The dose of a drug and dosage of the drug are two different terminologies. Dose is defined as the quantity or amount of medicine given by the doctor or taken by the patient at a given period. Dosage is the regimen prescribed by the doctor about how many days and how many times per day the drug is to be taken in specified dose by the patient. The dose is expressed in mg for tablets or gm, micro gm sometimes, ml for syrups or drops for kids syrups. The dose is not fixed for a drug for all conditions, and it changes according to the condition or a disease. It also changes on the age of the patient.
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Losaprol Delayed-Release Capsules should be taken before eating. In the clinical trials, antacids were used concomitantly with Losaprol.
Patients should be informed that the Losaprol Delayed-Release Capsule should be swallowed whole.
For patients unable to swallow an intact capsule, alternative administration options are available.
Short-Term Treatment Of Active Duodenal Ulcer
The recommended adult oral dose of Losaprol is 20 mg once daily. Most patients heal within four weeks. Some patients may require an additional four weeks of therapy.
H. pylori Eradication For The Reduction Of The Risk Of Duodenal Ulcer Recurrence
The recommended adult oral regimen is Losaprol 20 mg plus clarithromycin 500 mg plus amoxicillin 1000 mg each given twice daily for 10 days. In patients with an ulcer present at the time of initiation of therapy, an additional 18 days of Losaprol 20 mg once daily is recommended for ulcer healing and symptom relief.
Dual Therapy (Losaprol/clarithromycin)
The recommended adult oral regimen is Losaprol 40 mg once daily plus clarithromycin 500 mg three times daily for 14 days. In patients with an ulcer present at the time of initiation of therapy, an additional 14 days of Losaprol 20 mg once daily is recommended for ulcer healing and symptom relief.
Gastric Ulcer
The recommended adult oral dose is 40 mg once daily for 4-8 weeks.
Gastroesophageal Reflux Disease (GERD)
The recommended adult oral dose for the treatment of patients with symptomatic GERD and no esophageal lesions is 20 mg daily for up to 4 weeks. The recommended adult oral dose for the treatment of patients with erosive esophagitis and accompanying symptoms due to GERD is 20 mg daily for 4 to 8 weeks.
Maintenance Of Healing Of Erosive Esophagitis
The recommended adult oral dose is 20 mg daily. Controlled studies do not extend beyond 12 months.
Pathological Hypersecretory Conditions
The dosage of Losaprol in patients with pathological hypersecretory conditions varies with the individual patient. The recommended adult oral starting dose is 60 mg once daily. Doses should be adjusted to individual patient needs and should continue for as long as clinically indicated. Doses up to 120 mg three times daily have been administered. Daily dosages of greater than 80 mg should be administered in divided doses. Some patients with Zollinger-Ellison syndrome have been treated continuously with Losaprol for more than 5 years.
Pediatric Patients
For the treatment of GERD and maintenance of healing of erosive esophagitis, the recommended daily dose for pediatric patients 1 to 16 years of age is as follows:
Patient Weight
Losaprol Daily Dose
5 < 10 kg
5 mg
10 < 20 kg
10 mg
≥ 20 kg
20 mg
On a per kg basis, the doses of Losaprol required to heal erosive esophagitis in pediatric patients are greater than those for adults.
Alternative administrative options can be used for pediatric patients unable to swallow an intact capsule.
Alternative Administration Options
Losaprol is available as a delayed-release capsule or as a delayed-release oral suspension.
For patients who have difficulty swallowing capsules, the contents of a Losaprol Delayed-Release Capsule can be added to applesauce.
One tablespoon of applesauce should be added to an empty bowl and the capsule should be opened. All of the pellets inside the capsule should be carefully emptied on the applesauce. The pellets should be mixed with the applesauce and then swallowed immediately with a glass of cool water to ensure complete swallowing of the pellets. The applesauce used should not be hot and should be soft enough to be swallowed without chewing. The pellets should not be chewed or crushed. The pellets/applesauce mixture should not be stored for future use.
Losaprol For Delayed-Release
Oral Suspension should be administered as follows:
Empty the contents of a 2.5 mg packet into a container containing 5 mL of water.
Empty the contents of a 10 mg packet into a container containing 15 mL of water.
Stir
Leave 2 to 3 minutes to thicken.
Stir and drink within 30 minutes.
If any material remains after drinking, add more water, stir and drink immediately.
For patients with a nasogastric or gastric tube in place:
Add 5 mL of water to a catheter tipped syringe and then add the contents of a 2.5 mg packet (or 15 mL of water for the 10 mg packet). It is important to only use a catheter tipped syringe when administering Losaprol through a nasogastric tube or gastric tube.
Immediately shake the syringe and leave 2 to 3 minutes to thicken.
Shake the syringe and inject through the nasogastric or gastric tube, French size 6 or larger, into the stomach within 30 minutes.
Refill the syringe with an equal amount of water.
Shake and flush any remaining contents from the nasogastric or gastric tube into the stomach.
How supplied
Dosage Forms And Strengths
Losaprol Delayed-Release Capsules, 10 mg, are opaque, hard gelatin, apricot and amethyst colored capsules, coded 606 on cap and Losaprol 10 on the body.
Losaprol Delayed-Release Capsules, 20 mg, are opaque, hard gelatin, amethyst colored capsules, coded 742 on cap and Losaprol 20 on the body.
Losaprol Delayed-Release Capsules, 40 mg, are opaque, hard gelatin, apricot and amethyst colored capsules, coded 743 on cap and Losaprol 40 on the body.
Losaprol For Delayed-Release
Oral Suspension, 2.5 mg or 10 mg, is supplied as a unit dose packet containing a fine yellow powder, consisting of white to brownish Losaprol granules and pale yellow inactive granules.
