Conrax Injection (Pridinol Mesylate)
Pridinol Mesylate 2mg
Injections · Prescription medication
Ilsung IS Co., Ltd.
MFDS item code 197200169 · Notified 1972.08.16 · Insurance code 655402051
This product's status changed to Expired on 2025.10.01. It may no longer be sold, so consult a doctor or pharmacist before taking it.
Relief of painful muscle spasms associated with musculoskeletal disorders (e.g., low back pain and neck-shoulder-arm syndrome)
This medication is used for various pain and inflammatory symptoms associated with musculoskeletal disorders, such as painful spasms, lumbar pain, shoulder-arm syndrome, periarticular inflammation, and degenerative spine disease.
Adults: Administer 2 mg of pridinol mesylate once daily by intramuscular or intravenous injection. Adjust the dose appropriately according to age and symptoms.
When using an ampoule made of glass, care must be taken to avoid glass fragments entering the solution, so be very cautious when cutting the injection container. Extra care should be taken when administering to children or the elderly. This medication should not be used in certain patients. For example, individuals allergic to this medication, patients with glaucoma, those with urinary difficulties due to benign prostatic hyperplasia, patients with severe heart disease, intestinal obstruction, megacolon, acute pulmonary edema, rapid heart rate, severe atherosclerosis, and those with narrowed gastrointestinal tract should not receive this medication. Patients with liver or kidney issues should exercise particular caution when using this medication. Using this medication may cause allergic reactions such as skin rashes or hives, and in rare cases, severe allergic shock may occur, so immediate discontinuation is recommended if such symptoms appear. Additionally, dizziness, drowsiness, anxiety, and hallucinations may occur, so reducing or discontinuing the medication is advisable if these symptoms appear. Weakness in muscles or difficulty moving can occur rarely, along with gastrointestinal symptoms such as dry mouth, nausea, or vomiting. Reports of skin redness or reduced sweating, as well as difficulties in focusing or exacerbation of glaucoma, have also been documented. Drowsiness or decreased concentration may occur during the use of this medication, so driving or operating hazardous machinery should be avoided. Furthermore, when taken with certain medications, interactions can occur that may exacerbate side effects, so consultation with a doctor or pharmacist is necessary when using this medication alongside other central nervous system depressants or specific antidepressants and antiviral drugs. Women who are pregnant or potentially pregnant should carefully consider the risks and benefits of using this medication, and it is advisable not to use this drug while breastfeeding as it can be passed into breast milk. For children and the elderly, special attention should be paid due to differing bodily functions, and dosing adjustments may be required. Finally, this medication is only to be used as an injection when oral administration is not possible, and for intravenous injection, it is safe to mix with saline or glucose solution and infuse slowly. It is recommended to position the patient on their side during administration.
Not everyone experiences these, and they can vary from person to person.
This medication is sensitive to light and should be stored in a sealed container that blocks light. The storage temperature should be maintained between 1 to 30 degrees Celsius to preserve the medication's effectiveness and safety over time.
A transparent, colorless solution in a brown ampoule for injection
1mL x 10 ampoules/box
Even with the same ingredient, strength, dosage form and how it is taken can differ.
Pridinol Mesylate 2mg
Injections · Prescription medication
Ilsung IS Co., Ltd.

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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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For anything that needs medical judgment, consult a doctor or pharmacist.
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.