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International generic name
Omeprazole
Drug form and composition
Gelatin capsules. One gelatin capsule contains 20 mg Omeprazole.
Indications
Sopral administration is indicated in cases of duodenal or stomach ulcer; gastroesophageal
reflux disease; peptic ulcers associated with Helicobacter pylori infection, Zollinger-Ellison
syndrome, multiple endocrine adenoma.
Dosage and administration
In duodenal, stomach ulcer and in gastroesophageal reflux, the drug dose is 20
- 40 mg given as a single daily dose for a period of 4 - 8 weeks. In gastritis states
with hypersecretion (Zollinger-Ellison syndrome, multiple endocrine adenoma), generally,
the initial dose is 60 mg once daily taken before meals. If necessary, doses up
to 80 to 120 mg given 2 - 3 times daily can be used for a period of 4 to 8 weeks.
For preventive aims against erosive esophagitis the drug is used in a dose of 20
mg once a day.
Contraindications
Hypersensitivity to the drug.
Special warnings and precautions
In patients with chronic liver diseases or renal failure, the drug should be
used cautiously and in lower doses. In patients with ulcer the possible malignization
of the ulcer must be excluded before the beginning of the treatment with Sopral
(it can mask the symptoms of the malignant disease). Because of the lack of controlled
clinical trials for efficacy and safety in pregnant and breast-feeding women and
children, its use in these patients is not recommended.
Drug interactions
Sopral influences the hepatic metabolism and it can increase the plasma concentration
and prolong the elimination time of diazepam, anticoagulants, and phenytoin. Because
of this their side effects can be potentiated. When used concurrently, Sopral decreases
the resorption of ampicillin, ketoconazole and iron salts.
Adverse reactions
Sopral shows good tolerance, but in some patients the following reaction have
been observed: nausea, vomiting, diarrhea, constipation, headache, dizziness, paresthesia,
and sleep disturbances. Skin rash, hypoglycemia, etc. are observed relatively rarely,
and these reactions most commonly disappear after dose reduction.
Pharmacological mechanisms
Sopral is an antiacid drug. It belongs to the group of the proton pump inhibitors.
This is an enzyme system which participate in the terminal stage of acid secretion.
Its blocking leads to a sharp reduction in the secretion of the hydrogen ions from
the parietal cells of the stomach mucosa. The mechanism of drug action is blocking
the sulfhydryl residues of the enzyme H+/K+ ATP-asa, leading to decrease in basal
and stimulated gastric acid secretion. After a single dose of 20 mg this secretion
is inhibited for approximately 24 hours, and gastrin levels are increased during
the first weeks.
Supplied
28 gelatin capsules of 20 mg (calendar package).
Expiry
3 years
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