines caused jaundice and muscle tremors in a few newborn babies whose mothers received these medicines during pregnancy, the newborn baby, blood clotting problems if promethazine is taken by the mother within 2 weeks before delivery, pregnant, may become pregnant, when breast-feeding (Encyc), small amounts, antihistamines pass into the breast milk, use by nursing mothers is not recommended since babies are more sensitive to the side effects, antihistamines, unusual excitement, irritability, with the use, phenothiazine-derivative antihistamines there is the chance that the nursing baby, more at risk, having difficulty in breathing while sleeping, the sudden infant death syndrome, sids, more studies, needed to confirm this, tend to decrease the secretions, the body, possible that the flow, breast milk, reduced in some patients, children serious side effects, convulsions, seizures, more likely to occur in younger patients and would be, greater risk to infants than to older children, in general, children are more sensitive to the effects, antihistamines, nightmares, unusual excitement, nervousness, restlessness, irritability, more likely to occur in children, the use, phenothiazine-derivative antihistamines is not recommended in children who have a history, difficulty in breathing while sleeping, a family history, sudden infant death syndrome, sids, children younger than 2 years, age should not take promethazine, severe and sometimes fatal breathing and lung problems, unsure about whether, not my child, infant should be taking promethazine, children who show signs, reye's syndrome should not be given phenothiazine-derivative antihistamines, especially by injection, uncontrolled movements that may occur with phenothiazine-derivative antihistamines, mistakenly confused with symptoms, reye's syndrome, teenagers adolescents who show signs, reye's syndrome should not be given phenothiazine-derivative antihistamines, especially by injection, uncontrolled movements that may occur with phenothiazine-derivative antihistamines, mistakenly confused with symptoms, reye's syndrome, elderly patients are especially sensitive to the effects, antihistamines, confusion; difficult, painful urination; dizziness; drowsiness; feeling faint, dryness, the mouth, nose, throat, more likely to occur in elderly patients, nightmares, unusual excitement, nervousness, restlessness, irritability, more likely to occur in elderly patients, uncontrolled movements, more likely to occur in elderly patients taking phenothiazine-derivative antihistamines, an interaction might occur, change the dose, when taking phenothiazine-derivative antihistamines, health care professional know, taking/receiving, amoxapine, asendin, antipsychotics, medicine for mental illness, methyldopa, aldomet, metoclopramide, reglan, metyrosine, demser, pemoline, cylert, pimozide, orap, rauwolfia alkaloids, alseroxylon, rauwiloid, deserpidine, harmonyl, rauwolfia serpentina, raudixin, reserpine, serpasil, side effects, uncontrolled body movements, may become more severe and frequent if they are used together with phenothiazine-derivative antihistamines, anticholinergics, medicine for abdominal, stomach spasms, cramps, side effects, phenothiazine-derivative antihistamines, anticholinergics, dryness, mouth, central nervous system, cns, depressants, medicines that cause drowsiness (Encyc), maprotiline, tricyclic antidepressants, medicine for depression, cns depressants, antihistamines, drowsiness (Encyc), may become more severe; also, taking maprotiline, tricyclic antidepressants, some side effects, antihistamines, dryness, mouth, to become more severe; taking promethazine with these medicines may make very serious lung problems worse, contrast agent, injected into spinal canal, an x-ray test, the head, spinal canal, nervous system for which you are going to receive an injection into the spinal canal, phenothiazine-derivative antihistamines may increase the chance, seizures; stop taking any phenothiazine-derivative antihistamine 48 hours before the test and do not start taking it until 24 hours after the test, levodopa, when used together with phenothiazine-derivative antihistamines, the levodopa may not work as it should, monoamine oxidase, mao, inhibitor activity, isocarboxazid, marplan, isocarboxazid, marplan, phenelzine, nardil, procarbazine, matulane, selegiline, eldepryl, tranylcypromine, parnate, are now taking, taken within the past 2 