Take this medication by mouth as directed by your doctor, with or without food, usually every 4-6 hours as needed. Make no mistake about it: Phenergan can be dangerous. Maximum daily dose 25 mg. Visit cvs.com for more details Promethazine HCl Injection prescription and dosage sizes information for physicians and healthcare professionals. Each dosage strength also contains the following: 12.5 mg−FD&C Yellow 6 and saccharin sodium;. Adult Dosing. A dosage of 0.25 to 1 mg/kg/dose IM or IV (Max: 25 mg/dose) has been recommended for other. The recommended dose of Phenergan for treating allergies is 25 mg before bedtime. Dosage forms: TAB: 12.5 mg, 25 mg, 50 mg; SOL: 6.25 mg per 5 mL; INJ: 25 mg per mL, 50 mg per mL allergic conditions [6.25-25 mg PO tid-qid prn] Alt: 6.25-25 mg IM/IV tid-qid prn; Max: 100 mg/day; Info: give before meals and bedtime; may give second IM/IV dose 2h after first dose; Info: IM preferred over IV. Sometimes a higher amount is needed, but the risks increase. The recommended dose for the treatment of morning sickness is 25 mg twice daily Promethazine HCl Tablets prescription and dosage sizes information for physicians and healthcare professionals. This medicine can cause unusual results with certain medical tests For motion sickness, the first dose of promethazine should be taken 30 to 60 minutes phenergan dose before beginning travel. Pharmacology, adverse reactions, warnings and side effects Before using Phenergan Cream, inform your doctor about your current list of medications, over the counter products (e.g. Warning | Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage WARNING: Promethazine should not be used in children younger than 2 years because it may cause serious (possibly fatal) slow/shallow breathing.When using this medication in children 2 years and older, the lowest effective. For allergies , this medication may be taken once daily at bedtime to avoid being. The only commercially available forms in the U.S. Postmarketing cases of respiratory depression, including fatalities reported with use of promethazine in pediatric patients; children may be particularly sensitive to additive respiratory depressant effects when promethazine is. Call your doctor if your symptoms do not improve, or if they get worse while using Phenergan. Promethazine HCl is a racemic compound; the empirical formula is C 17 H. Onset: 20 min. If you're taking liquid promethazine, follow the instructions that come with the medicine for how much to take. For example, the lowest effective dosage should be used, and children should not take it with any other medications that can cause breathing problems, such as opiates Promethazine is a phenothiazine in the same drug class as chlorpromazine and trifluoperazine (Stelazine).However, unlike the other drugs in this class, promethazine is not used as an anti-psychotic. Another option is promethazine 0.25 to 0.5 mg/kg per dose, typically used as adjunct therapy with a triptan or with a triptan … ›. Morning Sickness. Promethazine HCl Rectal Suppositories prescription and dosage sizes information for physicians and healthcare professionals. If you are taking Phenergan Tablets for an allergic condition - take your medicine as soon as you remember, then carry on as before; If you are taking Phenergan Tablets for sedation or sleeping problems - miss that dose and take the next evening’s dose as usual. 10–20 mg 2–3 times a day, alternatively 25 mg once daily, dose to be taken at night, increased if necessary to 25 mg twice daily Promethazine is often taken at bedtime or before meals. When used for surgery, promethazine is usually taken the night before the surgery. Generic promethazine is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower Phenergan (promethazine) is approved for use in children over two years old. Phenergan; Promacot; Descriptions. Promethazine overdose occurs when someone takes too much of this medicine. If you're taking promethazine tablets, your dose depends on why you're taking it: short-term insomnia - you'll usually take 20 to 50mg at night. pregnancy, upcoming surgery, etc.).Some health conditions may make you more susceptible to the side-effects of the drug. Children over 10 years and adults (including elderly) 25 mg as a single dose*. While an exact dosage of parenteral promethazine is not provided by the manufacturer, the FDA-approved product label recommends not exceeding one-half of the recommended adult dosage (12.5 to 25 mg/dose). Warning | Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage WARNING: Promethazine should not be used in children younger than 2 years since it might cause slow/shallow breathing (respiratory depression), which in some cases could be fatal.This problem has occurred even with normal doses in this age.