Medication info
Opalost Tablet (Limaprost Alfa-Dex)

Opalost Tablet (Limaprost Alfa-Dex)

Prescription medicationTablet
Ingredient · strength
Limaprost Alfadex›166.67μg / 1 tablet
Manufacturer / importer
Daewoong Pharmaceutical Co., Ltd.
Appearance
White round tablet
Packaging
84 tablets/box [21 tablets/blister X 4]
Approval status
Active

MFDS item code 201908157 · Approved 2019.11.29 · Insurance code 641607130

Summary

Main use
Improvement of symptoms and walking ability in lumbar spinal canal stenosis, and ischemic symptoms of Buerger's disease
Who uses it
Adults
Adult dosage
For improvement of ischemic symptoms such as ulcers, pain, and coldness due to thromboangiitis obliterans (Buerger's disease), the usual adult dose is 2 tablets orally three times daily. For improvement of subjective symptoms (lower limb pain and numbness) and walking ability due to acquired lumbar spinal canal stenosis (in patients with a normal SLR test and bilateral intermittent claudication), the usual adult dose is 1 tablet orally three times daily. Adjust the dose as appropriate according to age and symptoms.

Ingredients

Manufacturer
Daewoong Pharmaceutical Co., Ltd.

Efficacy & effects

Improvement of symptoms and walking ability in lumbar spinal canal stenosis, and ischemic symptoms of Buerger's disease

  • Ulcers
  • pain
  • cold sensation
  • lower limb pain
  • lower limb numbness
View approved original text

This medication helps improve ischemic symptoms such as ulcers, pain, and cold sensation caused by obstructive thromboangiitis. It is also effective in alleviating pain and numbness in the lower limbs and enhancing walking ability in patients with acquired lumbar spinal stenosis. Due to these benefits, it is used to alleviate symptoms related to blood circulation disorders.

Dosage and Administration

Adult dosage

For improvement of ischemic symptoms such as ulcers, pain, and coldness due to thromboangiitis obliterans (Buerger's disease), the usual adult dose is 2 tablets orally three times daily. For improvement of subjective symptoms (lower limb pain and numbness) and walking ability due to acquired lumbar spinal canal stenosis (in patients with a normal SLR test and bilateral intermittent claudication), the usual adult dose is 1 tablet orally three times daily. Adjust the dose as appropriate according to age and symptoms.

Precautions

This medication should not be used in pregnant women or those who may become pregnant. It contains lactose, so it should not be used in patients with a hereditary problem of lactose intolerance. Patients with a tendency to bleed or those who are taking antiplatelet agents, thrombolytics, or anticoagulants should use this medication with caution. When using this medication, hypersensitivity reactions such as skin rashes or itching may occur, so it should be discontinued immediately if such symptoms arise. Bleeding may rarely occur, so if bleeding symptoms are observed, the medication should be stopped and monitored. Gastrointestinal disorders such as diarrhea, nausea, abdominal discomfort, abdominal pain, loss of appetite, and heartburn may occur, so caution is advised. Liver function abnormalities may occur, so it is advisable to periodically check liver function test results. Rapid heartbeat or, rarely, cyanosis of the extremities or low blood pressure may occur; if such symptoms appear, medical consultation is needed. Symptoms such as headache, facial flushing, dizziness, feeling of heat, fatigue, swelling, breast pain, trembling, excessive hair growth in legs, and anemia may occur. For patients with lumbar spinal canal stenosis, careful observation of symptom changes should guide the decision to continue the use of this medication. The effectiveness of this medication has not been established in severe cases requiring spinal surgery. Safety during pregnancy has not been established, and uterine contraction effects have been reported in animal studies, so it should not be used during pregnancy. Safety in children has not been confirmed, so it is advisable not to use it in children. Elderly patients may have decreased body function; therefore, dosing should be adjusted and used with caution. Administration of a large amount to healthy adults may temporarily lower blood pressure; caution is needed.

Side effects

  • Rash
  • itching
  • bleeding
  • diarrhea
  • nausea
  • abdominal discomfort
  • abdominal pain
  • loss of appetite
  • heartburn
  • vomiting
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  • abdominal bloating
  • elevated AST (GOT)
  • elevated ALT (GPT)
  • palpitations
  • peripheral cyanosis
  • hypotension
  • headache
  • facial flushing
  • dizziness
  • heat sensation
  • general malaise
  • edema
  • breast engorgement
  • tremor
  • hirsutism
  • anemia

Not everyone experiences these, and they can vary from person to person.

Storage

This medication is susceptible to air and moisture, so it must be stored in a tightly sealed container. It is important to maintain storage temperatures between 1 to 30 degrees Celsius. Proper storage will help maintain the medication's efficacy for a longer period.

Appearance and packaging

Appearance

White round tablet

Package unit

84 tablets/box [21 tablets/blister X 4]

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.