weeks, the mao inhibitors, the side effects, the phenothiazine-derivative antihistamines may become more severe; these medicines should not be used together other medical problems, antihistamines, any other medical problems, blood disease, heart, blood vessel disease, more serious conditions to develop, airway blockage, breathing/lung problems, sleep apnea, stop breathing while asleep, promethazine should not be used; may make condition much worse, comatose state, unconscious, should not be given to patients, in a coma, encephalopathy, brain disease, reye's syndrome, phenothiazine-derivative antihistamines, especially promethazine, may increase the chance, uncontrolled movements, promethazine use should be avoided in children with these conditions, enlarged prostate, urinary tract blockage, difficult urination (Encyc), phenothiazine-derivative antihistamines, urinary problems to become worse, epilepsy, seizure disorders, phenothiazine-derivative antihistamines, especially promethazine, may increase the chance, seizures, glaucoma, a slight increase in inner eye pressure that may worsen the condition, intestinal tract obstruction, stomach ulcer, phenothiazine-derivative antihistamines should be used with caution, may make the condition worse, jaundice, phenothiazine-derivative antihistamines may make the condition worse, liver disease (Encyc), phenothiazine-derivative antihistamines may build up, which may increase the chance, side effects, muscle spasms, antihistamines, relieve, prevent the symptoms, medical problem, take them, directed, them and do not take them more often than recommended on the label, side effects, by mouth, antihistamines can be taken with food, a glass, water, milk, lessen stomach irritation if necessary, the extended-release capsule, form, swallow it whole, do not break, crush, chew before swallowing, for patients taking promethazine for motion sickness, medicine 30 minutes to 1 hour before you begin to travel, for patients using the suppository form, to insert suppository: first remove the foil wrapper and moisten the suppository with cold water, lie down on my side and use my finger to push the suppository well up into the rectum, the suppository is too soft to insert, chill the suppository, refrigerator for 30 minutes, run cold water over it before removing the foil wrapper, for patients using the injection form, will be giving myself the injections, make sure you understand exactly, give them, an antihistamine will be different for different patients, follow a physician's orders, the directions on the label, the average doses, antihistamines, dose is different, the number, capsules, tablets, teaspoonfuls, liquid, take depends on the strength, the number, doses you take each day, the time between doses depends on whether you are taking a short-acting, long-acting form, antihistamine, for methdilazine, for regular, short-acting, oral, dosage forms, tablets, liquid, for allergy symptoms, adults and teenagers, 8 milligrams, every six to twelve hours as needed, children younger than 3 years, children 3 to 12 years, 4 mg every six to twelve hours as needed, for promethazine, for regular, short-acting, oral, dosage forms, tablets, liquid, for allergy symptoms, adults and teenagers, 10 to 12.5 mg four times a day before meals and at bedtime, 25 mg at bedtime as needed, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 5 to 12.5 mg three times a day, 25 mg at bedtime as needed, for nausea and vomiting (Encyc), adults and teenagers, 25 mg for the first dose, then 10 to 25 mg every four to six hours, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 10 to 25 mg every four to six hours as needed, for prevention, motion sickness, adults and teenagers, 25 mg taken one-half to one hour before traveling, repeated eight to twelve hours later, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 10 to 25 mg one-half to one hour before traveling, repeated eight to twelve hours later, for vertigo, dizziness (Encyc), adults and teenagers, 25 mg two times a day as needed, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 10 to 25 mg two times a day as needed, for use as a sedative, adults and teenagers, 25 to 50 mg, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 10 to 25 mg, for injection, dosage form, for allergy symptoms, adults and teenagers, 25 mg injected into a muscle, into a vein, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 6.25 to 12.5 mg injected