Storage And Handling
Losaprol Delayed-Release Capsules, 10 mg, are opaque, hard gelatin, apricot and amethyst colored capsules, coded 606 on cap and Losaprol 10 on the body. They are supplied as follows:
NDC 0186-0606-31 unit of use bottles of 30
Losaprol Delayed-Release Capsules, 20 mg, are opaque, hard gelatin, amethyst colored capsules, coded 742 on cap and Losaprol 20 on body. They are supplied as follows:
NDC 0186-0742-31 unit of use bottles of 30
NDC 0186-0742-82 bottles of 1000
Losaprol Delayed-Release Capsules, 40 mg, are opaque, hard gelatin, apricot and amethyst colored capsules, coded 743 on cap and Losaprol 40 on the body. They are supplied as follows:
NDC 0186-0743-31 unit of use bottles of 30
NDC 0186-0743-68 bottles of 100
Losaprol For Delayed-Release
Oral Suspension, 2.5 mg or 10 mg
, is supplied as a unit dose packet containing a fine yellow powder, consisting of white to brownish Losaprol granules and pale yellow inactive granules. Losaprol unit dose packets are supplied as follows:
NDC 0186-0625-01 unit dose packages of 30: 2.5 mg packets
NDC 0186-0610-01 unit dose packages of 30: 10 mg packets
Storage
Store Losaprol Delayed-Release Capsules in a tight container protected from light and moisture. Store between 15°C and 30°C (59°F and 86°F).
Store Losaprol For Delayed-Release
Oral Suspension at 25°C (77°F); excursions permitted to 15 – 30°C (59 – 86°F).
AstraZeneca Pharmaceuticals LP Wilmington, DE 19850. Revised December 2014
What other drugs will affect Losaprol?
Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective.
Tell your doctor about all your current medicines. Many drugs can affect Losaprol + SyrSpend SF Alka, especially:
clopidogrel;
methotrexate;
St. John's wort; or
an antibiotic--amoxicillin, clarithromycin, rifampin.
This list is not complete and many other drugs may affect Losaprol + SyrSpend SF Alka. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
See also:
Drug Interactions (in more detail)
Losaprol interactions
Interactions are the effects that happen when the drug is taken along with the food or when taken with other medications. Suppose if you are taking a drug Losaprol, it may have interactions with specific foods and specific medications. It will not interact with all foods and medications. The interactions vary from drug to drug. You need to be aware of interactions of the medicine you take. Most medications may interact with alcohol, tobacco, so be cautious.
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Effects of Losaprol on the Pharmacokinetics of Other Drugs: The following combination with Losaprol should be avoided: Ketoconazole and itraconazole.
Losaprol might influence the absorption of other drugs due to its effect on the gastric pH. The dissolution of ketoconazole tablets in the stomach is adversely affected if the pH of the gastric juice increases as a result of drug treatment (antacids, secretion-inhibiting agents, sucralfate). This leads to ineffective plasma concentrations of ketoconazole. During concomitant administration of Losaprol and itraconazole, the plasma concentration and area under the curve (AUC) of itraconazole are reduced by approximately 65%, probably as a result of poorer absorption, which is dependent on pH.
Losaprol inhibits the enzyme CYP2C19 and therefore, increased plasma levels of other drugs (diazepam, warfarin, phenytoin) metabolized via this enzyme might be expected. Monitoring is recommended during initiation or withdrawal of Losaprol in patients being treated with phenytoin, warfarin or other vitamin K antagonist.
During concomitant administration of clarithromycin or erythromycin and Losaprol, the plasma concentrations of Losaprol were increased. The plasma concentrations of Losaprol are not influenced during concomitant administration with amoxicillin or metronidazole.
Concomitant administration of Losaprol (40 mg once daily) and atazanavir 300 mg/ritonavir 100 mg to healthy volunteers resulted in a marked reduction in total atazanavir exposure (approximately 75% reduction of AUC, Cmax and Cmin). An increase in the atazanavir dose to 400 mg did not compensate for the effect that Losaprol had on atazanavir exposure. Proton pump inhibitors including Losaprol should therefore not be administered concomitantly with atazanavir.
Concomitant administration of Losaprol and tacrolimus may increase the serum levels of tacrolimus. Monitoring of the plasma tacrolimus concentration is recommended when treatment with Losaprol is being initiated or discontinued. Losaprol (40 mg daily) increased the Cmax and AUC of voriconazole (CYP2C19 substrate) by 15% and 41%, respectively.
Effects of Other Drugs on the Pharmacokinetics of Losaprol: Drugs inhibiting the enzymes CYP2C19 or CYP3A (HIV protease inhibitors, ketoconazole, itraconazole) might increase the plasma concentrations of Losaprol. Voriconazole increases the AUC of Losaprol by 280%. In cases of concomitant treatment, an adjustment of the Losaprol dose should be considered for patients with considerable impaired hepatic function and in cases of long-term treatment.
Case reports, published population pharmacokinetic studies and retrospective analyses suggest that concomitant administration of PPIs and methotrexate (primarily at high doses) may elevate and prolong serum levels of methotrexate and/or its metabolite hydroxymethotrexate. However, no formal drug interaction studies of methotrexate with PPIs have been conducted.
No interactions between Losaprol and antacids, theophylline, caffeine, quinidine, lidocaine, propranolol, metoprolol or ethanol have been detected.
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References
DailyMed. "OMEPRAZOLE MAGNESIUM: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". https://dailymed.nlm.nih.gov/dailyme... (accessed September 17, 2018).
European Chemicals Agency - ECHA. "(S)- sodium 5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}benzimidazol-1-ide: The information provided here is aggregated from the "Notified classification and labelling" from ECHA's C&L Inventory. ". https://echa.europa.eu/information-o... (accessed September 17, 2018).
Reviews
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