into a muscle three times a day, 25 mg at bedtime as needed, for nausea and vomiting (Encyc), adults and teenagers, 12.5 to 25 mg injected into a muscle, into a vein every four hours as needed, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 12.5 to 25 mg injected into a muscle every four to six hours as needed, for use as a sedative, adults and teenagers, 25 to 50 mg injected into a muscle, into a vein, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 12.5 to 25 mg injected into a muscle, for suppository, dosage form, for allergy symptoms, adults and teenagers, 25 mg inserted in rectum, another 25-mg suppository, inserted two hours later, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 6.25 to 12.5 mg inserted into the rectum three times a day, 25 mg at bedtime as needed, for nausea and vomiting (Encyc), adults and teenagers, 25 mg inserted into the rectum for the first dose, then 12.5 to 25 mg every four to six hours, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 12.5 to 25 mg inserted into the rectum every four to six hours as needed, for vertigo, dizziness (Encyc), adults and teenagers, 25 mg inserted into the rectum, two times a day as needed, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 12.5 to 25 mg inserted into the rectum two times a day as needed, for use as a sedative, adults and teenagers, 25 to 50 mg inserted into the rectum, children younger than 2 years, children 2 years, age and older, a physician will determine dose based on the weight and/or size, the child, given 12.5 to 25 mg inserted into the rectum, for trimeprazine, for regular, short-acting, oral, dosage forms, tablets, liquid, for allergy symptoms, adults and teenagers, 2.5 mg four times a day as needed, children younger than 2 years, children 2 to 3 years, 1.25 mg at bedtime, three times a day as needed, children 3 to 12 years, 2.5 mg at bedtime, three times a day as needed, for long-acting oral, dosage forms, extended-release capsules, for allergy symptoms, adults and teenagers, 5 mg every twelve hours as needed, children younger than 6 years, children 6 to 12 years, 5 mg once a day as needed, missed dose, taking this medicine regularly and you miss a dose, almost time for my next dose, skip the missed dose, back to my regular dosing schedule, do not double doses, keep out of a child's reach, overdose, very dangerous in children, store away from heat and direct light, do not store the capsule, tablet form, bathroom medicine cabinet, in other damp places, heat, moisture, the medicine to break down, keep the liquid form, from freezing, do not keep outdated medicine, medicine no longer needed, discarded medicine is out of a child's reach, precautions, know the side effects, taking this medicine before you have any skin tests for allergies, the tests, affected by this medicine, when taking phenothiazine-derivative antihistamines on a regular basis, taking large amounts, aspirin at the same time, as for arthritis, rheumatism, too much aspirin, ringing, ears, covered up by the antihistamine, phenothiazine-derivative antihistamines will add to the effects, alcohol and other cns depressants, medicines that slow down the nervous system, possibly causing drowsiness (Encyc), some examples, cns depressants are sedatives, tranquilizers, sleeping medicine; prescription pain medicine, narcotics; barbiturates; medicine for seizures; muscle relaxants, anesthetics, some dental anesthetics, check with a physician before taking, check with a physician, symptoms, pale, blue lips, fingernails, skin, troubled breathing, irregular, fast, slow, shallow breathing, shortness of breath, a condition, respiratory depression, check with a physician right away and stop taking my medicine, muscle rigidity, fever, fast breathing, seizures, fast heartbeat, increased sweating, bladder control, unusually pale skin, tiredness, weakness, symptoms, a serious condition, neuroleptic malignant syndrome, some people to become drowsy, less alert than they are normally, taken at bedtime, can cause some people to feel drowsy, less alert on arising, make sure you know how you react to the phenothiazine-derivative antihistamine you are taking before you drive, not alert, phenothiazine-derivative antihistamines, dryness, the mouth, nose, throat, for temporary relief, mouth dryness, use sugarless candy, gum, melt bits, ice, in my mouth, use a saliva substitute, mouth continues to feel dry for more than 2 weeks, check with my medical doctor, continuing dryness, the mouth may increase the chance, dental disease, tooth decay, gum disease, fungus infections (Encyc), controls nausea and vomiting (Encyc), reason, can cover up some, the signs, overdose caused by other medicines, appendicitis, this will make it difficult for a physician to diagnose these conditions, other symptoms, appendicitis, stomach, lower abdominal pain (Encyc), cramping, soreness, think you, any medicine, side effects, along with its needed effects, some unwanted effects, side effects may occur, may need medical attention, side effects occur, sore throat and fever, unusual bleeding, bruising, unusual tiredness (Encyc), weakness, incidence not known, abdominal, stomach pain, area rash, tarry stools (Encyc), bleeding gums, blood in urine (Encyc), stools, bloody nose, bluish skin, lips, chest pain (Encyc), discomfort, chills, clay-colored stools, confusion about identity, place, continuing ringing, buzzing, other unexplained noise in ears, convulsions, cough, hoarseness, dark urine, decreased awareness, responsiveness, troubled breathing, difficulty in speaking, drooling, fainting, fever with, without chills, fixed position, eye, general feeling, tiredness, weakness, headache, hearing loss, heavier menstrual periods, high fever, high, low blood pressure, hives, welts, hysteria, irregular, fast, slow, shallow breathing, itching, large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs, lightheadedness, balance control, bladder control, strength, energy, lower back, side pain, menstrual periods, mimicry, speech, movements, muscle pain, weakness, muscle spasm, jerking, all extremities, muscle trembling, jerking, stiffness, mutism, nausea, negativism, not breathing, painful, difficult urination (Encyc), pale, blue lips, fingernails, skin, peculiar postures, movements, mannerisms, grimacing, pinpoint red spots on skin, redness, skin, restlessness, seeing, hearing, feeling things that are not there, severe muscle stiffness, severe muscle stiffness, severe sleepiness, shortness of breath, shuffling walk, slow, irregular heartbeat (Encyc), sore throat, sores, ulcers, white spots on lips, in mouth, sticking out, tongue, stiffness, limbs, sudden loss, consciousness, swollen glands, tiredness, trouble thinking, speaking, walking, twisting movements, uncontrolled movements, face, neck, back, uncontrolled twisting movements, neck, unpleasant breath odor, unusual bleeding, bruising, unusual tiredness (Encyc), weakness, unusual weak feeling, unusually pale skin, vomiting, blood, weakness, numbness (Encyc), tingling in arms, legs, yellow eyes, skin, symptoms, overdose, clumsiness, unsteadiness, convulsions, seizures, drowsiness (Encyc), severe, dryness, mouth, nose, throat, severe, feeling faint, flushing, redness, face, hallucinations, seeing, hearing, feeling things that are not there, muscle spasms, neck and back, restlessness, shortness of breath, troubled breathing, shuffling walk, tic-like, jerky, movements, head and face, trembling and shaking, hands, trouble in sleeping, side effects may go away during treatment, body adjusts to the medicine, check with my health care professional if, side effects continue, bothersome, drowsiness (Encyc), less common with methdilazine, thickening, mucus, blurred vision (Encyc), any change in vision, burning, stinging, rectum, with rectal suppository, confusion, painful urination, dizziness (Encyc), dryness, mouth, nose, throat, fast heartbeat, feeling faint, increased sensitivity, skin to sun, increased sweating, appetite, nightmares, ringing, buzzing in ears, skin rash (Encyc), unusual excitement, nervousness, restlessness, irritability, incidence not known, blistering, crusting, irritation, itching, reddening, skin, cracked, dry, scaly skin, double vision, false, unusual sense, well being, coordination, nasal stuffiness, nervousness, noisy breathing, relaxed and calm, seeing double, sleepiness, unusual drowsiness (Encyc), sleeplessness, swelling, tightness in chest, trouble sleeping (Encyc), unable to sleep, vomiting, wheezing, other side effects, brand names some commonly used brand names are, anergan 25, anergan 50, antinaus 50, pentazine, phenazine 25, phenazine 50, phencen-50, phenergan, phenergan fortis, phenergan plain, phenerzine, phenoject-50, pro-50, promacot, pro-med 50, promet, prorex-25, prorex-50, prothazine, prothazine plain, shogan, tacaryl, v-gan-25, v-gan-50, panectyl, phenergan,